Know Your Environment. Protect Your Health.

Dalapon

Lacey Water Department

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

 

13

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
2019N/A00N/A
2020N/A00N/A
2021ND20ND
2022ND90ND
2023ND20ND

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
2021-05-054115199ND
2021-12-064216632ND
2022-05-244286813ND
2022-05-244286812ND
2022-05-244286810ND
2022-08-104331461ND
2022-08-104331473ND
2022-08-104331472ND
2022-08-114331474ND
2022-08-114331471ND
2022-08-114331475ND
2023-03-304434581ND
2023-06-214481504ND