Know Your Environment. Protect Your Health.

Dinoseb

City of Deridder Water System

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

 

20

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
2019ND160ND
2020N/A00N/A
2021N/A00N/A
2022ND40ND
2023N/A00N/A

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
2019-10-0735504189004ND
2019-10-0735504189003ND
2019-10-0735504189002ND
2019-10-0735504189001ND
2019-10-0735504189002ND
2019-10-0735504189003ND
2019-10-0735504189004ND
2019-10-0735504189001ND
2019-11-0835511719002ND
2019-11-0835511719004ND
2019-11-0835511719003ND
2019-11-0835511719002ND
2019-11-0835511719001ND
2019-11-0835511719004ND
2019-11-0835511719003ND
2019-11-0835511719001ND
2022-07-1835733762001ND
2022-07-1835733762002ND
2022-07-1835733762003ND
2022-07-1835733762004ND