Wisconsin — all systems

Wisconsin water systems A–Z

Page 3 of 5 · Juneau Waterworks → Oakhill Correctional Inst. Every public water system we track in Wisconsin, alphabetically. Each links to the system's measured contaminant levels against federal limits.

Juneau Waterworks (2025)
K & S Manufacturing Bldg 1 (2025)
K & S Manufacturing Bldg 2 & 3 (2025)
Kansasville School (2025)
Kar-tech Inc (2025)
Kaukauna Utilities (2023)
Kellnersville Waterworks (2025)
Kelsch Machine Corp (2025)
Kendall Waterworks (2025)
Kenilworth Subd (2023)
Kenosha Beef International & Birchwood Foods (2025)
Kenosha Water Utility (2025)
Kens Sports Inc (2025)
Kettle Moraine Correctional Institution (2023)
Kettle Moraine High School & Wales Elem School (2025)
Kettle Moraine Lutheran Hs (2025)
Kettle Moraine Ymca - Holy Trinity Congregation (2025)
Kewaskum Waterworks (2023)
Kewaunee Solutions (2025)
Kewaunee Waterworks (2025)
Keyes Lake Mobile Home Park (2025)
Kid Central (2025)
Kids at Play Child Care Center (2025)
Kiel Waterworks (2025)
Kieler Sd No 1 (2023)
Kikkoman Foods (2025)
Kimberly Waterworks (2023)
Kimberly-clark Corporation Kcpx Facility (2025)
Kingston Cheese Co-op (2025)
Kinnard Farms Site 1 (2025)
Kinnard Farms Site 2 (2025)
Klondike Cheese Co (2025)
Knapp Waterworks (2023)
Knollcrest (2023)
Knolls Water Cooperative (2024)
Koehne Chevrolet - Gmc Inc (2025)
Kohler Waterworks (2023)
Koshkonong Trails Charter School (2025)
Kountry Aire Est Mhp I (2024)
Kountry Aire Est Mhp Ii (2024)
Kountry Aire Est Mhp Iii (2024)
Kreilkamp Trucking Inc (2025)
Kronenwetter Water & Sewer Utility (2023)
Kwik Trip #1013 (2025)
La Crosse Estates Llc (2024)
La Crosse Waterworks (2025)
La Farge Waterworks (2023)
La Valle Waterworks (2023)
Laclare Family Creamery (2025)
Laconia Elementary School (2025)
Laconia High School and Middle School (2025)
Lactalis Usa Inc (2025)
Lad Lake (2023)
Ladysmith Waterworks (2023)
Lafayette Court (2024)
Lake Breeze Dairy Llc (2025)
Lake Como Sanitary Dist 1 (2023)
Lake Country Apartments (2024)
Lake Country Classical Academy East Campus (2025)
Lake Country Nissan (2025)
Lake Country School (2025)
Lake Delton Waterworks (2023)
Lake Denoon Middle School (2025)
Lake Drive Water Trust (2025)
Lake Forest Water Coop (2024)
Lake Geneva Country Club Clubhouse (2025)
Lake Geneva Utility Commission (2023)
Lake Hallie Waterworks Village of (2024)
Lake Lawn Resort 3 Main Well (2025)
Lake Meadows Water Trust (2024)
Lake Mills Waterworks (2025)
Lake Pointe Apts - Well 1 5320-5326 (2024)
Lake Pointe Apts - Well 2 5312-5318 (2023)
Lake Pointe/marina Bay (2023)
Lake View Apts (2024)
Lakecrest Shores Llc (2024)
Lakeland Sanitary Dist 1 (2023)
Lakeland University (2025)
Lakeland Village 1 (2024)
Lakeland Village 2 (2024)
Lakepoint Offices (2025)
Lakeside Development East & West Bldgs (2023)
Lakeside Elementary School (2025)
Lakeside Estates (2024)
Lakeside Mennonite School (2025)
Lakeview Estates Mhp (2024)
Lakeview Heights Mobile Home Park (2024)
Lakeview School (2025)
Lakeview School (2025)
Lakeview Specialty Hospital (2024)
Lakewood Assisted Living Inc (2025)
Lakewood School (2025)
Lakewood Supervalu (2025)
