<http://webisa.webdatacommons.org/327105288>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<epa.gov> .
<http://webisa.webdatacommons.org/327105288>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/302690239>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/327105288> .
<http://webisa.webdatacommons.org/327105288>	<http://www.w3.org/ns/prov#value>	"The quality of an ambient water typically varies in response to variations of effluent quality, stream flow, and other factors." .