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EWG's Tap Water Database — 2021 UPDATE

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Diazinon (Spectracide)

Pasadena

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.

 

20

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
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017ND100ND
2018ND100ND
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
2017-08-089588-005-0935ND
2017-08-089588-047-1200ND
2017-08-089588-006-1030ND
2017-08-089588-010-1305ND
2017-08-089588-018-0945ND
2017-08-089588-019-0910ND
2017-08-089588-045-0920ND
2017-08-089588-001-1145ND
2017-08-089588-023-1100ND
2017-08-089588-028-1120ND
2018-05-229588-021-1225ND
2018-05-229588-047-0910ND
2018-05-229588-045-1025ND
2018-05-229588-028-0855ND
2018-05-229588-023-1135ND
2018-05-229588-019-1200ND
2018-05-229588-018-0950ND
2018-05-229588-005-1240ND
2018-08-139588-021-0945ND
2018-08-219588-001-0810ND