What is Lead?
Water suppliers
Lead value per supplier, LCR compliance samples. EPA action level — 0.015 mg/L at the 90th percentile. Suppliers that exceeded the lead action level
are highlighted and listed first. “Not detected” means the contaminant was measured but
not found.
| Supplier | City | Population | Lead (mg/L) |
|---|---|---|---|
| Acorn Acres Mhp | Olney | 52 | 0.1527 mg/L |
| Mineral Point Waterworks | Mineral Point | 2,487 | 0.0370 mg/L |
| Dodge Sanitary Dist 1 | Dodge | 120 | 0.0318 mg/L |
| Argyle Waterworks | Argyle | 823 | 0.0260 mg/L |
| Lakeland University | Plymouth | 1,200 | 0.0218 mg/L |
| Lodi Waterworks | Lodi | 3,146 | 0.0180 mg/L |
| Williams Bay Waterworks | Williams Bay | 2,601 | 0.0160 mg/L |
| Cassville Waterworks | Cassville | 777 | 0.0151 mg/L |
| Burlington Waterworks | Burlington | 11,043 | 0.0150 mg/L |
| Elkhorn Waterworks | Elkhorn | 10,317 | 0.0140 mg/L |
| Thorp Waterworks | Thorp | 1,636 | 0.0140 mg/L |
| Knollcrest | Delafield | 66 | 0.0136 mg/L |
| Cudahy Waterworks | Cudahy | 18,659 | 0.0130 mg/L |
| Two Rivers Waterworks | Two Rivers | 11,270 | 0.0130 mg/L |
| Kimberly Waterworks | Kimberly | 7,608 | 0.0130 mg/L |
| New London Waterworks | New London | 7,187 | 0.0130 mg/L |
| Chilton Waterworks | Chilton | 4,191 | 0.0130 mg/L |
| Federal Correctional Institution | Oxford | 1,550 | 0.0126 mg/L |
| Iola Waterworks | Iola | 1,249 | 0.0120 mg/L |
| Athens Waterworks | Athens | 1,025 | 0.0120 mg/L |
| Cedar Lake Home 5 | West Bend | 330 | 0.0118 mg/L |
| Nashotah House | Delafield | 350 | 0.0113 mg/L |
| Beaver Dam Water Utility | Beaver Dam | 16,200 | 0.0113 mg/L |
| Three Lakes Sanitary District | Three Lakes | 500 | 0.0112 mg/L |
| North Shore Water Commission | Glendale | 35,598 | 0.0110 mg/L |
| Watertown Waterworks | Watertown | 23,945 | 0.0110 mg/L |
| Oconto Falls Waterworks | Oconto Falls | 2,892 | 0.0110 mg/L |
| Oostburg Waterworks | Oostburg | 3,110 | 0.0105 mg/L |
| Platteville Waterworks | Platteville | 12,268 | 0.0103 mg/L |
| Lincoln Tn of Sd 1 | Whitehall | 300 | 0.0101 mg/L |
| Rock River Leisure Estates Coop | Edgerton | 650 | 0.0101 mg/L |
| Neenah Waterworks | Neenah | 27,506 | 0.0100 mg/L |
| Whitewater Waterworks | Whitewater | 14,000 | 0.0100 mg/L |
| Delavan Waterworks | Delavan | 9,028 | 0.0100 mg/L |
| North Fond Du Lac Waterworks | North Fond Du Lac | 5,414 | 0.0091 mg/L |
| Coulee Manor Trailer Park | La Crosse | 39 | 0.0091 mg/L |
| Cedar Grove Waterworks | Cedar Grove | 2,213 | 0.0089 mg/L |
| St Johns Northwestern Academies | Delafield | 340 | 0.0088 mg/L |
| Wauwatosa Waterworks | Wauwatosa | 49,064 | 0.0084 mg/L |
| Marshfield Utilities | Marshfield | 18,815 | 0.0082 mg/L |
| Lomira Waterworks | Lomira | 2,701 | 0.0082 mg/L |
| Keyes Lake Mobile Home Park | Florence | 30 | 0.0081 mg/L |
| Baraboo Waterworks | Baraboo | 12,703 | 0.0081 mg/L |
| Lake Forest Water Coop | Madison | 400 | 0.0081 mg/L |
| Prairie Apts 3 & 4 | Salem | 125 | 0.0080 mg/L |
| Mary Hill Park Sanitary Dist | Fond Du Lac | 65 | 0.0078 mg/L |
| Genoa Waterworks | Genoa | 264 | 0.0078 mg/L |
| Manitowoc Waterworks | Manitowoc | 34,500 | 0.0077 mg/L |