Lakewood Village (2024)
Lakewood Village Apts (2023)
Lakewoods Lodge (2025)
Lamplighter Mhc Llc (2023)
Lancaster Waterworks (2023)
Land O Lakes Inc Cheese Div (2025)
Land O Lakes Sanitary Dist (2023)
Land O Lakes- Animal Milk Solutions (2025)
Lannon Water Utility (2023)
Lannoye Elementary School (2025)
Laona Sanitary Dist (2023)
Laurel Lakes 508 (2023)
Laurel Lakes 608 (2024)
Lawrence Waterworks (2023)
Learning Depot (2025)
Lebanon Elementary School (2025)
Lebanon Lutheran School - St Peters Bldg (2025)
Ledgeview Tn Sanitary Dist 2 (2023)
Lee Precision Inc (2025)
Lejeune Steel Building 1 (2025)
Lejeune Steel Building 2 (2025)
Lena Waterworks (2023)
Leroy Sanitary District 1 (2023)
Lewiston Elementary (2025)
Liberty Christian School (2025)
Lignetics of Great Lakes Llc (2025)
Lily Meadows Assisted Living (2024)
Lincoln Crest Apartments (2024)
Lincoln Hills School (2023)
Lincoln Tn of Sd 1 (2023)
Lincolnshire Place (2024)
Linden Lane Apts 117 (2024)
Linden Lane Apts 141 (2024)
Linden Waterworks (2024)
Lindgren Rf Enclosure Inc (2025)
Little Acorns Lodge Learning Academy (2025)
Little Chute Waterworks (2025)
Little Dumplings Early Learning Center (2025)
Little Explorers Preschool (2025)
Little Florida (2024)
Little Hands Child Care & Napa Auto Parts (2025)
Little Owls Child Care Center (2025)
Little Red School House (2025)
Little Red Schoolhouse Colgate (2025)
Little Sunshines Learning Center Ii (2025)
Little Vip Child Care (2025)
Livingston Waterworks (2023)
Lkq Smart Parts (2025)
Lodi Waterworks (2022)
Loganville Waterworks (2023)
Lomira Waterworks (2023)
Lone Rock Waterworks (2023)
Lotus Light (2025)
Lotus Light 2 (2025)
Louisiana Pacific Corporation (2025)
Loves Travel Stop - Sheboygan (2025)
Loves Travel Stops Poynette (2025)
Lowe Manufacturing (2025)
Lowell Waterworks (2023)
Lowenstine Fund Corporation (2024)
Lower Dells Mhc (2025)
Loyal Waterworks (2023)
Luck Waterworks (2023)
Ludwell Estates (2024)
Luedtkes Mobile Home Park (2023)
Luxemburg Waterworks (2023)
Lynch Truck Center (2025)
Lyndon Station Waterworks (2023)
Lynn Dairy Inc (2025)
Madison (2024)
Madison Community Montessori School (2025)
Madison Country Day School (2025)
Madison Water Utility (2023)
Magee Elementary (2025)
Maiden Rock Water Utility (2023)
Maine Elementary School (2025)
Maine Water Utility (2023)
Maizefield Mhc (manufactured Home Community) (2024)
Manawa Waterworks (2023)
Manheim Milwaukee Auto Auction House & Detail Shop (2025)
Manheim Milwaukee Auto Auction-new Body Shop (2025)
Manitou Falls Sanitary District No 1 (2023)
Manitowoc Waterworks (2025)
Manor Hill Mobile Home Park (2024)
Maple Bluff Waterworks (2023)
Maple Grove Charter School (2025)
Maple Grove Mhp (2024)
Maple Leaf Dairy Inc East (2025)
Maple Leaf Dairy Inc West (2025)
Maple Park Condominiums (2024)
Maple Terrace Mhc (2024)
Maplewood Meats (2025)
Maplewood Sanitary Dist 1 (2023)
Maplewood Village (2024)
Maranatha Academy Inc (2025)
Marathon City Waterworks (2023)
Maravilla Montessori School (2025)
Marell Country Estates (2024)
Marell Courts and Rentals Llc (2024)
Marengo Valley School (2025)
Marian Heights Subdivision (2023)
