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EWG's Tap Water Database — 2021 UPDATE

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Diazinon (Spectracide)

Central Coast Water Authority

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.

 

5

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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
2014-05-019590-002-0715ND
2015-05-069590-002-0730ND
2016-05-049590-002-1000ND
2018-05-029590-002-0800ND
2019-04-309590-002-1055ND