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National Drinking Water Database

Combined Radium (-226 & -228) in Rhode Island

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

The Most Polluted Communities in Rhode Island

19 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
1Saugatucket Springs
Hopkinton, RI
1103 of 41.73 pCi/L
(0 to 3.22 pCi/L)
2Stone Bridge Fire District
Tiverton, RI
2,5001 of 11.7 pCi/L
(1.7 pCi/L)
3United Water Rhode Island
Wakefield, RI
17,5006 of 91.58 pCi/L
(0 to 6.28 pCi/L)
4Split Rock Corporation
Exeter, RI
1103 of 41.5 pCi/L
(0 to 2.56 pCi/L)
5The Village ON Chopmist Hill
Glocester, RI
2501 of 11.18 pCi/L
(1.18 pCi/L)
6Kent County Water Authority
West Warwick, RI
70,0001 of 21.06 pCi/L
(0 to 2.12 pCi/L)
7University of Rhode Island
South Kingstown, RI
14,5001 of 10.92 pCi/L
(0.92 pCi/L)
8Jamestown Water Department
Jamestown, RI
3,1781 of 20.89 pCi/L
(0 to 1.77 pCi/L)
9Sunset Cove Recreation Area
West Glocester, RI
301 of 30.74 pCi/L
(0 to 2.23 pCi/L)
10Harrisville Fire District
Harrisville, RI
2,6421 of 10.67 pCi/L
(0.67 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 Rhode Island

There are no violations reported for this contaminant in Rhode Island