The Power of Information

National Drinking Water Database


Alpha particle activity (excl radon and uranium) in Rhode Island


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

The Most Polluted Communities in Rhode Island

13 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)
1South Kingstown Nursing and Rehabilitati
West Kingston, RI
1753 of 319.99 pCi/L
(12.18 to 31.8 pCi/L)
2Shadow Woods AT Deer Brook
Exeter, RI
304 of 415 pCi/L
(9.43 to 25.3 pCi/L)
3Split Rock Corporation
Exeter, RI
1104 of 48.42 pCi/L
(6.06 to 15.02 pCi/L)
4United Water Rhode Island
Wakefield, RI
17,5006 of 96.39 pCi/L
(0 to 17.3 pCi/L)
5Sunset Cove Recreation Area
West Glocester, RI
303 of 35.65 pCi/L
(3.91 to 7.82 pCi/L)
6The Village ON Chopmist Hill
Glocester, RI
2501 of 13.7 pCi/L
(3.7 pCi/L)
7Slatersville Public Supply
Slatersville, RI
3,0001 of 11.8 pCi/L
(1.8 pCi/L)
8Westerly Water Department
Westerly, RI
38,0008 of 81.79 pCi/L
(0.08 to 2.6 pCi/L)
9Echo Lake Water District
Chepachet, RI
2001 of 21.71 pCi/L
(0 to 3.41 pCi/L)
10Bristol County Water Authority
Warren, RI
51,0001 of 11.27 pCi/L
(1.27 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 Rhode Island

There are no violations reported for this contaminant in Rhode Island