The Power of Information

National Drinking Water Database

Combined Radium (-226 & -228) in Maine

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

The Most Polluted Communities in Maine

30 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
1Castine Water Department
Castine, ME
1,0631 of 114.93 pCi/L
(14.93 pCi/L)
2Howards Trailer Park
Bucksport, ME
651 of 16.68 pCi/L
(6.68 pCi/L)
3Nichols Trailer Park
Shelburne, ME
7512 of 155.72 pCi/L
(0 to 14.74 pCi/L)
4Brookside Mobile Home Court
Newcastle, ME
886 of 64.43 pCi/L
(3.48 to 6.73 pCi/L)
5Pinewood Acres Trailer Park
Bowdoin, ME
951 of 12.44 pCi/L
(2.44 pCi/L)
6Canton Point Park
Auburn, ME
731 of 12.42 pCi/L
(2.42 pCi/L)
7Portland Water Dist/Steep Fall
Portland, ME
3301 of 11.85 pCi/L
(1.85 pCi/L)
8Poland Country Village Mhp,inc
East Poland, ME
1402 of 21.79 pCi/L
(1.54 to 2.05 pCi/L)
9Grandeur Mobile Home Estates
Carmel, ME
1001 of 11.48 pCi/L
(1.48 pCi/L)
10White Birches Mobile Home Park
Damariscotta, ME
581 of 11.34 pCi/L
(1.34 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 Maine

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

Violation TypeNumber of Violations
Over maximum contaminant level, Single Sample3
Failure to monitor regularly2
Over maximum contaminant level, Average2