About: http://webisa.webdatacommons.org/118421463

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	They are not necessarily disease causing but do have a high correlation with the presence of water-born disease causing organisms, such as bacteria, protozoa, amoebas, and other microbes.
http://www.w3.org/ns/prov#wasQuotedFrom	kenyon.edu