Maribel Waterworks (2023)
Marinette Waterworks (2023)
Marion Waterworks (2023)
Markesan Waterworks (2023)
Marlan Meadows Homeowners Assoc (2024)
Marshall Waterworks (2023)
Marshfield Utilities (2025)
Marshview Terrace (2024)
Mary Hill Park Sanitary Dist (2023)
Maryville Sd 2 (2023)
Matsche Farms Inc (2025)
Matthias Academy (2025)
Mattoon Waterworks (2023)
Mauston Green Acres (2024)
Mauston Waterworks (2023)
Mayville Waterworks (2023)
Mazomanie Mhp (2024)
Mazomanie Waterworks (2023)
Mbe Cpas (2025)
Mccain Foods Usa (2025)
Mcdonalds Milw St (2025)
Mcdonalds Newville (2025)
Mcdonalds Restaurant Poynette (2025)
Mcdonalds Vernon (2025)
Mcdonalds Westfield (2025)
Mcfarland Waterworks (2023)
Mckay Center (2025)
Mckay Nursery Corporate Hdqtrs (2025)
Mcnaughton Correctional Center (2023)
Meadowbrook Mobile Home Park (2023)
Meadows Condominiums Assoc Ltd (2024)
Meadowview Village Apts (2024)
Medford Mhp Llc (2024)
Medford Waterworks (2023)
Mellen Water Utility (2023)
Melrose Mindoro United Campus (2025)
Melrose Mindoro Vocational School (2025)
Melrose Waterworks (2023)
Menards Dist Center North (2025)
Menards Distribution Center Office (2025)
Menards General Office (2025)
Menards Old Mill Center (2025)
Menasha Elec & Water Util (2023)
Mendota Mental Health Inst (2025)
Menomonee Falls (2023)
Menomonee Falls Ww - Groundwater (2023)
Menomonee Falls Ww - Surface Water (2023)
Menomonie Waterworks (2023)
Mequon (2023)
Mequon Colony Estates (2024)
Mequon Office Complex 11514 Bldg (2025)
Mequon Office Complex 11516 Bldg (2025)
Mequon on the Square Condominium Owners Association Inc (2024)
Mequon Parc Apartments Llc (2024)
Mequon Retail Ii Llc (2025)
Mequon Trail Townhomes (2024)
Mequon Umc & North Shore Preschool (2025)
Mequon Water Trust (2024)
Mequon Water Utility (2023)
Mercer Sanitary District (2023)
Mercury Racing (2025)
Merrill Waterworks (2023)
Merrillan Waterworks (2024)
Merrimac Estates Mhp (2024)
Merrimac Waterworks (2023)
Merton Intermediate & Primary School (2025)
Metallics Incorporated (2025)
Meyer Utility Structures Llc (2025)
Mga Research Corp (2025)
Michels Corporation - Franksville (2025)
Mid America Steel Drum Inc (2025)
Mid State Power & Equipment (2025)
Mid-state Equipment Janesville (2025)
Mid-state Supply (2025)
Middle River Health and Rehab Center (2024)
Middleton Waterworks (2023)
Midway Village Mobile Home Park (2024)
Midwest Veterinary Supply (2025)
Milk Specialties Global Company Dba Actus Nutrition (2025)
Mill Creek Academy (2025)
Mill Valley School (2025)
Milladore Waterworks (2023)
Miller Brothers Partnership (2025)
Milltown Waterworks (2023)
Milton Waterworks (2023)
Miltrim Farms Inc (2025)
Milwaukee (2023)
Milwaukee Waterworks (2023)
Mina Copeland Head Start (2025)
Mineral Point Waterworks (2023)
Minocqua Hazelhurst Elem Sch (2025)
Minong Waterworks (2023)
Mishicot Waterworks (2023)
Mission Lakes Ii (2025)
Moerke Display (2025)
Mondovi Waterworks (2023)
Monona Waterworks (2023)
Monroe Waterworks (2023)
Montello Waterworks (2023)
Montfort Waterworks (2023)
Monticello Waterworks (2023)
Montreal Waterworks (2024)
Mosinee East System (2023)
Mosinee Waterworks (2023)
