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EWG's Tap Water Database — 2021 UPDATE

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Aldrin

Concord Water Department

Aldrin is a pesticide that was banned in the 1970s due to its toxicity to people and wildlife, and its tendency to persist and accumulate in the environment.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016ND130ND
2017ND10ND
2018N/A00N/A
2019ND20ND

ppb = parts per billion

All test results

Date Result
2016-01-07ND
2016-01-07ND
2016-02-04ND
2016-02-16ND
2016-02-18ND
2016-04-21ND
2016-07-26ND
2016-08-10ND
2016-08-18ND
2016-08-25ND
2016-08-25ND
2016-09-13ND
2016-09-29ND
2017-10-04ND
2019-01-15ND
2019-07-11ND