About: http://webisa.webdatacommons.org/41391731

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	A point source is defined as any discernible confined and discrete conveyance including but not limited to a pipe, ditch, channel, or conduit from which pollutants are or may be discharged.
http://www.w3.org/ns/prov#wasQuotedFrom	fedcenter.gov