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National Drinking Water Database


National Drinking Water Database - Chemical Contaminants

Gamma Chlordane


Status: Unregulated - EPA has not established a maximum legal limit in tapwater for this contaminant.

Gamma chlordane is an isomer of the highly toxic organochlorine insecticide chlordane banned by EPA; it is bioaccumulative and pollutes the bodies of adults and newborn babies.

 
Detected
Found above
health guidelines
Found above
legal limit
States
1
-
-
Water utilities
1
-
-
People Served
201,000
-
-

Gamma Chlordane Exposure by State

Water utilities in 1 states have reported detecting Gamma Chlordane in treated tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies.

StateWater Suppliers with Gamma Chlordane contamination
SystemsPopulation
Delaware1201,000
Total1201,000

The Most Polluted Communities

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

Ranked by highest average Gamma Chlordane level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Artesian Water Company
Newark, DE
201,0007 of 68< 0.01 ppb
(0 to 0.04 ppb)

Testing Summary for Gamma Chlordane

Are tests routinely required for Gamma Chlordane by federal law?No
Water suppliers reporting tests for Gamma Chlordane (2004-2008):152 of 47,576
Average testing rate for water supplier reporting tests (2004-2008):0.4 per year