City of Peoria -

http://www.ci.peoria.il.us/

County of Peoria - 

http://www.co.peoria.il.us/

Illinois Association of Wastewater Agencies (IAWA) - 

http://www.ilwastewater.org/

National Association of Clean Water Agencies-

http://www.nacwa.org/

Water Enviroment Federation (WEF)-

JULIE, Call before you dig.-

http://www.illinois1call.com/

Peoria GIS Consortium

http://www.peoriagis.com/

Illinois American Water

http://www.amwater.com/ilaw