Know Your Environment. Protect Your Health.

Dinoseb

St Charles Water District 1 East Bank

Dinoseb is a herbicide that causes birth defects and reproductive difficulties. It has been banned in the U.S. since 1986.

 

29

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND80ND
2020ND40ND
2021ND40ND
2022ND50ND
2023ND40ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EPA Maximum Contaminant
Level (MCL): 7 ppb

The legal limit for dinoseb, established in 1992, was based on toxicity studies conducted in laboratory animals in the 1970s and 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-2335370117001ND
2018-01-2335370117001ND
2018-07-1735405500001ND
2018-07-1735405500001ND
2019-01-2235444037001ND
2019-01-2235444038001ND
2019-01-2235444037001ND
2019-01-2235444038001ND
2019-07-2535485229002ND
2019-07-2535485229001ND
2019-07-2535485229002ND
2019-07-2535485229001ND
2020-03-0535535509001ND
2020-03-0535535509002ND
2020-11-1035591297001ND
2020-11-1035591292001ND
2021-01-2835608065001ND
2021-01-2835608065002ND
2021-10-2535673766001ND
2021-10-2535673766002ND
2022-02-0235694868001ND
2022-02-0235694870001ND
2022-08-2435742576001ND
2022-08-2435742579001ND
2022-08-2435742769001ND
2023-03-2035787602001ND
2023-03-2035787604001ND
2023-11-2835844322001ND
2023-11-2835844330001ND