| South Milwaukee Waterworks | South Milwaukee | 21,340 | 0.0077 mg/L |
| Cedarburg L & W Commission | Cedarburg | 12,500 | 0.0076 mg/L |
| Saukville Waterworks | Saukville | 4,268 | 0.0076 mg/L |
| Greenville Utilities Vil of | Greenville | 11,340 | 0.0075 mg/L |
| Kountry Aire Est Mhp I | Mauston | 90 | 0.0075 mg/L |
| Country Vineyard 4 | Oregon | 28 | 0.0075 mg/L |
| Fox Point Waterworks | Fox Point | 6,808 | 0.0074 mg/L |
| Villa Diann Mhp | Eau Claire | 420 | 0.0073 mg/L |
| Markesan Waterworks | Markesan | 1,365 | 0.0071 mg/L |
| Mendota Mental Health Inst | Madison | 2,787 | 0.0070 mg/L |
| Brandon Waterworks | Brandon | 872 | 0.0069 mg/L |
| River Valley Apts South | Ixonia | 48 | 0.0068 mg/L |
| Valders Waterworks | Valders | 954 | 0.0068 mg/L |
| Pearces Mobile Home Estates | Mauston | 37 | 0.0068 mg/L |
| Elmore Heights Trailer Court | Campbellsport | 30 | 0.0066 mg/L |
| Ashland Water Utility | Ashland | 8,000 | 0.0065 mg/L |
| Sauk City Waterworks | Sauk City | 3,518 | 0.0064 mg/L |
| Hale Park Meadows | Muskego | 720 | 0.0064 mg/L |
| Embarrass Waterworks | Embarrass | 347 | 0.0064 mg/L |
| Walworth Waterworks | Walworth | 2,304 | 0.0063 mg/L |
| Cleveland Waterworks | Cleveland | 1,524 | 0.0063 mg/L |
| Wi Air National Guard Volk Field | Camp Douglas | 400 | 0.0063 mg/L |
| Portage Waterworks | Portage | 10,437 | 0.0062 mg/L |
| Plymouth Utilities | Plymouth | 8,964 | 0.0062 mg/L |
| Shullsburg Waterworks | Shullsburg | 1,222 | 0.0061 mg/L |
| Oshkosh Waterworks | Oshkosh | 63,000 | 0.0061 mg/L |
| Sister Bay Waterworks | Sister Bay | 1,000 | 0.0061 mg/L |
| Pine Valley Community Village | Richland Center | 225 | 0.0060 mg/L |
| Weyauwega Waterworks | Weyauwega | 1,820 | 0.0060 mg/L |
| Knapp Waterworks | Knapp | 486 | 0.0060 mg/L |
| Heidel Rd Apts 139 | Thiensville | 40 | 0.0060 mg/L |
| Allouez Waterworks | Green Bay | 13,923 | 0.0059 mg/L |
| Port Washington Waterworks | Port Washington | 12,853 | 0.0059 mg/L |
| Grandview Mobile Home Court | Neillsville | 42 | 0.0059 mg/L |
| Superior Water Light & Power Company | Superior | 26,084 | 0.0056 mg/L |
| Winnebago Area Sanitary District | Winnebago | 90 | 0.0056 mg/L |
| Windsor Water Utility South | Windsor | 4,607 | 0.0055 mg/L |
| Nelson Water & Sewer Dept | Nelson | 375 | 0.0055 mg/L |
| Sheboygan Falls Utilities | Sheboygan Falls | 8,687 | 0.0054 mg/L |
| Ho-Chunk Che-Nunk | Black River Falls | 132 | 0.0054 mg/L |
| Pepin Waterworks | Pepin | 816 | 0.0053 mg/L |
| Milwaukee Waterworks | Milwaukee | 626,000 | 0.0053 mg/L |
| Hillcrest Estates Mhp | Altoona | 850 | 0.0053 mg/L |
| Winter Waterworks | Winter | 344 | 0.0052 mg/L |
| Fitchburg Utility Dist 1 South | Fitchburg | 350 | 0.0052 mg/L |
| Fox Crossing Utilities East | Neenah | 10,927 | 0.0051 mg/L |
| Montello Waterworks | Montello | 1,329 | 0.0050 mg/L |
| Ridgeland | Oneida | 691 | 0.0050 mg/L |
| Oregon Waterworks | Oregon | 11,200 | 0.0050 mg/L |
| Gordon Correctional Center | Gordon | 124 | 0.0049 mg/L |
| Reeseville Waterworks | Reeseville | 718 | 0.0049 mg/L |
| Somers Water Utility | Somers | 1,930 | 0.0049 mg/L |