Know Your Environment. Protect Your Health.

Dalapon

Caddo Lake Water Supply Corporation

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
2018ND20ND
2019ND10ND
2020ND10ND
2021ND20ND
2022ND10ND
20232.36 ppb112.36 ppb

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
2018-09-20Q1837726007ND
2018-09-20Q1837726008ND
2019-06-10Q1933418012ND
2020-10-22Q2041223005ND
2021-05-24Q2113525005ND
2021-05-24Q2113525006ND
2022-11-22Q2235079003ND
2023-06-29Q23251570052.36 ppb