@prefix : <https://saref.etsi.org/saref4watr/> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix saref: <https://saref.etsi.org/core/> .
@prefix s4city: <https://saref.etsi.org/saref4city/> .
@prefix vann: <http://purl.org/vocab/vann/> .
@prefix s4syst: <https://saref.etsi.org/saref4syst/> .
@prefix time: <http://www.w3.org/2006/time#> .
@prefix geo: <http://www.opengis.net/ont/geosparql#> .
@prefix sf: <http://www.opengis.net/ont/sf#> .
@prefix schema: <http://schema.org/> .
@prefix s4watr: <https://saref.etsi.org/saref4watr/> .
@base <https://saref.etsi.org/saref4watr/> .

<https://saref.etsi.org/saref4watr/> rdf:type owl:Ontology ;
                                      dcterms:title "SAREF4WATR: an extension of SAREF for the water domain"@en ;
                                      dcterms:description "This ontology extends the SAREF ontology for the water domain. This work has been developed in the context of the STF 566, which was established with the goal to create three SAREF extensions, one of them for the water domain."@en ;
                                      dcterms:publisher <https://www.etsi.org/> ;
                                      dcterms:creator <http://www.garcia-castro.com/foaf.rdf#me> ;
                                      owl:versionIRI <https://saref.etsi.org/saref4watr/v2.1.1/> ;
                                      owl:priorVersion <https://saref.etsi.org/saref4watr/v1.1.1/> ;
                                      owl:versionInfo "v2.1.1" ;
                                      dcterms:modified "2025-04-24"^^xsd:date ;
                                      dcterms:issued "2025-04-25"^^xsd:date ;
                                      dcterms:license <https://forge.etsi.org/etsi-software-license> ;
                                      dcterms:source <https://saref.etsi.org/sources/saref4watr/> ;
                                      rdfs:seeAlso <https://www.etsi.org/deliver/etsi_ts/103400_103499/10341010/02.01.01_60/ts_10341010v020101p.pdf> ;
                                      vann:preferredNamespacePrefix "s4watr" ;
                                      vann:preferredNamespaceUri "https://saref.etsi.org/saref4watr/" ;
                                      owl:imports <https://saref.etsi.org/core/v4.1.1/>, 
                                        <https://saref.etsi.org/saref4syst/v1.1.2/> ,
                                        <https://saref.etsi.org/saref4city/v2.1.1/> .


#################################################################
#    Creator metadata
#################################################################

schema:Person a owl:Class .
schema:Organization a owl:Class .
schema:givenName a owl:DatatypeProperty .
schema:familyName a owl:DatatypeProperty .
schema:affiliation a owl:ObjectProperty .
schema:name a owl:DatatypeProperty .


<http://www.garcia-castro.com/foaf.rdf#me> a schema:Person;
                                           schema:givenName "Raúl" ;
                                           schema:familyName "García-Castro" ;
                                           schema:affiliation  <https://www.upm.es/> .
<https://www.upm.es/> a schema:Organization ;
                      schema:name "Universidad Politécnica de Madrid" .


#################################################################
#    Annotation properties
#################################################################

###  http://purl.org/dc/terms/creator
dcterms:creator rdf:type owl:AnnotationProperty .


###  http://purl.org/dc/terms/description
dcterms:description rdf:type owl:AnnotationProperty .


###  http://purl.org/dc/terms/issued
dcterms:issued rdf:type owl:AnnotationProperty .


###  http://purl.org/dc/terms/license
dcterms:license rdf:type owl:AnnotationProperty .


###  http://purl.org/dc/terms/modified
dcterms:modified rdf:type owl:AnnotationProperty .


###  http://purl.org/dc/terms/publisher
dcterms:publisher rdf:type owl:AnnotationProperty .


###  http://purl.org/dc/terms/source
dcterms:source rdf:type owl:AnnotationProperty .


###  http://purl.org/dc/terms/title
dcterms:title rdf:type owl:AnnotationProperty .


###  http://purl.org/vocab/vann/preferredNamespacePrefix
vann:preferredNamespacePrefix rdf:type owl:AnnotationProperty .


###  http://purl.org/vocab/vann/preferredNamespaceUri
vann:preferredNamespaceUri rdf:type owl:AnnotationProperty .


#################################################################
#    Datatypes
#################################################################

###  http://www.w3.org/2001/XMLSchema#gDay
xsd:gDay rdf:type rdfs:Datatype .


#################################################################
#    Object Properties
#################################################################

###  http://www.opengis.net/ont/geosparql#hasGeometry
geo:hasGeometry rdf:type owl:ObjectProperty ;
                  rdfs:isDefinedBy <http://www.opengis.net/ont/geosparql#> ;
                  rdfs:label "hasGeometry"@en .


###  http://www.opengis.net/ont/geosparql#sfContains
geo:sfContains rdf:type owl:ObjectProperty ;
                 rdfs:isDefinedBy <http://www.opengis.net/ont/geosparql#> ;
                 rdfs:label "sfContains"@en .


###  http://www.opengis.net/ont/geosparql#sfWithin
geo:sfWithin rdf:type owl:ObjectProperty ;
               rdfs:isDefinedBy <http://www.opengis.net/ont/geosparql#> ;
               rdfs:label "sfWithin"@en .


###  https://saref.etsi.org/saref4watr/appliesTo
s4watr:appliesTo rdf:type owl:ObjectProperty ;
                 rdfs:domain s4watr:Tariff ;
                 rdfs:range s4watr:WaterMeter ;
                 rdfs:comment "The water meter to which a tariff applies to."@en ;
                 rdfs:label "applies to"@en .


###  https://saref.etsi.org/saref4watr/forAbsoluteTimeAtDay
s4watr:forAbsoluteTimeAtDay rdf:type owl:ObjectProperty ;
                            rdfs:domain s4watr:TimeBasedTariff ;
                            rdfs:range time:Interval ;
                            rdfs:comment "The time interval in each day for which a tariff is applied (e.g., 8:00 to 10:00)."@en ;
                            rdfs:label "for absolute time at day"@en .


###  https://saref.etsi.org/saref4watr/forWeekDay
s4watr:forWeekDay rdf:type owl:ObjectProperty ;
                  rdfs:domain s4watr:TimeBasedTariff ;
                  rdfs:range time:DayOfWeek ;
                  rdfs:comment "The day of the week for which a tariff is applied (e.g., each Saturday and Sunday)."@en ;
                  rdfs:label "for week day"@en .


###  https://saref.etsi.org/saref4watr/hasBillingPeriod
s4watr:hasBillingPeriod rdf:type owl:ObjectProperty ;
                        rdfs:domain s4watr:Tariff ;
                        rdfs:range time:TemporalDuration ;
                        rdfs:comment "The billing period of a tariff."@en ;
                        rdfs:label "has billing period"@en .


###  https://saref.etsi.org/saref4watr/hasDuration
s4watr:hasDuration rdf:type owl:ObjectProperty ;
                   rdfs:domain s4watr:Tariff ;
                   rdfs:range time:TemporalDuration ;
                   rdfs:comment "The duration of a tariff."@en ;
                   rdfs:label "has duration"@en .


