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National Drinking Water Database

Alpha particle activity (incl. radon & uranium) in Wisconsin

Alpha particles are a form of radiation associated with mining waste pollutants and natural sources. [read more]

The Most Polluted Communities in Wisconsin

218 water utilities reported detecting Alpha particle activity (incl. radon & uranium) in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Alpha particle activity (incl. radon & uranium) level

RankSystem Population Served Positive test results of total reported tests Average Level
1Little Chute Waterworks
Little Chute, WI
10,8231 of 127 pCi/L
(27 pCi/L)
2Holland TN Sanitary Dist
Town Of Holland, WI
4503 of 326.33 pCi/L
(17 to 41 pCi/L)
3Union Grove Waterworks
Union Grove, WI
4,10110 of 1019.95 pCi/L
(10 to 28 pCi/L)
4Franklin Water Utility
Franklin, WI
22,5001 of 119.35 pCi/L
(19.35 pCi/L)
5Town of Bristol Waterworks
Bristol, WI
5983 of 419 pCi/L
(0 to 28 pCi/L)
6Fond DU Lac Waterworks
Fond Du Lac, WI
42,0002 of 218.83 pCi/L
(6 to 31.67 pCi/L)
7Brookfield Water Utility
Brookfield, WI
21,9005 of 518.6 pCi/L
(14 to 32.67 pCi/L)
8Mattoon Waterworks
Mattoon, WI
4501 of 117.9 pCi/L
(17.9 pCi/L)
9Winneconne Waterworks
Winneconne, WI
2,3516 of 617.88 pCi/L
(14.4 to 23.8 pCi/L)
10Bethel Nursing & Rehab Center
Arpin, WI
2253 of 317.68 pCi/L
(0.03 to 39 pCi/L)

Health Based Limits for Alpha particle activity (incl. radon & uranium)

Maximum Contaminant Limit (MCL)The enforceable standard which defines the highest level of a contaminant that is allowed in drinking water. MCLs are set as close to health-based limits (Maximum Contaminant Level Goals, or MCLGs) as feasible using the best available analytical and treatment technologies and taking cost into consideration. Source: U.S. Environmental Protection Agency.15 pCi/L

Violation Summary for Alpha particle activity (incl. radon & uranium) in Wisconsin

There are no violations reported for this contaminant in Wisconsin