The Power of Information

National Drinking Water Database

o-Xylene in Maryland

o-Xylene is a petroleum-derived solvent used in the printing, rubber, and leather industries; it is also used as a cleaning agent, a thinner for paint, and an ingredient in paints and varnishes.

The Most Polluted Communities in Maryland

17 water utilities reported detecting o-Xylene in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average o-Xylene level

RankSystem Population Served Positive test results of total reported tests Average Level
1Misty Meadows 2 Mobile Home Park
Kingsville, MD
701 of 12.6 ppb
(2.6 ppb)
2Strawberry Hills
La Plata, MD
1,5051 of 21.62 ppb
(0 to 3.23 ppb)
3Marley Run
Prince Frederick, MD
1711 of 11.6 ppb
(1.6 ppb)
4Cross Point Subdivision
Prince Frederick, MD
4621 of 21.3 ppb
(0 to 2.6 ppb)
5Persimmon Hills
Hollywood, MD
2281 of 11 ppb
(1 ppb)
6Town of Snow Hill
Snow Hill, MD
2,4091 of 50.92 ppb
(0 to 4.6 ppb)
7Maybelle Manor Mobile Home Park
Forest Hill, MD
504 of 50.78 ppb
(0 to 1.4 ppb)
Chestertown, MD
7251 of 10.7 ppb
(0.7 ppb)
9Perry Point V.A. Hospital
Perry Point, MD
2,0001 of 20.65 ppb
(0 to 1.3 ppb)
10Manchester Park
Elkton, MD
4002 of 50.6 ppb
(0 to 1.7 ppb)

Health Based Limits for o-Xylene

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.10000 ppb
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.10000 ppb

Violation Summary for o-Xylene in Maryland

There are no violations reported for this contaminant in Maryland