About the Milwaukee Water Works

The Milwaukee Water Works is a national leader in providing high quality, healthful drinking water and comprehensive water quality monitoring. The water works is the publicly owned utility of the City of Milwaukee; policy is set by the Mayor and Common Council. The utility is regulated by the Environmental Protection Agency (EPA) and the Wisconsin Department of Natural Resources (DNR) for facilities, operations, and water quality; and the Public Service Commission of Wisconsin (PSC), for rates and accounting. 

Sustainability Practices

Milwaukee is enriched with an abundant water resource in Lake Michigan. Water treated and used is returned to the lake. The Milwaukee Water Works practices environmental stewardship, reducing its energy, carbon, and water footprints to use water wisely and conserve energy resources. 

Regional Provider of Safe Drinking Water

The Milwaukee Water Works serves 11 wholesale clients who operate their own water utilities, bill customers and maintain the distribution system. 

Wholesale customers

  • Brown Deer
  • Butler
  • Greendale
  • Menomonee Falls
  • Mequon
  • Milwaukee County Grounds facilities
  • New Berlin
  • Shorewood
  • Thiensville
  • Wauwatosa
  • West Allis


Service Area Map

Service Area Map


Retail customers receive full water service from the Milwaukee Water Works, including customer billing and distribution system maintenance.

Retail customers

  • Greenfield
  • Hales Corners
  • St. Francis
  • Franklin (a portion)
  • West Milwaukee receives billing services from MWW and maintains its own distribution system. 


The Milwaukee Water Works is a member of the American Water Works Association, the Association of Metropolitan Water Agencies, the Water Research Foundation, the Wisconsin Water Association, the Rural Water Association,
and the Water Council.

American Water Works Association Association of Metropolitan Water Agencies   Water Research Foundation   Wisconsin Water Association