Know Your Environment. Protect Your Health.

Dalapon

City of Deridder Water System

The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.

 

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): 200 ppb

The legal limit for dalapon, established in 1992, was based on a toxicity study in laboratory animals published in 1960.

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