The Power of Information

National Drinking Water Database


Alpha particle activity (excl radon and uranium) in Maine


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

The Most Polluted Communities in Maine

224 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)
1Nichols Trailer Park
Shelburne, ME
752 of 238.65 pCi/L
(37.6 to 39.7 pCi/L)
2Howards Trailer Park
Bucksport, ME
654 of 433.75 pCi/L
(31.6 to 37.1 pCi/L)
3Happy Trails Mhp
Topsham, ME
3311 of 1132.3 pCi/L
(26.9 to 37.5 pCi/L)
4Pines Trailer Park
Damariscotta, ME
502 of 229.55 pCi/L
(15.6 to 43.5 pCi/L)
5Pinewood Acres Trailer Park
Bowdoin, ME
952 of 227 pCi/L
(26.8 to 27.2 pCi/L)
6Range Pond Apts Poland Spring
Cumberland, ME
301 of 126.76 pCi/L
(26.76 pCi/L)
7Stonington Water Company
Stonington, ME
6032 of 226.45 pCi/L
(25.5 to 27.4 pCi/L)
8Knights Hill Association
Bridgton, ME
6802 of 226.25 pCi/L
(11 to 41.5 pCi/L)
9Whippoorwill Hill Mobile Home
Waterville, ME
852 of 224.15 pCi/L
(22.5 to 25.8 pCi/L)
10Muirfield Village
Osterville, ME
332 of 222.45 pCi/L
(20.9 to 24 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 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, Average9
Failure to monitor regularly5
Over maximum contaminant level, Single Sample3