Keeping you in the loop,
West Allis.

The Great Water Alliance will be partnering with neighboring communities for years to come. We invite you to bookmark this page so you can easily keep up with local news and developments, and learn about upcoming events in West Allis.


Great Water Alliance construction crews will resume work on the Water Supply Pipeline in W. National Avenue/W. Oklahoma Avenue from 124th Street to STH 100/S. 108th Street.

Learn how traffic will be restricted as construction progresses here.

Check out interactive route map for updates on construction in your area and be sure to contact us if you have any questions.

Sign up for construction updates

See details on the latest construction in progress

Great Water Alliance Online Open House and Q&A

May 2021: West Allis & Greenfield Construction

Information about the construction phase of the new water supply program presented by program leaders and officials.

Watch the May 2021: May 2021 West Allis and Greenfield Construction Open House

Click image to play video

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Great Water Alliance welcomes your thoughts and opinions as we work towards improved water quality in the City of Waukesha, the Root River, and the Lake Michigan Basin.

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