The Power of Information

National Drinking Water Database

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

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

The Most Polluted Communities in North Carolina

348 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
1Countryside Villa
Wade, NC
606 of 612.21 pCi/L
(10.32 to 14.5 pCi/L)
2Town of Broadway
Broadway, NC
1,4766 of 610.01 pCi/L
(8.1 to 11.4 pCi/L)
3Brookhaven Village
Henderson, NC
10910 of 109.64 pCi/L
(7.75 to 12.1 pCi/L)
4Tanglewood South Mhpfayetteville Pwc
Fayetteville, NC
2678 of 89.48 pCi/L
(5.87 to 12 pCi/L)
5Stonehenge S/D
Raleigh, NC
1,80022 of 228.61 pCi/L
(2.2 to 14.9 pCi/L)
6Southgate S/D
Clayton, NC
1508 of 88.45 pCi/L
(5.2 to 12.8 pCi/L)
7Rain Tree II Fayetteville Pwc
Fayetteville, NC
31214 of 147.95 pCi/L
(2.9 to 11.2 pCi/L)
8Lindsey Point S/D
Zebulon, NC
6518 of 207.84 pCi/L
(0 to 13.3 pCi/L)
9Wilders Ridge S/D
Garner, NC
5166 of 67.72 pCi/L
(3.8 to 12.5 pCi/L)
10Gold Hill Air Park
384 of 47.37 pCi/L
(5.84 to 9.77 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 North Carolina

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

Violation TypeNumber of Violations
Failure to monitor regularly516
Over maximum contaminant level, Average353
Over maximum contaminant level, Single Sample4