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National Drinking Water Database


m- & p- Xylene in Delaware


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

The Most Polluted Communities in Delaware

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

Ranked by highest average m- & p- Xylene level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Delaware City Water Department
Delaware City, DE
2,2201 of 33.8 ppb
(0 to 11.4 ppb)
2Seaford Water Department
Seaford, DE
6,6991 of 73.76 ppb
(0 to 26.3 ppb)
3Beaver Creek
DE
3503 of 72.9 ppb
(0 to 12.3 ppb)
4Bethany Beach Water Department
Bethany Beach, DE
12,1281 of 62.75 ppb
(0 to 16.5 ppb)
5Oak Crest Farms
Dover, DE
5312 of 80.73 ppb
(0 to 5.06 ppb)
6Thomas Cove
Newark, DE
3,4008 of 260.7 ppb
(0 to 7.7 ppb)
7Pepper Ridge Park
DE
1802 of 60.68 ppb
(0 to 2.2 ppb)
8Delaware Correctional Center
Smyrna, DE
2,0001 of 100.67 ppb
(0 to 6.7 ppb)
9Kenton District
DE
662 of 70.66 ppb
(0 to 2.4 ppb)
10Selbyville Water Department
Selbyville, DE
1,6451 of 180.23 ppb
(0 to 4.1 ppb)

Health Based Limits for m- & p- Xylene

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.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 m- & p- Xylene in Delaware

There are no violations reported for this contaminant in Delaware