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EWG's Tap Water Database — 2021 UPDATE

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Dieldrin

Halfway Water Supply Corporation

Dieldrin is a highly toxic insecticide that was banned in the 1970s due to its persistence in the environment and toxicity to people and wildlife.

 

4

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015N/A00N/A
2016N/A00N/A
2017ND20ND
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-04Q1403564003ND
2014-02-04Q1403564004ND
2017-11-14Q1758338003ND
2017-11-14Q1758338007ND