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.

Construction detour maps

I-41/W. Oklahoma Avenue Detour Map

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See details on the latest construction in progress

November 18th Update

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

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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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