The Power of Information

National Drinking Water Database

Combined Radium (-226 & -228) in South Carolina

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

The Most Polluted Communities in South Carolina

15 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
1Allendale Ind Pk
Allendale, SC
3,0001 of 11.9 pCi/L
(1.9 pCi/L)
2Jackson Mhp
Barnwell, SC
621 of 31.17 pCi/L
(0 to 3.5 pCi/L)
3Bamberg-Public Works
Bamberg, SC
5,4081 of 11.1 pCi/L
(1.1 pCi/L)
4Jericho Trailer Park
Adams Run, SC
1351 of 10.8 pCi/L
(0.8 pCi/L)
5Town of Ehrhardt
Ehrhardt, SC
6141 of 10.4 pCi/L
(0.4 pCi/L)
6Town of Jackson
Jackson, SC
6,2101 of 130.32 pCi/L
(0 to 4.1 pCi/L)
7City of Aiken-Vale Svc C
Aiken, SC
1161 of 10.3 pCi/L
(0.3 pCi/L)
8Town of Omi-Blackville
Blackville, SC
3,1661 of 30.17 pCi/L
(0 to 0.5 pCi/L)
9Town of Olar
Olar, SC
2371 of 20.15 pCi/L
(0 to 0.3 pCi/L)
10Oakhill S/D
Aiken, SC
2351 of 40.15 pCi/L
(0 to 0.6 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 South Carolina

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

Violation TypeNumber of Violations
Over maximum contaminant level, Average157
Failure to notify public of violation6
Over maximum contaminant level, Single Sample1