About: http://webisa.webdatacommons.org/411586227

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	These contaminants may include chemicals like pesticides, heavy metals such as copper and lead, human and animal waste, and even disinfectant-products introduced during water treatment.
http://www.w3.org/ns/prov#wasQuotedFrom	seniorresource.com