Know Your Environment. Protect Your Health.

Diazinon (Spectracide)

Johnson Creek Water Users Association

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND30ND
2020N/A00N/A
2021ND30ND
2022ND40ND
2023ND10ND

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
2019-04-10ND
2019-07-17ND
2019-10-08ND
2021-05-104115309ND
2021-09-174182416ND
2021-12-014215622ND
2022-03-074256934ND
2022-05-164287145ND
2022-09-124356448ND
2022-12-064399958ND
2023-03-314437051ND