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EWG's Tap Water Database — 2021 UPDATE

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Diazinon (Spectracide)

UC - Davis

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND90ND
2015ND10ND
2016N/A00N/A
2017N/A00N/A
2018ND60ND
2019N/A00N/A

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
2014-03-255810-026-1050ND
2014-05-205810-026-0650ND
2014-09-045810-026-0900ND
2014-12-095810-001-1030ND
2014-12-095810-002-0930ND
2014-12-095810-004-1115ND
2014-12-095810-015-0840ND
2014-12-095810-016-1200ND
2014-12-185810-011-1300ND
2015-02-195810-014-1030ND
2018-12-045810-001-1015ND
2018-12-045810-002-1050ND
2018-12-045810-004-1130ND
2018-12-045810-014-0920ND
2018-12-045810-015-1230ND
2018-12-045810-026-1200ND