The Power of Information

National Drinking Water Database


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


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

The Most Polluted Communities in Idaho

116 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
(Range)
1Mission Creek Water Assn
Bonners Ferry, ID
981 of 143.9 pCi/L
(43.9 pCi/L)
2Thunderbird Mobile Manor
Boise, ID
1001 of 140.1 pCi/L
(40.1 pCi/L)
3Caldwell Housing Authority
Caldwell, ID
1,1001 of 137.1 pCi/L
(37.1 pCi/L)
4Meridian Heights Wsa
Boise, ID
7904 of 435.1 pCi/L
(33.5 to 36.3 pCi/L)
5Shari Hill Estates
Marsing, ID
394 of 433.65 pCi/L
(26.3 to 39.19 pCi/L)
6Elm Park Water System
Twin Falls, ID
1201 of 132.51 pCi/L
(32.51 pCi/L)
7Rich Subd
Middleton, ID
606 of 628.89 pCi/L
(21.6 to 38.8 pCi/L)
8West Meadows Estates
Boise, ID
5001 of 126.4 pCi/L
(26.4 pCi/L)
9Skyline Water Assn
Nampa, ID
501 of 124.9 pCi/L
(24.9 pCi/L)
10Kimpton Acres Third Subd
Middleton, ID
889 of 923.79 pCi/L
(7.7 to 40.3 pCi/L)

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

StandardDescriptionLevel
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 Idaho

There are no violations reported for this contaminant in Idaho