About: http://webisa.webdatacommons.org/162704031

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	According to the bureau, the groundwater supply is a complex system composed of electric pumps, chemical feed systems, electronic controls and other equipment that must be operated regularly to identify maintenance needs.
http://www.w3.org/ns/prov#wasQuotedFrom	portlandtribune.com