Wisconsin utilities 501 to 600.

Each serves 300 to 498 people, as it reports to EPA. Your ZIP code finds yours faster.

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501 to 600 of 1,026, by people served

Wisconsin utilities, 501 to 600 of 1,026, by people served
Utility	Based in	Serves	Regulated PFAS	Health-based violations since 2016
Taylor Waterworks	Taylor	498	Not sampled	0
Holland TN Sanitary Dist	Town of Holland	495	Not sampled	1
Gays Mills Waterworks	Gays Mills	490	Not sampled	1
Wilton Waterworks	Wilton	490	Not sampled	2
Bayfield Waterworks	Bayfield	488	Not sampled	0
Alma Center Waterworks	Alma Center	487	Not sampled	2
Forest Junction Pub Util	Forest Junction	487	None found	1
Knapp Waterworks	Knapp	486	Not sampled	1
Mount Calvary Waterworks	Mount Calvary	478	Not sampled	0
South Wayne Waterworks	South Wayne	478	Not sampled	0
Tremain Mobile Home Park	Dousman	475	Not sampled	5
Brandybrook Subdivision	Wales	474	Not sampled	1
Lyndon Station Waterworks	Lyndon Station	474	Not sampled	0
St Cloud Waterworks	St Cloud	471	Not sampled	0
House on the Rock Resort	Spring Green	470	Not sampled	1
Glenbeulah Waterworks	Glenbeulah	461	Not sampled	1
Cobb Waterworks	Cobb	458	Not sampled	1
Kendall Waterworks	Kendall	458	Not sampled	3
Coloma Waterworks	Coloma	454	Not sampled	0
Fairchild Waterworks	Fairchild	451	Not sampled	1
Bay View Heights Inc	Stoughton	450	Not sampled	2
Bluffview Sanitary District	Prairie Du Sac	450	Not sampled	1
Cochrane Waterworks	Cochrane	450	Not sampled	1
Hobart Waterworks S A 2	Hobart	450	Not sampled	0
Land O Lakes Sanitary Dist	Land O Lakes	450	Not sampled	5
Mattoon Waterworks	Mattoon	450	Not sampled	1
Parquelynn Village	Nashotah	450	Not sampled	0
Wheatland Estates	Wheatland	450	Not sampled	0
Willow Springs MHP 2 & 3	Sussex	446	Not sampled	0
Fountain City Waterworks	Fountain City	443	Not sampled	1
Hixton Waterworks	Hixton	443	Not sampled	0
Birchwood Waterworks	Birchwood	442	Not sampled	3
Merrimac Waterworks	Merrimac	440	Not sampled	2
Sextonville Waterworks	Sextonville	425	Not sampled	0
Blue River Waterworks	Blue River	424	Not sampled	0
Clyman Waterworks	Clyman	422	Not sampled	2
North Hills MHP	Beaver Dam	420	Not sampled	0
Villa Diann MHP	Eau Claire	420	Not sampled	1
Hancock Waterworks	Hancock	419	Not sampled	2
Bear Creek Waterworks	Bear Creek	418	Not sampled	0
Junction City Waterworks	Junction City	416	Not sampled	0
Squires Grove	Elm Grove	410	Not sampled	0
Pigeon Falls Waterworks	Pigeon Falls	409	Not sampled	0
Elcho Sanitary District 1	Elcho	400	Not sampled	3
Harvest View Mhc	Union Grove	400	Not sampled	1
Knolls Water Cooperative	Powers Lake	400	Not sampled	0
Lake Forest Water Coop	Madison	400	Not sampled	2
Manor Hill Mobile Home Park	Eden	400	Not sampled	0
Marian Heights Subdivision	Elm Grove	400	Not sampled	0
Pioneer Estates of Delavan	Delavan	400	Not sampled	0
Port Wing Sanitary District	Port Wing	400	Not sampled	0
WI Air National Guard Volk Field	Camp Douglas	400	Not sampled	0
Windsor Water Utility North	Morrisonville	400	Not sampled	0
Delavan Club Condos	Delavan	395	Not sampled	0
Readstown Waterworks	Readstown	395	Not sampled	2
Nelson Water & Sewer Dept	Nelson	375	Not sampled	0
Gilman Waterworks	Gilman	372	Not sampled	0
Tennyson Waterworks	Potosi	367	Not sampled	2
Dallas Waterworks	Dallas	365	Not sampled	1
Fairwater Waterworks	Fairwater	365	Not sampled	0
La Valle Waterworks	La Valle	365	Not sampled	6
Bowler Waterworks	Bowler	357	Not sampled	0
Maribel Waterworks	Maribel	355	Not sampled	0
Bagley Waterworks	Bagley	353	Not sampled	1
Cazenovia Waterworks	Cazenovia	351	Not sampled	1
La Crosse Estates LLC	La Crosse	351	Not sampled	0
Fitchburg Utility Dist 1 South	Fitchburg	350	Not sampled	0
Goodman Sanitary Dist No 1	Goodman	350	Not sampled	2
Nashotah House	Delafield	350	Not sampled	0
Rainbow Lake Manor MHP	Bristol	350	Not sampled	0
Granton Waterworks	Granton	349	Not sampled	1
Pound Waterworks	Pound	349	Not sampled	2
Curtiss Waterworks	Curtiss	346	Not sampled	0
Embarrass Waterworks	Embarrass	346	Not sampled	1
Friesland Waterworks	Friesland	345	Not sampled	3
Winter Waterworks	Winter	344	Not sampled	1
Eastman Waterworks	Eastman	342	Not sampled	1
St Johns Northwestern Academies	Delafield	340	Not sampled	2
Lowell Waterworks	Lowell	337	Not sampled	1
Hawkins Waterworks	Hawkins	333	Not sampled	2
Cedar Lake Home 5	West Bend	330	Not sampled	1
Tan Oak Apts	Twin Lakes	325	Not sampled	1
Leroy Sanitary District 1	Leroy	320	Not sampled	5
Recreacres Mhc LLC	Stevens Point	320	Not sampled	0
Oakdale Waterworks	Oakdale	317	Not sampled	1
Wheeler Waterworks Assoc	Wheeler	317	Not sampled	1
Lincoln Hills School	Irma	316	Not sampled	0
Northernaire Sanitary District	Three Lakes	315	Not sampled	1
Village of Chaseburg Waterworks	Chaseburg	306	Not sampled	0
Hickory Haven Mhc	Union Grove	303	Not sampled	0
Kellnersville Waterworks	Kellnersville	301	Not sampled	3
Beechwood Farms Estates	Mequon	300	Not sampled	0
Bridgeport San Dist No 1	Prairie Du Chien	300	Not sampled	1
Carefree Estates MHP	Trevor	300	Not sampled	1
Coulee Creek Estates Bv	La Crosse	300	Not sampled	0
Delafield Waterworks	Delafield	300	Not sampled	0
Fifield Sanitary District	Fifield	300	Not sampled	1
Lincoln TN of SD 1	Whitehall	300	Not sampled	0
Loganville Waterworks	Loganville	300	Not sampled	0
Pine Edge MHP	Eau Claire	300	Not sampled	0

Every utility EPA sampled for PFAS under UCMR 5, any other community system serving 3,300 people or more, and any smaller one with results from 2020 on, from the state. Other systems appear in ZIP code results. People served is what each utility reports to EPA. Data: EPA SDWIS 2026 Q3, UCMR 5 and EPA’s 2012 to 2019 compliance results, and Wisconsin Department of Natural Resources, Drinking Water Program.

501 to 600 of 1,026, by people served

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