Know Your Environment. Protect Your Health.

Diquat

Taylors Mobile Home Park

Diquat is a herbicide used on potato crops and aquatic weeds.

 

10

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
2019ND80ND
2020N/A00N/A
2021N/A00N/A
2022ND20ND
2023N/A00N/A

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 6 ppb

The EWG Health Guideline of 6 ppb for diquat was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cataracts.

EPA Maximum Contaminant
Level (MCL): 20 ppb

The legal limit for diquat, established in 1992, was based on a toxicity study in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2019-03-199009271-01ND
2019-03-199009271-02ND
2019-05-229004065-01ND
2019-05-229001847-01ND
2019-09-179000879-01ND
2019-09-179001529-01ND
2019-11-199005854-01ND
2019-11-199005865-01ND
2022-05-1626638141.00ND
2022-05-1626638142.00ND