About: http://webisa.webdatacommons.org/170912188

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	There are more than 500 volunteer monitoring programs nationwide evaluating the water quality of wetlands, rivers, lakes, estuaries, and other waterbodies.
http://www.w3.org/ns/prov#wasQuotedFrom	epa.gov