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EWG's Tap Water Database — 2019 UPDATE

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Hexachlorocyclopentadiene

Emmaus Borough Public Water

Hexachlorocyclopentadiene was historically used for the manufacture of currently banned pesticides, such as endrin, dieldrin and chlordane. Itís still used for production of flame retardants, resins and plastics.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
2014ND80ND
2015N/A00N/A
2016N/A00N/A
2017ND80ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 2 ppb

The EWG Health Guideline of 2 ppb for hexachlorocyclopentadiene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to the stomach and intestines.

EPA Maximum Contaminant
Level (MCL) 50 ppb

The legal limit for hexachlorocyclopentadiene, established in 1992, was based on a toxicity study in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2014-05-27140021797ND
2014-05-27140021795ND
2014-05-27140021798ND
2014-05-27140021796ND
2014-08-2838949ND
2014-08-2838946ND
2014-08-2838948ND
2014-08-2838947ND
2017-05-2416304208ND
2017-05-2416304207ND
2017-05-2416304206ND
2017-05-2416304209ND
2017-08-3116771695ND
2017-08-3116771696ND
2017-08-3116771697ND
2017-08-3116771694ND