###  https://saref.etsi.org/saref4watr/hasPeriod
s4watr:hasPeriod rdf:type owl:ObjectProperty ;
                 rdfs:domain s4watr:Tariff ;
                 rdfs:range time:TemporalDuration ;
                 rdfs:comment "The period of a tariff."@en ;
                 rdfs:label "has period"@en .


###  https://saref.etsi.org/saref4watr/isDesignedFor
s4watr:isDesignedFor rdf:type owl:ObjectProperty ;
                     rdfs:comment "The type of water for which an infrastructure is designed for."@en ;
                     rdfs:label "is designed for"@en .


###  https://saref.etsi.org/saref4watr/isIntendedFor
s4watr:isIntendedFor rdf:type owl:ObjectProperty ;
                     rdfs:comment "The intended use of the infrastructure."@en ;
                     rdfs:label "is intended for"@en .


#################################################################
#    Data properties
#################################################################

###  https://saref.etsi.org/saref4watr/forDayInMonth
s4watr:forDayInMonth rdf:type owl:DatatypeProperty ;
                     rdfs:domain s4watr:TimeBasedTariff ;
                     rdfs:range xsd:gDay ;
                     rdfs:comment "The day of the month for which a tariff is applied (e.g., each 15)."@en ;
                     rdfs:label "for day in month"@en .


###  https://saref.etsi.org/saref4watr/forFinancialConsumption
s4watr:forFinancialConsumption rdf:type owl:DatatypeProperty ;
                               rdfs:domain s4watr:ConsumptionBasedTariff ;
                               rdfs:comment "The financial consumption related to a tariff (e.g., prepaid tariffs)."@en ;
                               rdfs:label "for financial consumption"@en .


###  https://saref.etsi.org/saref4watr/forVolumeConsumption
s4watr:forVolumeConsumption rdf:type owl:DatatypeProperty ;
                            rdfs:domain s4watr:ConsumptionBasedTariff ;
                            rdfs:comment "The volume consumption related to a tariff (e.g., after consumption of 900 litres)."@en ;
                            rdfs:label "for volume consumption"@en .


###  https://saref.etsi.org/saref4watr/forVolumeFlow
s4watr:forVolumeFlow rdf:type owl:DatatypeProperty ;
                     rdfs:domain s4watr:ThresholdBasedTariff ;
                     rdfs:comment "The volume flow related to a tariff."@en ;
                     rdfs:label "for volume flow"@en .


###  https://saref.etsi.org/saref4watr/hasBillingDate
s4watr:hasBillingDate rdf:type owl:DatatypeProperty ;
                      rdfs:domain s4watr:Tariff ;
                      rdfs:range xsd:dateTime ;
                      rdfs:comment "The billing date of a tariff."@en ;
                      rdfs:label "has billing date"@en .


###  https://saref.etsi.org/saref4watr/hasStartTimestamp
s4watr:hasStartTimestamp rdf:type owl:DatatypeProperty ;
                         rdfs:domain s4watr:Tariff ;
                         rdfs:range xsd:dateTime ;
                         rdfs:comment "The start date and time of a tariff."@en ;
                         rdfs:label "has start timestamp"@en .


###  https://saref.etsi.org/saref4watr/hasFabricationNumber
s4watr:hasFabricationNumber rdf:type owl:DatatypeProperty ;
                            rdfs:subPropertyOf saref:hasIdentifier ;
                            rdfs:range rdfs:Literal ;
                            rdfs:comment "The fabrication number of a device."@en ;
                            rdfs:label "has fabrication number"@en .


###  https://saref.etsi.org/saref4watr/hasFirmwareVersion
s4watr:hasFirmwareVersion rdf:type owl:DatatypeProperty ;
                          rdfs:subPropertyOf saref:hasVersion ;
                          rdfs:range rdfs:Literal ;
                          rdfs:comment "The firmware version of a device."@en ;
                          rdfs:label "has firmware version"@en .


###  https://saref.etsi.org/saref4watr/hasHardwareVersion
s4watr:hasHardwareVersion rdf:type owl:DatatypeProperty ;
                          rdfs:subPropertyOf saref:hasVersion ;
                          rdfs:range rdfs:Literal ;
                          rdfs:comment "The hardware version of a device."@en ;
                          rdfs:label "has hardware version"@en .


###  https://saref.etsi.org/saref4watr/operatesAtRadioFrequency
s4watr:operatesAtRadioFrequency rdf:type owl:DatatypeProperty ;
                                rdfs:comment "The radio frequency at which a device operates."@en ;
                                rdfs:label "operates at radio frequency"@en .


###  https://saref.etsi.org/saref4watr/requiresPower
s4watr:requiresPower rdf:type owl:DatatypeProperty ;
                     rdfs:comment "The power required by a device."@en ;
                     rdfs:label "requires power"@en .


#################################################################
#    Classes
#################################################################

###  http://www.opengis.net/ont/geosparql#Feature
geo:Feature rdf:type owl:Class ;
              rdfs:subClassOf geo:SpatialObject ;
              rdfs:comment "This class represents the top-level feature type. This class is equivalent to GFI_Feature defined in ISO 19156:2011, and it is superclass of all feature types."@en ;
              rdfs:isDefinedBy <http://www.opengis.net/ont/geosparql#> ;
              rdfs:label "Feature"@en .


###  http://www.opengis.net/ont/geosparql#Geometry
geo:Geometry rdf:type owl:Class ;
               rdfs:subClassOf geo:SpatialObject ;
               rdfs:comment "The class represents the top-level geometry type. This class is equivalent to the UML class GM_Object defined in ISO 19107, and it is superclass of all geometry types."@en ;
               rdfs:isDefinedBy <http://www.opengis.net/ont/geosparql#> ;
               rdfs:label "Geometry"@en .


###  http://www.opengis.net/ont/geosparql#SpatialObject
geo:SpatialObject rdf:type owl:Class ;
                    rdfs:isDefinedBy <http://www.opengis.net/ont/geosparql#> ;
                    rdfs:label "Spatial object"@en .


###  http://www.opengis.net/ont/sf#Point
sf:Point rdf:type owl:Class ;
         rdfs:subClassOf geo:Geometry ;
         rdfs:isDefinedBy <http://www.opengis.net/ont/sf#> ;
         rdfs:label "Point"@en .


###  http://www.opengis.net/ont/sf#Polygon
sf:Polygon rdf:type owl:Class ;
           rdfs:subClassOf geo:Geometry ;
           rdfs:isDefinedBy <http://www.opengis.net/ont/sf#> ;
           rdfs:label "Polygon"@en .


###  http://www.w3.org/2006/time#DayOfWeek
time:DayOfWeek rdf:type owl:Class ;
               rdfs:isDefinedBy <http://www.w3.org/2006/time#> .


###  http://www.w3.org/2006/time#Interval
time:Interval rdf:type owl:Class ;
              rdfs:isDefinedBy <http://www.w3.org/2006/time#> .


