Sanitary Sewer Wastewater Collection

The City of Greenfield currently operates a sanitary sewer wastewater collection system under the authority of Wisconsin Department of Natural Resources Permit WPDES WI-0047341-05-0.  

Greenfield’s sanitary sewer wastewater collection systems is considered a satellite system of the Milwaukee Metropolitan Sewerage District (MMSD) system. Greenfield’s sanitary sewer wastewater flow connect to the MMSD Metropolitan Interceptor Sewer (MIS) system through several connection points around the City.  Once Greenfield flows are conveyed to the MMSD MIS, they are then conveyed to an MMSD treatment facility for wastewater processing.