Know Your Environment. Protect Your Health.

Dalapon

Norwalk First Taxing District

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

 

5

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
2019ND20ND
2020N/A00N/A
2021ND10ND
2022ND10ND
2023ND10ND

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
2019-09-12214-15433SOC5ND
2019-11-07214-15440SOC5ND
2021-03-11214-17905SOC5ND
2022-04-21214-19954SOC5ND
2023-04-13214-21980SOC5ND