###  http://www.w3.org/2006/time#TemporalDuration
time:TemporalDuration rdf:type owl:Class ;
                      rdfs:isDefinedBy <http://www.w3.org/2006/time#> .


###  https://saref.etsi.org/saref4watr/AcceptabilityProperty
s4watr:AcceptabilityProperty rdf:type owl:Class ;
                             rdfs:subClassOf s4watr:WaterProperty ;
                             rdfs:comment "An acceptability property is a property of water that is related to its acceptability."@en ;
                             rdfs:label "Acceptability property"@en .


###  https://saref.etsi.org/saref4watr/Aquifer
s4watr:Aquifer rdf:type owl:Class ;
               rdfs:subClassOf s4watr:StorageAsset ;
               rdfs:comment "An aquifer is an underground layer of water-bearing permeable rock, rock fractures or unconsolidated materials."@en ;
               rdfs:label "Aquifer"@en .


###  https://saref.etsi.org/saref4watr/BacterialProperty
s4watr:BacterialProperty rdf:type owl:Class ;
                         rdfs:subClassOf s4watr:MicrobialProperty ;
                         rdfs:comment "A bacterial property is a property of water that is related to bacteria."@en ;
                         rdfs:label "Bacterial property"@en .


###  https://saref.etsi.org/saref4watr/Channel
s4watr:Channel rdf:type owl:Class ;
               rdfs:subClassOf s4watr:Main ;
               rdfs:comment "A channel is a passage of water flowing in an open conduit (i.e., subject to atmospheric pressure)."@en ;
               rdfs:label "Channel"@en .


###  https://saref.etsi.org/saref4watr/ChemicalProperty
s4watr:ChemicalProperty rdf:type owl:Class ;
                        rdfs:subClassOf s4watr:WaterProperty ;
                        rdfs:comment "A chemical property is a property of water that is related to chemical components."@en ;
                        rdfs:label "ChemicalProperty"@en .


###  https://saref.etsi.org/saref4watr/ConsumptionBasedTariff
s4watr:ConsumptionBasedTariff rdf:type owl:Class ;
                              rdfs:subClassOf s4watr:Tariff ;
                              rdfs:comment "A consumption-based tariff is a tariff that is based on consumption."@en ;
                              rdfs:label "Consumption-based tariff"@en .


###  https://saref.etsi.org/saref4watr/DistributionSystem
s4watr:DistributionSystem rdf:type owl:Class ;
                          rdfs:subClassOf s4watr:WaterInfrastructure ;
                          rdfs:comment "A water distribution system is an infrastructure to carry potable water from a centralized treatment plant or wells to water consumers in order to adequately deliver water to satisfy residential, commercial, industrial and fire fighting requirements."@en ;
                          rdfs:label "Distribution system"@en .


###  https://saref.etsi.org/saref4watr/EnvironmentalProperty
s4watr:EnvironmentalProperty rdf:type owl:Class ;
                             rdfs:subClassOf saref:Property ;
                             rdfs:comment "Class to group those properties related to the environment."@en ;
                             rdfs:label "Environmental property"@en .


###  https://saref.etsi.org/saref4watr/Estuary
s4watr:Estuary rdf:type owl:Class ;
               rdfs:subClassOf s4watr:SinkAsset ;
               rdfs:comment "An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea."@en ;
               rdfs:label "Estuary"@en .


###  https://saref.etsi.org/saref4watr/FireHydrant
s4watr:FireHydrant rdf:type owl:Class ;
                   rdfs:subClassOf s4watr:WaterDevice ;
                   rdfs:comment "A fire hydrant is a fitting in a street or other public place with a nozzle by which a fire hose may be attached to a water main."@en ;
                   rdfs:label "Fire hydrant"@en .


###  https://saref.etsi.org/saref4watr/GaugingStation
s4watr:GaugingStation rdf:type owl:Class ;
                      rdfs:subClassOf s4watr:MonitoringInfrastructure ;
                      rdfs:comment "A gauging station is an infrastructure to monitor and test terrestrial bodies of water."@en ;
                      rdfs:label "Gauging station"@en .


###  https://saref.etsi.org/saref4watr/HydroelectricPowerPlant
s4watr:HydroelectricPowerPlant rdf:type owl:Class ;
                               rdfs:subClassOf s4watr:WaterInfrastructure ;
                               rdfs:comment "A hydroelectric power plant is an infrastructure to generate electricity by conversion of the energy of running water."@en ;
                               rdfs:label "Hydroelectric power plant"@en .


###  https://saref.etsi.org/saref4watr/Glacier
s4watr:Glacier rdf:type owl:Class ;
               rdfs:subClassOf s4watr:SourceAsset ;
               rdfs:comment "A glacier is a persistent body of dense ice that is constantly moving under its own weight."@en ;
               rdfs:label "Glacier"@en .


###  https://saref.etsi.org/saref4watr/Intake
s4watr:Intake rdf:type owl:Class ;
              rdfs:subClassOf s4watr:TransportAsset ;
              rdfs:comment "An intake is an installation for obtaining water from a source of supply (river, lake, reservoir, and so on)."@en ;
              rdfs:label "Intake"@en .


###  https://saref.etsi.org/saref4watr/Lagoon
s4watr:Lagoon rdf:type owl:Class ;
              rdfs:subClassOf s4watr:SourceAsset ;
              rdfs:comment "A lagoon is a shallow body of water separated from a larger body of water by barrier islands or reefs."@en ;
              rdfs:label "Lagoon"@en .


###  https://saref.etsi.org/saref4watr/Lake
s4watr:Lake rdf:type owl:Class ;
            rdfs:subClassOf s4watr:SourceAsset ;
            rdfs:comment "A lake is an area filled with water, localized in a basin, surrounded by land, apart from any river or other outlet that serves to feed or drain the lake."@en ;
            rdfs:label "Lake"@en .


###  https://saref.etsi.org/saref4watr/Main
s4watr:Main rdf:type owl:Class ;
            rdfs:subClassOf s4watr:TransportAsset ;
            rdfs:comment "A main is a passage of water to flow through."@en ;
            rdfs:label "Main"@en .


###  https://saref.etsi.org/saref4watr/Manhole
s4watr:Manhole rdf:type owl:Class ;
               rdfs:subClassOf s4watr:TransportAsset ;
               rdfs:comment "A maintenance hole is an enclosure that facilitates human access to and working space for equipment."@en ;
               rdfs:label "Maintenance hole"@en ,
                          "Manhole"@en .


###  https://saref.etsi.org/saref4watr/MicrobialProperty
s4watr:MicrobialProperty rdf:type owl:Class ;
                         rdfs:subClassOf s4watr:WaterProperty ;
                         rdfs:comment "A microbial property is a property of water that is related to microbes."@en ;
                         rdfs:label "Microbial property"@en .


###  https://saref.etsi.org/saref4watr/MonitoringInfrastructure
s4watr:MonitoringInfrastructure rdf:type owl:Class ;
                                rdfs:subClassOf s4watr:WaterInfrastructure ;
                                rdfs:comment "A monitoring infrastructure is an infrastructure to monitor water."@en ;
                                rdfs:label "Monitoring infrastructure"@en .


