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EWG's Tap Water Database — 2021 UPDATE

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Diazinon (Spectracide)

California Water Service Company - Dominguez

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.

 

37

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
2015ND150ND
2016ND30ND
2017ND20ND
2018ND140ND
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
2015-03-255810-018-1330ND
2015-05-069590-036-1435ND
2015-05-069590-023-1325ND
2015-05-069590-024-1050ND
2015-05-069590-019-1015ND
2015-05-069590-004-1515ND
2015-05-139590-050-1250ND
2015-05-209590-016-1312ND
2015-05-209590-022-1330ND
2015-08-059590-050-1147ND
2015-08-129590-036-1322ND
2015-08-129590-019-1005ND
2015-08-129590-023-1115ND
2015-08-129590-004-1140ND
2015-08-199590-024-1040ND
2016-03-239590-018-1340ND
2016-08-249590-018-1015ND
2016-12-289590-019-0930ND
2017-03-089590-019-1430ND
2017-10-169590-805-1030ND
2018-05-029590-018-1339ND
2018-05-029590-004-1409ND
2018-05-029590-036-1330ND
2018-05-029590-024-1015ND
2018-05-029590-023-1100ND
2018-05-079590-050-1305ND
2018-05-309590-019-1030ND
2018-08-019590-019-1055ND
2018-08-019590-024-1435ND
2018-08-019590-018-1020ND
2018-08-019590-023-1130ND
2018-08-019590-036-1315ND
2018-08-019590-004-1320ND
2018-08-019590-050-1035ND
2019-02-219590-065-1345ND
2019-12-199590-022-1325ND
2019-12-269590-016-1245ND