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EWG's Tap Water Database — 2021 UPDATE

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Diazinon (Spectracide)

United Water Cons District

Diazinon is a toxic pesticide. The EPA banned residential uses in 2004 and restricted uses on food crops due to safety concerns. Diazinon exposures damage the nervous system, especially during gestation and childhood.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND40ND
2016ND20ND
2017ND10ND
2018ND20ND
2019ND30ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 1 ppb

The EWG Health Guideline of 1 ppb for diazinon was defined by the Environmental Protection Agency as a lifetime health-based limit for effects other than cancer. This health guideline protects against .

ppb = parts per billion

All test results

Date Lab ID Result
2014-08-135867-008-0810ND
2014-08-135867-013-0900ND
2015-02-175867-026-0905ND
2015-08-125867-004-0716ND
2015-08-125867-007-0736ND
2015-08-125867-010-0830ND
2016-08-115867-017-0752ND
2016-08-115867-026-0732ND
2017-08-095867-008-0806ND
2018-08-085867-004-0820ND
2018-08-085867-007-0849ND
2019-08-145867-013-0855ND
2019-08-145867-017-0925ND
2019-08-145867-027-0915ND