###  https://saref.etsi.org/saref4watr/Ocean
s4watr:Ocean rdf:type owl:Class ;
             rdfs:subClassOf s4watr:SinkAsset ;
             rdfs:comment "An ocean is a large body of salt water."@en ;
             rdfs:label "Ocean"@en .


###  https://saref.etsi.org/saref4watr/Pipe
s4watr:Pipe rdf:type owl:Class ;
            rdfs:subClassOf s4watr:Main ;
            rdfs:comment "A pipe is a passage of water flowing in a closed conduit (i.e., not subject to atmospheric pressure)."@en ;
            rdfs:label "Pipe"@en .


###  https://saref.etsi.org/saref4watr/Pit
s4watr:Pit rdf:type owl:Class ;
           rdfs:subClassOf s4watr:TransportAsset ;
           rdfs:comment "A pit is a well or hole sunk in the ground to procure, store or drain water."@en ;
           rdfs:label "Pit"@en .


###  https://saref.etsi.org/saref4watr/Pump
s4watr:Pump rdf:type owl:Class ;
            rdfs:subClassOf s4watr:WaterDevice ,
                            saref:Actuator ;
            rdfs:comment "A pump is a device for moving water by mechanical action."@en ;
            rdfs:label "Pump"@en .


###  https://saref.etsi.org/saref4watr/Reservoir
s4watr:Reservoir rdf:type owl:Class ;
                 rdfs:subClassOf s4watr:StorageAsset ;
                 rdfs:comment "A reservoir is an enlarged natural or artificial lake, pond or impoundment created using a dam or lock to store water."@en ;
                 rdfs:label "Reservoir"@en .


###  https://saref.etsi.org/saref4watr/River
s4watr:River rdf:type owl:Class ;
             rdfs:subClassOf s4watr:SinkAsset ;
             rdfs:comment "A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river."@en ;
             rdfs:label "River"@en .


###  https://saref.etsi.org/saref4watr/Sea
s4watr:Sea rdf:type owl:Class ;
           rdfs:subClassOf s4watr:SinkAsset ;
           rdfs:comment "A sea is a body of salt water partly or fully enclosed by land."@en ;
           rdfs:label "Sea"@en .


###  https://saref.etsi.org/saref4watr/SinkAsset
s4watr:SinkAsset rdf:type owl:Class ;
                 rdfs:subClassOf s4watr:WaterAsset ;
                 rdfs:comment "A sink asset is a water asset where water sinks."@en ;
                 rdfs:label "Sink asset"@en .


###  https://saref.etsi.org/saref4watr/SourceAsset
s4watr:SourceAsset rdf:type owl:Class ;
                   rdfs:subClassOf s4watr:WaterAsset ;
                   rdfs:comment "A source asset is a water asset that is a natural source of water."@en ;
                   rdfs:label "Source asset"@en .


###  https://saref.etsi.org/saref4watr/StorageAsset
s4watr:StorageAsset rdf:type owl:Class ;
                    rdfs:subClassOf s4watr:WaterAsset ;
                    rdfs:comment "A storage asset is a water asset used to store water."@en ;
                    rdfs:label "Storage asset"@en .


###  https://saref.etsi.org/saref4watr/StorageInfrastructure
s4watr:StorageInfrastructure rdf:type owl:Class ;
                             rdfs:subClassOf s4watr:WaterInfrastructure ;
                             rdfs:comment "An storage infrastructure is an infrastructure to storage both potable water for consumption, and non potable water for use in agriculture."@en ;
                             rdfs:label "Storage infrastructure"@en .


###  https://saref.etsi.org/saref4watr/Tank
s4watr:Tank rdf:type owl:Class ;
            rdfs:subClassOf s4watr:StorageAsset ;
            rdfs:comment "A tank is a container for storing water."@en ;
            rdfs:label "Tank"@en .


###  https://saref.etsi.org/saref4watr/Tariff
s4watr:Tariff rdf:type owl:Class ;
              rdfs:comment "A tariff is a schedule of rates or charges of a business or a public utility. Tariffs can be based on time, thresholds or consumption; however, combined tariffs may also exist that mix more than one of these types."@en ;
              rdfs:label "Tariff"@en .


###  https://saref.etsi.org/saref4watr/ThresholdBasedTariff
s4watr:ThresholdBasedTariff rdf:type owl:Class ;
                            rdfs:subClassOf s4watr:Tariff ;
                            rdfs:comment "A threshold-based tariff is a tariff that is based on a threshold."@en ;
                            rdfs:label "Threshold-based tariff"@en .


###  https://saref.etsi.org/saref4watr/TimeBasedTariff
s4watr:TimeBasedTariff rdf:type owl:Class ;
                       rdfs:subClassOf s4watr:Tariff ;
                       rdfs:comment "A time-based tariff is a tariff that is based on time."@en ;
                       rdfs:label "Time-based tariff"@en .


###  https://saref.etsi.org/saref4watr/TransportAsset
s4watr:TransportAsset rdf:type owl:Class ;
                      rdfs:subClassOf s4watr:WaterAsset ;
                      rdfs:comment "A transport asset is a water asset used to enable and support the transport and distribution of water."@en ;
                      rdfs:label "Transport asset"@en .


###  https://saref.etsi.org/saref4watr/TreatmentPlant
s4watr:TreatmentPlant rdf:type owl:Class ;
                      rdfs:subClassOf s4watr:WaterInfrastructure ;
                      rdfs:comment "A treatment plant is an infrastructure to improve the quality of water to make it more acceptable for a specific end-use."@en ;
                      rdfs:label "Treatment plant"@en .


###  https://saref.etsi.org/saref4watr/Valve
s4watr:Valve rdf:type owl:Class ;
             rdfs:subClassOf s4watr:WaterDevice ,
                             saref:Actuator ;
             rdfs:comment "A valve is a device designed to control water flow, pressure or volume."@en ;
             rdfs:label "Valve"@en .


###  https://saref.etsi.org/saref4watr/Vent
s4watr:Vent rdf:type owl:Class ;
            rdfs:subClassOf s4watr:TransportAsset ;
            rdfs:comment "A vent is the part of a system that allows air to enter a plumbing system to maintain proper air pressure and sewer gases to escape to the outside."@en ;
            rdfs:label "Vent"@en .


###  https://saref.etsi.org/saref4watr/Water
s4watr:Water rdf:type owl:Class ;
             rdfs:subClassOf saref:FeatureOfInterest ,
                             [ rdf:type owl:Restriction ;
                               owl:onProperty saref:hasProperty ;
                               owl:allValuesFrom s4watr:WaterProperty
                             ] ;
             rdfs:comment "This class is used to define a particular quantity or body of water."@en ;
             rdfs:label "Water"@en .


###  https://saref.etsi.org/saref4watr/WaterAsset
s4watr:WaterAsset rdf:type owl:Class ;
                  rdfs:subClassOf geo:Feature ,
                                  saref:FeatureOfInterest ,
                                  s4syst:System ;     
                  rdfs:comment "A water asset is a physical entity used in the process of transporting, treating, storing and distributing water."@en ;
                  rdfs:label "Water asset"@en .


