About: http://webisa.webdatacommons.org/149297106

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	nitrates A dissolved form of nitrogen found in fertilizers and sewage by-products which may leach into groundwater and other water sources.
http://www.w3.org/ns/prov#wasQuotedFrom	portlandoregon.gov