Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Dieldrin

Benton - Washington Regional Public Water Authority

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.

 

9

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
2017ND50ND
2018ND20ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-1114072007506ND
2014-04-0114092001306ND
2017-01-3117033014206ND
2017-03-2217082000301ND
2017-04-1817110001206ND
2017-09-2617271001901ND
2017-11-2017326001201ND
2018-01-2418025006101ND
2018-02-2718059002001ND