About: http://webisa.webdatacommons.org/439561719

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	(8) Contamination: A degradation of the quality of the potable water supply by sewage, industrial fluids, or waste liquids, auxiliary water supply, compounds, or other materials.
http://www.w3.org/ns/prov#wasQuotedFrom	laytoncity.org