Know Your Environment. Protect Your Health.

Dalapon

Stanislaus Regional Water Authority

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

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND10ND
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
2018-09-12CA5010043_001_001-201809120915ND
2019-03-14CA5010043_001_001-201903140900ND
2019-09-19CA5010043_001_001-201909191030ND
2020-04-16CA5010043_001_001-202004160830ND
2020-09-17CA5010043_001_001-202009170900ND
2021-03-18CA5010043_001_001-202103180820ND
2021-09-16CA5010043_001_001-202109160830ND
2022-03-17CA5010043_001_001-202203170831ND