###  https://saref.etsi.org/saref4watr/WaterDevice
s4watr:WaterDevice rdf:type owl:Class ;
                   rdfs:subClassOf s4watr:WaterAsset ,
                                   saref:Device ;
                   rdfs:comment "A water device is a device that is also a water asset."@en ;
                   rdfs:label "Water device"@en .


###  https://saref.etsi.org/saref4watr/WaterInfrastructure
s4watr:WaterInfrastructure rdf:type owl:Class ;
                           rdfs:subClassOf geo:Feature ,
                                           s4syst:System ,
                                           saref:FeatureOfInterest ,
                                           [ rdf:type owl:Restriction ;
                                             owl:onProperty s4watr:isDesignedFor ;
                                             owl:someValuesFrom s4watr:WaterKind
                                           ] ,
                                           [ rdf:type owl:Restriction ;
                                             owl:onProperty s4watr:isIntendedFor ;
                                             owl:someValuesFrom s4watr:WaterUse
                                           ] ;
                           rdfs:comment "A water infrastructure is the set of facilities, services, and installations needed for water management."@en ;
                           rdfs:label "Water infrastructure"@en .


###  https://saref.etsi.org/saref4watr/WaterKind
s4watr:WaterKind rdf:type owl:Class ;
             rdfs:subClassOf saref:FeatureKind ;
             rdfs:comment "This class is used to define kinds of water features."@en ;
             rdfs:label "Water kind"@en .


###  https://saref.etsi.org/saref4watr/WaterMeter
s4watr:WaterMeter rdf:type owl:Class ;
                  rdfs:subClassOf s4watr:WaterDevice ,
                                  saref:Meter ,
                                  [ rdf:type owl:Restriction ;
                                    owl:onProperty saref:hasProperty ;
                                    owl:allValuesFrom s4watr:WaterMeterProperty
                                  ] ,
                                  [ rdf:type owl:Restriction ;
                                    owl:onProperty s4watr:hasFabricationNumber ;
                                    owl:maxCardinality "1"^^xsd:nonNegativeInteger
                                  ] ,
                                  [ rdf:type owl:Restriction ;
                                    owl:onProperty s4watr:hasFirmwareVersion ;
                                    owl:maxCardinality "1"^^xsd:nonNegativeInteger
                                  ] ,
                                  [ rdf:type owl:Restriction ;
                                    owl:onProperty s4watr:hasHardwareVersion ;
                                    owl:maxCardinality "1"^^xsd:nonNegativeInteger
                                  ] ,
                                  [ rdf:type owl:Restriction ;
                                    owl:onProperty saref:observes ;
                                    owl:someValuesFrom s4watr:WaterFlowProperty
                                  ] ;
                  rdfs:comment "A water meter is an instrument intended to measure continuously, memorize, and display the volume of water passing through the meter."@en ;
                  rdfs:label "Water meter"@en .


###  https://saref.etsi.org/saref4watr/WaterMeterProperty
s4watr:WaterMeterProperty rdf:type owl:Class ;
                          rdfs:subClassOf saref:Property ;
                          rdfs:comment "Class to group those properties related to water meters."@en ;
                          rdfs:label "Water meter property"@en .


###  https://saref.etsi.org/saref4watr/WaterFlowProperty
s4watr:WaterFlowProperty rdf:type owl:Class ;
                          rdfs:subClassOf saref:Property ;
                          rdfs:comment "Class to group those properties related to water flow."@en ;
                          rdfs:label "Water flow property"@en .


###  https://saref.etsi.org/saref4watr/WaterProperty
s4watr:WaterProperty rdf:type owl:Class ;
                     rdfs:subClassOf saref:Property ;
                     rdfs:comment "Class to group those properties related to the water."@en ;
                     rdfs:label "Water property"@en .


###  https://saref.etsi.org/saref4watr/WaterUse
s4watr:WaterUse rdf:type owl:Class ;
                rdfs:comment "This class is used to define the different uses of water."@en ;
                rdfs:label "Water use"@en .


#################################################################
#    Individuals
#################################################################

###  https://saref.etsi.org/saref4watr/Acrylamide
s4watr:Acrylamide rdf:type owl:NamedIndividual ,
                           s4watr:ChemicalProperty ;
                  rdfs:comment "Property of the water indicating its concentration of acrylamide."@en ;
                  rdfs:label "Acrylamide"@en .


###  https://saref.etsi.org/saref4watr/Agriculture
s4watr:Agriculture rdf:type owl:NamedIndividual ,
                            s4watr:WaterUse ;
                   rdfs:comment "Use of water for the farming of plants and livestock."@en ;
                   rdfs:label "Agriculture"@en .


###  https://saref.etsi.org/saref4watr/Aluminium
s4watr:Aluminium rdf:type owl:NamedIndividual ,
                          s4watr:ChemicalProperty ;
                 rdfs:comment "Property of the water indicating its concentration of aluminium."@en ;
                 rdfs:label "Aluminium"@en .


###  https://saref.etsi.org/saref4watr/Ammonium
s4watr:Ammonium rdf:type owl:NamedIndividual ,
                         s4watr:ChemicalProperty ;
                rdfs:comment "Property of the water indicating its concentration of ammonium."@en ;
                rdfs:label "Ammonium"@en .


###  https://saref.etsi.org/saref4watr/Antimony
s4watr:Antimony rdf:type owl:NamedIndividual ,
                         s4watr:ChemicalProperty ;
                rdfs:comment "Property of the water indicating its concentration of antimony."@en ;
                rdfs:label "Antimony"@en .


###  https://saref.etsi.org/saref4watr/Aquaculture
s4watr:Aquaculture rdf:type owl:NamedIndividual ,
                            s4watr:WaterUse ;
                   rdfs:comment "Use of water for the farming of fish, crustaceans, molluscs, aquatic plants, algae, and other organisms."@en ;
                   rdfs:label "Aquaculture"@en .


###  https://saref.etsi.org/saref4watr/AtmosphericPressure
s4watr:AtmosphericPressure rdf:type owl:NamedIndividual ,
                                    s4watr:EnvironmentalProperty ;
                           rdfs:comment "Property of the environment indicating the atmospheric pressure."@en ;
                           rdfs:label "Atmospheric pressure"@en .


###  https://saref.etsi.org/saref4watr/Arsenic
s4watr:Arsenic rdf:type owl:NamedIndividual ,
                        s4watr:ChemicalProperty ;
               rdfs:comment "Property of the water indicating its concentration of arsenic."@en ;
               rdfs:label "Arsenic"@en .


###  https://saref.etsi.org/saref4watr/BatteryOperatingTime
s4watr:BatteryOperatingTime rdf:type owl:NamedIndividual ,
                                     s4watr:WaterMeterProperty ;
                            rdfs:comment "The time for which the battery has been operating since the last charge."@en ;
                            rdfs:label "Battery operating time"@en .


