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EWG's Tap Water Database — 2019 UPDATE

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Endrin

Bellefonte Borough Water Authority

Endrin is a banned organochlorine insecticide that is persistent and bioaccumulative. Endrin damages the nervous, immune and reproductive systems in people. It also harms fish, birds and other wildlife.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND40ND
2013N/A00N/A
20140.0800 ppb31ND - 0.240 ppb
2015ND10ND
2016ND50ND
2017ND50ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.3 ppb

The EWG Health Guideline of 0.3 ppb for endrin 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 change to the heart and blood vessels.

EPA Maximum Contaminant
Level (MCL) 2 ppb

The legal limit for endrin, established in 1992, was based on a toxicity study in laboratory animals conducted in the 1960s.

ppb = parts per billion

All test results

Date Lab ID Result
2012-04-0512040671ND
2012-04-1912041363ND
2012-08-1612081884ND
2012-10-1812101416-01ND
2014-06-1114061493-010.240 ppb
2014-08-2114082551-01ND
2014-11-2014112091-01ND
2015-07-1613061456ND
2016-03-1614031417ND
2016-06-1514803332ND
2016-06-1514635290ND
2016-09-2214974642ND
2016-11-1715428404ND
2017-03-2215849490ND
2017-05-1616319933ND
2017-05-1616319907ND
2017-08-1716628600ND
2017-08-1716628629ND