Mother Goose Family Daycare Center (2025)
Mount Calvary Waterworks (2023)
Mount Hope Waterworks (2023)
Mount Sterling Waterworks (2025)
Mountain Top Christian Academy (2025)
Mountain View Mhp 1 (2024)
Mountain View Mhp 2 (2024)
Mpg - Browntown Division (2025)
Msi Express Inc (2025)
Mt Horeb Waterworks (2023)
Mt Zion Christian Church (2025)
Mueller Sports Medicine (2025)
Mukwonago Waterworks (2023)
Mullins Cheese (2025)
Mullins Cheese Factory (2025)
Muscoda Waterworks (2023)
Muskego Lake Aire Apartments (2024)
Muskego Water Utility (2023)
N & M Transfer Company Well 2 (2025)
N & M Transfer Company Well 3 (2025)
Nashotah House (2024)
Nasonville Dairy (2025)
Nasonville Elementary School (2025)
Natural Beauty Growers (2025)
Natural Ovens Bakery Alpha Baking Co (2025)
Natures Classroom Institute Property Llc (2025)
Necedah Waterworks (2023)
Nedland Industries (2025)
Neenah Waterworks (2025)
Neenk Chunk Gra Head Start (2025)
Neillsville Waterworks (2023)
Nekoosa Waterworks (2023)
Nelson Water & Sewer Dept (2023)
Nestle Purina Pet Care Co (2025)
New Auburn Waterworks (2023)
New Berlin (2023)
New Berlin Water Utility (2023)
New Berlin West Middle High School (2025)
New Chester Dairy (2025)
New Frontiers Preschool (2025)
New Glarus Waterworks (2023)
New Holstein Waterworks (2023)
New House Richland (2025)
New Lisbon Waterworks (2023)
New London Waterworks (2020)
New Richmond Estates (2024)
New Richmond Waterworks (2023)
New World Montessori School (2025)
Niagara Waterworks (2023)
Nichols Waterworks (2023)
Nicolet Plastics Llc (2025)
Nigrelli Inc (2025)
Nlc Energy Denmark (2025)
Nonns Flooring Warehouse (2025)
Nor Lake (2025)
Norman Office Building C (2025)
Norris Inc (2024)
Norscot Group Inc (2025)
Norswiss Farms Inc (2025)
North Cape School (2025)
North Country Montessori (2025)
North Crawford School (2025)
North Fond Du Lac Waterworks (2023)
North Freedom Waterworks (2023)
North Hills Mhp (2024)
North Lake School (2025)
North Lake Village (2024)
North Lakeland School (2025)
North Shore Preschool & Child Care (2025)
North Shore Water Commission (2018)
Northern Clearing Inc (2025)
Northern Family Farms Mexicali Housing Well (2024)
Northernaire Sanitary District (2025)
Northfield San Dist 1 (2023)
Northland Mission (2025)
Northview Elementary School (2025)
Northwestern Elementary and Middle School (2025)
Northwestern High School (2025)
Northwood Community Elementary School (2025)
Northwood School (2025)
Northwoods Child Development Center (2025)
Northwoods Inc of Wisconsin (2025)
Norwalk Waterworks (2023)
Norway Ev Lutheran Church and Mustard Seed Preschool (2025)
Norwood Inn (2025)
Nrf Viii - Autumn Grove Llc (2025)
Ntc Ag Center (2025)
Ntc Christian Academy (2025)
Ntc Vet Tech Lab (2025)
Nu Roc Health and Rehabilitation Center (2024)
Nwtc Universal Driving Facility (2025)
Oak Creek Waterworks (2023)
Oak Lane Mobile Home Park (2023)
Oak Park Community (2024)
Oak Ridge Mobile Com 1 & 2 (2024)
Oak Ridge Mobile Com 3 (2024)
Oak Ridge Mobile Com 4 (2024)
Oak Tree Early Learning Center Llc (2025)
Oakdale Estates Mhp (2024)
Oakdale Waterworks (2023)
Oakfield Waterworks (2023)
Oakhill Correctional Inst (2023)