Know Your Environment. Protect Your Health.

Dalapon

Bryan County Rural Water, Sewer & Solid Waste Management District #2

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

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND50ND
2020ND20ND
2021ND20ND
2022ND20ND
20230.500 ppb31ND - 1.50 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
2018-08-2918081323ND
2018-12-191812500ND
2019-02-061902151ND
2019-03-131903384ND
2019-04-171904501ND
2019-09-181909634ND
2019-12-181912629ND
2020-02-192002512ND
2020-07-22102000-01ND
2021-02-17104910-01ND
2021-07-14107198-01ND
2022-01-12109841-01ND
2022-07-20112533-01ND
2023-01-04114931-01ND
2023-07-12117946-011.50 ppb
2023-10-04119263-01ND