About: http://webisa.webdatacommons.org/290984219

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	Once rain comes in contact with a roof or collection surface, it can wash many types of bacteria, molds,algae, protozoa and other contaminants into the cistern or storage tank.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net