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National Drinking Water Database

Combined Radium (-226 & -228) in Alabama

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

The Most Polluted Communities in Alabama

12 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
1Beauregard Water Authority
Opelika, AL
8,6941 of 13.15 pCi/L
(3.15 pCi/L)
2Frisco City Water System
Frisco City, AL
2,4001 of 12.35 pCi/L
(2.35 pCi/L)
3Mobile Area Water & Sewer System
Mobile, AL
274,9953 of 31.47 pCi/L
(1.2 to 1.9 pCi/L)
4Hanceville Water Works
Hanceville, AL
5,8111 of 11.4 pCi/L
(1.4 pCi/L)
5Henry County Water Authority
Abbeville, AL
6,7831 of 11.2 pCi/L
(1.2 pCi/L)
6Summerdale Water Works
Summerdale, AL
1,0711 of 11.14 pCi/L
(1.14 pCi/L)
7Water Works Board of Prattville
Prattville, AL
39,0001 of 11 pCi/L
(1 pCi/L)
8Madison Water Works & Sewer
Madison, AL
39,0514 of 40.51 pCi/L
(0.2 to 0.77 pCi/L)
9Elba Water Works
Elba, AL
6,0151 of 10.46 pCi/L
(0.46 pCi/L)
10Ardmore Water System
Ardmore, AL
3,6001 of 10.24 pCi/L
(0.24 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 Alabama

There are no violations reported for this contaminant in Alabama