###  https://saref.etsi.org/saref4watr/BatteryRemainingTime
s4watr:BatteryRemainingTime rdf:type owl:NamedIndividual ,
                                     s4watr:WaterMeterProperty ;
                            rdfs:comment "The time until the battery is discharged."@en ;
                            rdfs:label "Battery remaining time"@en .


###  https://saref.etsi.org/saref4watr/BatteryLastChange
s4watr:BatteryLastChange rdf:type owl:NamedIndividual ,
                                  s4watr:WaterMeterProperty ;
                         rdfs:comment "The time in which the battery was last changed."@en ;
                         rdfs:label "Battery last change"@en .


###  https://saref.etsi.org/saref4watr/Benzene
s4watr:Benzene rdf:type owl:NamedIndividual ,
                        s4watr:ChemicalProperty ;
               rdfs:comment "Property of the water indicating its concentration of benzene."@en ;
               rdfs:label "Benzene"@en .


###  https://saref.etsi.org/saref4watr/Benzoapyrene
s4watr:Benzoapyrene rdf:type owl:NamedIndividual ,
                             s4watr:ChemicalProperty ;
                    rdfs:comment "Property of the water indicating its concentration of benzo(a)pyrene."@en ;
                    rdfs:label "Benzo(a)pyrene"@en .


###  https://saref.etsi.org/saref4watr/Boron
s4watr:Boron rdf:type owl:NamedIndividual ,
                      s4watr:ChemicalProperty ;
             rdfs:comment "Property of the water indicating its concentration of boron."@en ;
             rdfs:label "Boron"@en .


###  https://saref.etsi.org/saref4watr/Bromate
s4watr:Bromate rdf:type owl:NamedIndividual ,
                        s4watr:ChemicalProperty ;
               rdfs:comment "Property of the water indicating its concentration of bromate."@en ;
               rdfs:label "Bromate"@en .


###  https://saref.etsi.org/saref4watr/Cadmium
s4watr:Cadmium rdf:type owl:NamedIndividual ,
                        s4watr:ChemicalProperty ;
               rdfs:comment "Property of the water indicating its concentration of cadmium."@en ;
               rdfs:label "Cadmium"@en .


###  https://saref.etsi.org/saref4watr/Chloride
s4watr:Chloride rdf:type owl:NamedIndividual ,
                         s4watr:ChemicalProperty ;
                rdfs:comment "Property of the water indicating its concentration of chloride."@en ;
                rdfs:label "Chloride"@en .


###  https://saref.etsi.org/saref4watr/Chromium
s4watr:Chromium rdf:type owl:NamedIndividual ,
                         s4watr:ChemicalProperty ;
                rdfs:comment "Property of the water indicating its concentration of chromium."@en ;
                rdfs:label "Chromium"@en .


###  https://saref.etsi.org/saref4watr/ClostridiumPerfringens
s4watr:ClostridiumPerfringens rdf:type owl:NamedIndividual ,
                                       s4watr:BacterialProperty ;
                              rdfs:comment "Property of the water indicating its concentration of clostridium perfringens."@en ;
                              rdfs:label "Clostridium perfringens"@en .


###  https://saref.etsi.org/saref4watr/ColiformBacteria
s4watr:ColiformBacteria rdf:type owl:NamedIndividual ,
                                 s4watr:BacterialProperty ;
                        rdfs:comment "Property of the water indicating its concentration of coliform bacteria."@en ;
                        rdfs:label "Coliform bacteria"@en .


###  https://saref.etsi.org/saref4watr/ColonyCount22C
s4watr:ColonyCount22C rdf:type owl:NamedIndividual ,
                               s4watr:BacterialProperty ;
                      rdfs:comment "Property of the water indicating its colony count at 22 ºC."@en ;
                      rdfs:label "Colony count at 22 °C"@en .


###  https://saref.etsi.org/saref4watr/ColonyCount37C
s4watr:ColonyCount37C rdf:type owl:NamedIndividual ,
                               s4watr:BacterialProperty ;
                      rdfs:comment "Property of the water indicating its colony count at 37 ºC."@en ;
                      rdfs:label "Colony count at 37 °C"@en .


###  https://saref.etsi.org/saref4watr/Colour
s4watr:Colour rdf:type owl:NamedIndividual ,
                       s4watr:AcceptabilityProperty ;
              rdfs:comment "Property of the water indicating its colour."@en ;
              rdfs:label "Colour"@en .


###  https://saref.etsi.org/saref4watr/Conductivity
s4watr:Conductivity rdf:type owl:NamedIndividual ,
                             s4watr:AcceptabilityProperty ;
                    rdfs:comment "Property of the water indicating its conductivity."@en ;
                    rdfs:label "Conductivity"@en .


###  https://saref.etsi.org/saref4watr/Copper
s4watr:Copper rdf:type owl:NamedIndividual ,
                       s4watr:ChemicalProperty ;
              rdfs:comment "Property of the water indicating its concentration of copper."@en ;
              rdfs:label "Copper"@en .


###  https://saref.etsi.org/saref4watr/Cyanide
s4watr:Cyanide rdf:type owl:NamedIndividual ,
                        s4watr:ChemicalProperty ;
               rdfs:comment "Property of the water indicating its concentration of cyanide."@en ;
               rdfs:label "Cyanide"@en .


###  https://saref.etsi.org/saref4watr/Domestic
s4watr:Domestic rdf:type owl:NamedIndividual ,
                         s4watr:WaterUse ;
                rdfs:comment "Use of water for domestic purposes."@en ;
                rdfs:label "Domestic"@en .


###  https://saref.etsi.org/saref4watr/DrinkingWater
s4watr:DrinkingWater rdf:type owl:NamedIndividual ,
                              s4watr:WaterKind ;
                     rdfs:comment "Drinking water is water that is treated to comply with drinking water standards."@en ;
                     rdfs:label "Drinking water"@en ,
                                "Potable water"@en .


###  https://saref.etsi.org/saref4watr/Enterococci
s4watr:Enterococci rdf:type owl:NamedIndividual ,
                            s4watr:BacterialProperty ;
                   rdfs:comment "Property of the water indicating its concentration of enterococci."@en ;
                   rdfs:label "Enterococci"@en .


###  https://saref.etsi.org/saref4watr/Epichlorohydrin
s4watr:Epichlorohydrin rdf:type owl:NamedIndividual ,
                                s4watr:ChemicalProperty ;
                       rdfs:comment "Property of the water indicating its concentration of epichlorohydrin."@en ;
                       rdfs:label "Epichlorohydrin"@en .


###  https://saref.etsi.org/saref4watr/EscherichiaColi
s4watr:EscherichiaColi rdf:type owl:NamedIndividual ,
                                s4watr:BacterialProperty ;
                       rdfs:comment "Property of the water indicating its concentration of escherichia coli."@en ;
                       rdfs:label "E. coli"@en ,
                                  "Escherichia coli"@en .


###  https://saref.etsi.org/saref4watr/ExternalTemperature
s4watr:ExternalTemperature rdf:type owl:NamedIndividual ,
                                    s4watr:EnvironmentalProperty ;
                           rdfs:comment "Property of the environment indicating the temperature."@en ;
                           rdfs:label "External temperature"@en .


