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National Drinking Water Database


Endosulfan II in Delaware


Endosulfan II (beta) is an isomer of the insecticide endosulfan used on food crops such as grains, tea, fruits, vegetables, on nonfood crops, and as a wood preservative; it is bioaccumulative, persistent, and a potential endocrine disruptor.

The Most Polluted Communities in Delaware

1 water utilities reported detecting Endosulfan II in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Endosulfan II level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Artesian Water Company
Newark, DE
201,0001 of 83< 0.01 ppb
(0 to 0.02 ppb)

Health Based Limits for Endosulfan II

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.62 ppb

Violation Summary for Endosulfan II in Delaware

There are no violations reported for this contaminant in Delaware