About: http://webisa.webdatacommons.org/339757610

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 private water system may have additional treatment units to manage contaminants such as bacteria and nitrate, or nuisance problems such as hardness, iron, sediment, or odor.
http://www.w3.org/ns/prov#wasQuotedFrom	unl.edu