###  https://saref.etsi.org/saref4watr/FlowPressure
s4watr:FlowPressure rdf:type owl:NamedIndividual ,
                         s4watr:WaterFlowProperty ;
                    rdfs:comment "Property indicating the pressure of a water flow."@en ;
                    rdfs:label "Flow pressure"@en .


###  https://saref.etsi.org/saref4watr/FlowRate
s4watr:FlowRate rdf:type owl:NamedIndividual ,
                         s4watr:WaterFlowProperty ;
                rdfs:comment "Property indicating the rate of a water flow."@en ;
            	rdfs:label "Flow rate"@en .


###  https://saref.etsi.org/saref4watr/FlowTemperature
s4watr:FlowTemperature rdf:type owl:NamedIndividual ,
                                s4watr:WaterFlowProperty ;
                       rdfs:comment "Property indicating the temperature of a water flow."@en ;
                       rdfs:label "Flow temperature"@en .


###  https://saref.etsi.org/saref4watr/FlowVolume
s4watr:FlowVolume rdf:type owl:NamedIndividual ,
                       s4watr:WaterFlowProperty ;
                  rdfs:comment "Property indicating the volume of a water flow."@en ;
                  rdfs:label "Flow volume"@en .


###  https://saref.etsi.org/saref4watr/Fluoride
s4watr:Fluoride rdf:type owl:NamedIndividual ,
                         s4watr:ChemicalProperty ;
                rdfs:comment "Property of the water indicating its concentration of fluoride."@en ;
                rdfs:label "Fluoride"@en .


###  https://saref.etsi.org/saref4watr/Hardness
s4watr:Hardness rdf:type owl:NamedIndividual ,
                         s4watr:AcceptabilityProperty ;
                rdfs:comment "Property of the water indicating its hardness."@en ;
                rdfs:label "Hardness"@en .


###  https://saref.etsi.org/saref4watr/Humidity
s4watr:Humidity rdf:type owl:NamedIndividual ,
                         s4watr:EnvironmentalProperty ;
                rdfs:comment "Property of the environment indicating the humidity."@en ;
                rdfs:label "Humidity"@en .


###  https://saref.etsi.org/saref4watr/HydrogenIonConcentration
s4watr:HydrogenIonConcentration rdf:type owl:NamedIndividual ,
                                         s4watr:AcceptabilityProperty ;
                                rdfs:comment "Property of the water indicating its hydrogen ion concentration."@en ;
                                rdfs:label "Hydrogen ion concentration"@en ,
                                           "pH"@en .


###  https://saref.etsi.org/saref4watr/Industry
s4watr:Industry rdf:type owl:NamedIndividual ,
                         s4watr:WaterUse ;
                rdfs:comment "Use of water for industrial purposes."@en ;
                rdfs:label "Industry"@en .


###  https://saref.etsi.org/saref4watr/Iron
s4watr:Iron rdf:type owl:NamedIndividual ,
                     s4watr:ChemicalProperty ;
            rdfs:comment "Property of the water indicating its concentration of iron."@en ;
            rdfs:label "Iron"@en .


###  https://saref.etsi.org/saref4watr/Lead
s4watr:Lead rdf:type owl:NamedIndividual ,
                     s4watr:ChemicalProperty ;
            rdfs:comment "Property of the water indicating its concentration of lead."@en ;
            rdfs:label "Lead"@en .


###  https://saref.etsi.org/saref4watr/Manganese
s4watr:Manganese rdf:type owl:NamedIndividual ,
                          s4watr:ChemicalProperty ;
                 rdfs:comment "Property of the water indicating its concentration of manganese."@en ;
                 rdfs:label "Manganese"@en .


###  https://saref.etsi.org/saref4watr/Mercury
s4watr:Mercury rdf:type owl:NamedIndividual ,
                        s4watr:ChemicalProperty ;
               rdfs:comment "Property of the water indicating its concentration of mercury."@en ;
               rdfs:label "Mercury"@en .


###  https://saref.etsi.org/saref4watr/MeterOnTime
s4watr:MeterOnTime rdf:type owl:NamedIndividual ,
                            s4watr:WaterMeterProperty ;
                   rdfs:comment "The duration of the meter power up."@en ;
                   rdfs:label "Meter on time"@en .


###  https://saref.etsi.org/saref4watr/MeterOperatingTime
s4watr:MeterOperatingTime rdf:type owl:NamedIndividual ,
                                   s4watr:WaterMeterProperty ;
                          rdfs:comment "The time for which the meter has been operating."@en ;
                          rdfs:label "Meter operating time"@en .


###  https://saref.etsi.org/saref4watr/Nickel
s4watr:Nickel rdf:type owl:NamedIndividual ,
                       s4watr:ChemicalProperty ;
              rdfs:comment "Property of the water indicating its concentration of nickel."@en ;
              rdfs:label "Nickel"@en .


###  https://saref.etsi.org/saref4watr/Nitrate
s4watr:Nitrate rdf:type owl:NamedIndividual ,
                        s4watr:ChemicalProperty ;
               rdfs:comment "Property of the water indicating its concentration of nitrate."@en ;
               rdfs:label "Nitrate"@en .


###  https://saref.etsi.org/saref4watr/Nitrite
s4watr:Nitrite rdf:type owl:NamedIndividual ,
                        s4watr:ChemicalProperty ;
               rdfs:comment "Property of the water indicating its concentration of nitrite."@en ;
               rdfs:label "Nitrite"@en .


###  https://saref.etsi.org/saref4watr/Odour
s4watr:Odour rdf:type owl:NamedIndividual ,
                      s4watr:AcceptabilityProperty ;
             rdfs:comment "Property of the water indicating its odour."@en ;
             rdfs:label "Odour"@en .


###  https://saref.etsi.org/saref4watr/Oxidisability
s4watr:Oxidisability rdf:type owl:NamedIndividual ,
                              s4watr:AcceptabilityProperty ;
                     rdfs:comment "Property of the water indicating its oxidisability."@en ;
                     rdfs:label "Oxidisability"@en .


###  https://saref.etsi.org/saref4watr/Oxygen
s4watr:Oxygen rdf:type owl:NamedIndividual ,
                       s4watr:ChemicalProperty ;
              rdfs:comment "Property of the water indicating its oxygen saturation."@en ;
              rdfs:label "Oxygen"@en ,
                         "Oxygen saturation"@en ,
                         "Dissolved oxygen"@en .


###  https://saref.etsi.org/saref4watr/PolycyclicAromaticHydrocarbons
s4watr:PolycyclicAromaticHydrocarbons rdf:type owl:NamedIndividual ,
                                               s4watr:ChemicalProperty ;
                                      rdfs:comment "Property of the water indicating its concentration of polycyclic aromatic hydrocarbons."@en ;
                                      rdfs:label "Polycyclic aromatic hydrocarbons"@en .


