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National Drinking Water Database


Combined Uranium (pCi/L) in Maryland


Uranium is a radioactive element commonly found in most rocks; processed ore is used for power generation and weapons manufacture. [read more]

The Most Polluted Communities in Maryland

15 water utilities reported detecting Combined Uranium (pCi/L) in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Combined Uranium (pCi/L) level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Town of Poolesville
Poolesville, MD
5,10020 of 2115.58 pCi/L
(0 to 30.4 pCi/L)
2Mount Saint Mary's University
Emmitsburg, MD
1,9009 of 915.51 pCi/L
(1 to 31.1 pCi/L)
3Holly Hall
Elkton, MD
4,1051 of 113.8 pCi/L
(13.8 pCi/L)
4City of Taneytown
Taneytown, MD
6,7506 of 610.58 pCi/L
(1 to 14.3 pCi/L)
5Gilberts Mobile Home Park
Myersville, MD
751 of 16.6 pCi/L
(6.6 pCi/L)
6Concord Estates Mobile Home Park
Waldorf, MD
15014 of 143.89 pCi/L
(1.6 to 5.8 pCi/L)
7Harbor View
Charlestown, MD
4378 of 102 pCi/L
(0 to 4.8 pCi/L)
8Town & Country Mobile Home Park
North East, MD
4501 of 11.7 pCi/L
(1.7 pCi/L)
9Woodstock Job Corps Center
Woodstock, MD
6752 of 21.45 pCi/L
(1.4 to 1.5 pCi/L)
10Naval Support Facility, Indian Head
Indian Head, MD
3,4601 of 11.3 pCi/L
(1.3 pCi/L)

Health Based Limits for Combined Uranium (pCi/L)

StandardDescriptionLevel
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

Violation Summary for Combined Uranium (pCi/L) in Maryland

There are no violations reported for this contaminant in Maryland