The Metropolitan Wastewater Management Commission (MWMC) is the governing body that manages the metropolitan regional wastewater treatment facilities serving Eugene, Springfield and surrounding areas. The MWMC is made up of seven Commissioners: The City of Eugene appoints three members, the City of Springfield two members and Lane County two members. One appointee from each jurisdiction is an elected official, the others are lay representatives. The meetings of the Commission are held once per month, and are open to the public.

For more than 25 years, the MWMC has successfully operated and maintained the regional wastewater treatment facilities, which include: the Water Pollution Control Facility (regional treatment plant), the Biosolids Management Facility, Biocycle Farm, and more than 800 miles of sewer lines and 50 pump stations.