###  https://saref.etsi.org/saref4watr/Precipitation
s4watr:Precipitation rdf:type owl:NamedIndividual ,
                              s4watr:EnvironmentalProperty ;
                     rdfs:comment "Property of the environment indicating the precipitation."@en ;
                     rdfs:label "Precipitation"@en .


###  https://saref.etsi.org/saref4watr/PseudomonasAeruginosa
s4watr:PseudomonasAeruginosa rdf:type owl:NamedIndividual ,
                                      s4watr:BacterialProperty ;
                             rdfs:comment "Property of the water indicating its concentration of pseudomonas aeruginosa."@en ;
                             rdfs:label "Pseudomonas aeruginosa"@en .


###  https://saref.etsi.org/saref4watr/RawWater
s4watr:RawWater rdf:type owl:NamedIndividual ,
                         s4watr:WaterKind ;
                rdfs:comment "Raw water is water found in the environment that has not been treated and does not have any of its minerals, ions, particles, bacteria, or parasites removed."@en ;
                rdfs:label "Raw water"@en .


###  https://saref.etsi.org/saref4watr/Recreation
s4watr:Recreation rdf:type owl:NamedIndividual ,
                           s4watr:WaterUse ;
                  rdfs:comment "Use of water for recreational purposes."@en ;
                  rdfs:label "Recreation"@en .


###  https://saref.etsi.org/saref4watr/Selenium
s4watr:Selenium rdf:type owl:NamedIndividual ,
                         s4watr:ChemicalProperty ;
                rdfs:comment "Property of the water indicating its concentration of selenium."@en ;
                rdfs:label "Selenium"@en .


###  https://saref.etsi.org/saref4watr/Sodium
s4watr:Sodium rdf:type owl:NamedIndividual ,
                       s4watr:ChemicalProperty ;
              rdfs:comment "Property of the water indicating its concentration of sodium."@en ;
              rdfs:label "Sodium"@en .


###  https://saref.etsi.org/saref4watr/Stormwater
s4watr:Stormwater rdf:type owl:NamedIndividual ,
                           s4watr:WaterKind ;
                  rdfs:comment "Stormwater is water that originates during precipitation events and snow/ice melt."@en ;
                  rdfs:label "Storm water"@en .


###  https://saref.etsi.org/saref4watr/Sulphate
s4watr:Sulphate rdf:type owl:NamedIndividual ,
                         s4watr:ChemicalProperty ;
                rdfs:comment "Property of the water indicating its concentration of sulphate."@en ;
                rdfs:label "Sulphate"@en .


###  https://saref.etsi.org/saref4watr/Taste
s4watr:Taste rdf:type owl:NamedIndividual ,
                      s4watr:AcceptabilityProperty ;
             rdfs:comment "Property of the water indicating its taste."@en ;
             rdfs:label "Taste"@en .


###  https://saref.etsi.org/saref4watr/Temperature
s4watr:Temperature rdf:type owl:NamedIndividual ,
                            s4watr:AcceptabilityProperty ;
                   rdfs:comment "Property of the water indicating its temperature."@en ;
                   rdfs:label "Temperature"@en .


###  https://saref.etsi.org/saref4watr/Tetrachloroethene
s4watr:Tetrachloroethene rdf:type owl:NamedIndividual ,
                                  s4watr:ChemicalProperty ;
                         rdfs:comment "Property of the water indicating its concentration of tetrachloroethene."@en ;
                         rdfs:label "Tetrachloroethene"@en .


###  https://saref.etsi.org/saref4watr/TotalIndicativeDose
s4watr:TotalIndicativeDose rdf:type owl:NamedIndividual ,
                                    s4watr:AcceptabilityProperty ;
                           rdfs:comment "Property of the water indicating its total indicative dose."@en ;
                           rdfs:label "Total indicative dose"@en .


###  https://saref.etsi.org/saref4watr/TotalDissolvedSolids
s4watr:TotalDissolvedSolids rdf:type owl:NamedIndividual ,
                                     s4watr:AcceptabilityProperty ;
                            rdfs:comment "Property of the water indicating the dissolved combined content of all inorganic and organic substances present in a sample of water."@en ;
                            rdfs:label "Total dissolved solids"@en .


###  https://saref.etsi.org/saref4watr/TotalOrganicCarbon
s4watr:TotalOrganicCarbon rdf:type owl:NamedIndividual ,
                                   s4watr:ChemicalProperty ;
                          rdfs:comment "Property of the water indicating its concentration of total organic carbon."@en ;
                          rdfs:label "TOC"@en ,
                                     "Total organic carbon"@en .


###  https://saref.etsi.org/saref4watr/TotalSuspendedSolids
s4watr:TotalSuspendedSolids rdf:type owl:NamedIndividual ,
                                     s4watr:AcceptabilityProperty ;
                            rdfs:comment "Property of the water indicating the dry-weight of suspended particles, that are not dissolved, in a sample of water."@en ;
                            rdfs:label "Total suspended solids"@en .


###  https://saref.etsi.org/saref4watr/Trichloroethene
s4watr:Trichloroethene rdf:type owl:NamedIndividual ,
                                s4watr:ChemicalProperty ;
                       rdfs:comment "Property of the water indicating its concentration of trichloroethene."@en ;
                       rdfs:label "Trichloroethene"@en .


###  https://saref.etsi.org/saref4watr/Trihalomethanes
s4watr:Trihalomethanes rdf:type owl:NamedIndividual ,
                                s4watr:ChemicalProperty ;
                       rdfs:comment "Property of the water indicating its concentration of trihalomethanes."@en ;
                       rdfs:label "Trihalomethanes"@en .


###  https://saref.etsi.org/saref4watr/Tritium
s4watr:Tritium rdf:type owl:NamedIndividual ,
                        s4watr:ChemicalProperty ;
               rdfs:comment "Property of the water indicating its concentration of tritium."@en ;
               rdfs:label "Tritium"@en .


###  https://saref.etsi.org/saref4watr/Turbidity
s4watr:Turbidity rdf:type owl:NamedIndividual ,
                          s4watr:AcceptabilityProperty ;
                 rdfs:comment "Property of the water indicating its turbidity."@en ;
                 rdfs:label "Turbidity"@en .


###  https://saref.etsi.org/saref4watr/VinylChloride
s4watr:VinylChloride rdf:type owl:NamedIndividual ,
                              s4watr:ChemicalProperty ;
                     rdfs:comment "Property of the water indicating its concentration of vinyl chloride."@en ;
                     rdfs:label "Vinyl chloride"@en .


###  https://saref.etsi.org/saref4watr/Wastewater
s4watr:Wastewater rdf:type owl:NamedIndividual ,
                           s4watr:WaterKind ;
                  rdfs:comment "Wastewater is water that has been used in the home, in a business, or as part of an industrial process."@en ;
                  rdfs:label "Waste water"@en .


###  https://saref.etsi.org/saref4watr/12Dichloroethane
s4watr:12Dichloroethane rdf:type owl:NamedIndividual ,
                                 s4watr:ChemicalProperty ;
                        rdfs:comment "Property of the water indicating its concentration of 1,2-dichloroethane."@en ;
                        rdfs:label "1,2-dichloroethane"@en .