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National Drinking Water Database


Dibenz[a,h]anthracene in Delaware


Dibenz[a,h]anthracene a polycyclic aromatic hydrocarbon (PAH) released from the incomplete combustion of fossil fuels.

The Most Polluted Communities in Delaware

2 water utilities reported detecting Dibenz[a,h]anthracene in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Dibenz[a,h]anthracene level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Long Neck Water Company
Long Neck, DE
14,8201 of 6< 0.01 ppb
(0 to 0.03 ppb)
2Artesian Water Company
Newark, DE
201,0001 of 73< 0.01 ppb
(0 to 0.3 ppb)

Health Based Limits for Dibenz[a,h]anthracene

StandardDescriptionLevel
EPA Human Health Water Quality CriteriaWater quality criteria set by the US EPA provide guidance for states and tribes authorized to establish water quality standards under the Clean Water Act (CWA) to protect human health. These are non-enforceable standards based upon exposure by both drinking water and the contribution of water contamination to other consumed foods. Source: U.S. Environmental Protection Agency.<0.01 ppb

Violation Summary for Dibenz[a,h]anthracene in Delaware

There are no violations reported for this contaminant in Delaware