The Power of Information

National Drinking Water Database


Alpha particle activity (excl radon and uranium) in Wisconsin


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

The Most Polluted Communities in Wisconsin

228 water utilities reported detecting Alpha particle activity (excl radon and 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 (excl radon and uranium) level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
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)
8Viroqua Waterworks
Viroqua, WI
4,3356 of 618.22 pCi/L
(8 to 36.4 pCi/L)
9Mattoon Waterworks
Mattoon, WI
4501 of 117.9 pCi/L
(17.9 pCi/L)
10Winneconne Waterworks
Winneconne, WI
2,3516 of 617.88 pCi/L
(14.4 to 23.8 pCi/L)

Health Based Limits for Alpha particle activity (excl radon and uranium)

StandardDescriptionLevel
Maximum Contaminant Limit Goal (MCLG)A non-enforceable health goal that is set at a level at which no known or anticipated adverse effect on the health of persons occurs and which allows an adequate margin of safety. Source: U.S. Environmental Protection Agency.0 pCi/L
One in one million (10-6) Cancer RiskThe concentration of a chemical in drinking water corresponding to an excess estimated lifetime cancer risk of 1 in 1,000,000. Source: U.S. Environmental Protection Agency.0.15 pCi/L
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
One in ten thousand (10-4) Cancer RiskThe concentration of a chemical in drinking water corresponding to an excess estimated lifetime cancer risk of 1 in 10,000. Source: U.S. Environmental Protection Agency.15 pCi/L

Violation Summary for Alpha particle activity (excl radon and uranium) in Wisconsin

Data from the U.S. Environmental Protection Agency includes the following violations of federal standards in Wisconsin since 2004

Violation TypeNumber of Violations
Failure to monitor regularly2