The Power of Information

National Drinking Water Database

Combined Radium (-226 & -228) in Idaho

Radium is a radioactive element usually found around uranium deposits. [read more]

The Most Polluted Communities in Idaho

80 water utilities reported detecting Combined Radium (-226 & -228) in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Combined Radium (-226 & -228) level

RankSystem Population Served Positive test results of total reported tests Average Level
1DJ Park Well
752 of 21.95 pCi/L
(1.82 to 2.08 pCi/L)
2M and M Mountain View Subd Em2
542 of 21.86 pCi/L
(0.2 to 3.52 pCi/L)
3Riverview Acres Water Assn 1
Blackfoot, ID
334 of 41.81 pCi/L
(0.71 to 2.95 pCi/L)
4City of Whitebird
Whitebird, ID
1062 of 21.5 pCi/L
(1.32 to 1.68 pCi/L)
5Bear Island Water Assn
Idaho Falls, ID
1001 of 11.47 pCi/L
(1.47 pCi/L)
6City of Potlatch
Potlatch, ID
8802 of 21.4 pCi/L
(1.3 to 1.5 pCi/L)
7Caldwell Housing Authority
Caldwell, ID
1,1004 of 41.38 pCi/L
(0.2 to 4.08 pCi/L)
8Atlas Acres
Hayden, ID
603 of 31.37 pCi/L
(0.2 to 3.4 pCi/L)
9Capitol Water Corp
Boise, ID
7,4003 of 41.35 pCi/L
(0 to 2.5 pCi/L)
10City of Rathdrum
Rathdrum, ID
4,6001 of 11.3 pCi/L
(1.3 pCi/L)

Health Based Limits for Combined Radium (-226 & -228)

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
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.5 pCi/L

Violation Summary for Combined Radium (-226 & -228) in Idaho

There are no violations reported for this contaminant in Idaho