Know Your Environment. Protect Your Health.

Diazinon (Spectracide)

Stanislaus Regional Water Authority

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND20ND
2020ND20ND
2021ND10ND
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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 non-cancer toxicity.

ppb = parts per billion

All test results

Date Lab ID Result
2018-09-12CA5010043_001_001-201809120915ND
2019-03-14CA5010043_001_001-201903140900ND
2019-09-19CA5010043_001_001-201909191030ND
2020-04-16CA5010043_001_001-202004160830ND
2020-09-17CA5010043_001_001-202009170900ND
2021-03-18CA5010043_001_001-202103180820ND