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EWG's Tap Water Database — 2021 UPDATE

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Dieldrin

Connecticut Water Company - Northern Reg-reservoir Heights

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.

 

0

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.0158 ppb125ND - 0.0900 ppb
20150.0731 ppb126ND - 0.380 ppb
20160.160 ppb550.0300 ppb - 0.300 ppb
20170.0266 ppb54ND - 0.0430 ppb
20180.0184 ppb127ND - 0.0420 ppb
20190.0197 ppb158ND - 0.0480 ppb

ppb = parts per billion

All test results

Date Lab ID Result