What does 'people served' mean?

People served refers to the total population that receives water service from the utility. This number represents the estimated number of residents within the utility's service area.

Why are utilities listed by city?

Utilities are listed by their primary city of operation to help users find water services in their local area. Some utilities may serve multiple cities or unincorporated areas within a region.

How can I get more details about a utility?

Click on any utility name or the 'View Profile' button to access the full utility profile page, which includes detailed information, contact details, and compliance data.

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Drinking Water Utilities in Wisconsin

Q: How many drinking water utilities are in Wisconsin?

Wisconsin has 80 drinking water utilities serving more than 10,000 people listed in this directory.

Browse utilities serving more than 10,000 people by location and population served.

Utilities listed

Total people served

2,942,474

Largest utility

Milwaukee Waterworks

647,290 people

Coverage

100%

with population data

Wisconsin has 80 drinking water utilities serving more than 10,000 people in this directory. The largest utility by population served is Milwaukee Waterworks, serving 647,290 people. Utilities are listed with their city location and population served.

People Served:

01,000,000

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Utility Name	City	People Served	Action
Milwaukee Waterworks	Milwaukee	647,290	View Profile
Madison Water Utility	Madison	235,000	View Profile
Racine Waterworks	Racine	105,100	View Profile
Green Bay Waterworks	Green Bay	104,057	View Profile
Kenosha Water Utility	Kenosha	99,218	View Profile
Appleton Waterworks	Menasha	72,000	View Profile
Waukesha Water Utility	Waukesha	70,718	View Profile
Eau Claire Waterworks	Eau Claire	66,060	View Profile
West Allis Waterworks	West Allis	63,240	View Profile
Oshkosh Waterworks	Oshkosh	63,000	View Profile
Janesville Water Utility	Janesville	62,720	View Profile
La Crosse Waterworks	La Crosse	53,000	View Profile
Sheboygan Water Utilities	Sheboygan	49,288	View Profile
Wauwatosa Waterworks	Wauwatosa	49,064	View Profile
Fond Du Lac Waterworks	Fond Du Lac	42,000	View Profile
Wausau Waterworks	Wausau	39,106	View Profile
City of Beloit	Beloit	37,110	View Profile
Manitowoc Waterworks	Manitowoc	34,500	View Profile
Sun Prairie Utilities	Sun Prairie	32,613	View Profile
Oak Creek Waterworks	Oak Creek	32,104	View Profile
West Bend Waterworks	West Bend	31,500	View Profile
Superior Water Light & Power Company	Superior	29,571	View Profile
Brookfield Water Utility	Brookfield	29,070	View Profile
New Berlin Water Utility	New Berlin	27,899	View Profile
Neenah Waterworks	Neenah	25,892	View Profile
Stevens Point Waterworks	Stevens Point	24,551	View Profile
De Pere Water Department	De Pere	23,920	View Profile
Menomonee Falls WW - Surface Water	Menomonee Falls	23,867	View Profile
Watertown Waterworks	Watertown	23,127	View Profile
Franklin Water Utility	Franklin	22,500	View Profile
Village of Caledonia Water Utility	Caledonia	21,819	View Profile
Grand Chute Tn San District 1	Grand Chute	21,583	View Profile
South Milwaukee Waterworks	South Milwaukee	21,340	View Profile
Germantown Water Utility	Germantown	20,027	View Profile
Wisconsin Rapids Water Works & Lighting Comm.	Wisconsin Rapids	20,000	View Profile
Howard Waterworks	Green Bay	18,900	View Profile
Marshfield Utilities	Marshfield	18,708	View Profile
Cudahy Waterworks	Cudahy	18,659	View Profile
Onalaska Waterworks	Onalaska	18,000	View Profile
Middleton Waterworks	Middleton	17,903	View Profile
Ashwaubenon Waterworks	Green Bay	17,730	View Profile
Hudson Waterworks	Hudson	17,100	View Profile
Beaver Dam Water Utility	Beaver Dam	16,200	View Profile
Menomonie Waterworks	Menomonie	15,950	View Profile
Oconomowoc Waterworks	Oconomowoc	15,805	View Profile
Hartford Waterworks	Hartford	15,384	View Profile
Bellevue Waterworks	Green Bay	15,365	View Profile
River Falls Waterworks	River Falls	15,229	View Profile
Weston Municipal Utilities	Weston	15,045	View Profile
Fitchburg Utility District 1	Fitchburg	15,000	View Profile

Showing 1 to 50 of 80 utilities

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Top Drinking Water Utilities in Wisconsin by Population Served

Frequently Asked Questions

Definitions

People served: Total population supplied with water by the utility system.
Drinking water utility: A public water system that provides potable (safe to drink) water to residential and commercial customers through a distribution network.