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EWG's Tap Water Database — 2021 UPDATE

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Diazinon (Spectracide)

Solano Irrigation District - Pleasant Hills Ranch

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.

 

10

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
2018ND30ND
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
2014-03-125810-001-1110ND
2014-03-125810-003-1155ND
2017-03-155810-001-1140ND
2017-03-155810-003-1050ND
2017-04-045810-001-0820ND
2017-04-105810-001-0904ND
2017-06-135810-001-0820ND
2018-05-105810-004-1015ND
2018-08-235810-004-0920ND
2018-11-155810-004-1120ND