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EWG's Tap Water Database — 2021 UPDATE

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Diazinon (Spectracide)

Montara Water and Sanitary 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.

MORE ABOUT THIS CONTAMINANT

 

38

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND40ND
2016ND80ND
2017ND50ND
2018ND50ND
2019ND80ND

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
2014-08-275810-001-1140ND
2014-08-275810-014-1020ND
2014-08-275810-003-1000ND
2014-08-275810-011-0900ND
2014-12-015810-011-1350ND
2014-12-085810-014-1030ND
2014-12-085810-001-1110ND
2014-12-085810-003-1110ND
2015-10-199590-031-1050ND
2015-10-199590-030-0850ND
2015-10-199590-032-1015ND
2015-12-235810-015-0925ND
2016-01-285810-011-0930ND
2016-03-145810-015-0850ND
2016-05-195810-010-1030ND
2016-05-195810-008-0950ND
2016-05-315810-012-1000ND
2016-08-245810-010-1100ND
2016-08-245810-012-0945ND
2016-08-245810-008-1015ND
2017-07-205810-003-1120ND
2017-07-205810-001-0930ND
2017-11-085810-001-1105ND
2017-11-085810-014-0920ND
2017-11-085810-003-0940ND
2018-02-085810-014-0845ND
2018-11-135810-015-0840ND
2018-11-155810-030-0900ND
2018-11-155810-031-0815ND
2018-11-155810-032-0835ND
2019-02-125810-015-0935ND
2019-02-195810-030-0940ND
2019-02-195810-031-0910ND
2019-02-195810-032-1000ND
2019-04-165810-010-1020ND
2019-04-165810-008-1045ND
2019-08-055810-010-0920ND
2019-08-055810-008-1050ND