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EWG's Tap Water Database — 2021 UPDATE

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Diazinon (Spectracide)

SCWA Mather-Sunrise

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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND80ND
2015ND70ND
2016N/A00N/A
2017N/A00N/A
2018ND60ND
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
2014-08-135810-017-1106ND
2014-08-135810-016-1145ND
2014-08-135810-015-1205ND
2014-08-135810-008-0800ND
2014-08-135810-007-0817ND
2014-08-135810-006-1005ND
2014-08-135810-001-0914ND
2014-08-135810-002-0842ND
2015-08-195810-001-1227ND
2015-08-195810-002-1324ND
2015-08-195810-006-1155ND
2015-08-195810-007-1037ND
2015-08-205810-015-0930ND
2015-08-205810-016-0856ND
2015-08-205810-017-0819ND
2018-08-095810-001-1438ND
2018-08-095810-015-1526ND
2018-08-095810-006-1416ND
2018-08-095810-002-1354ND
2018-08-165810-016-1343ND
2018-09-195810-017-0930ND
2019-05-065810-007-1415ND