Know Your Environment. Protect Your Health.

Dalapon

Purcellville, Town of

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

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND20ND
2020N/A00N/A
2021ND40ND
2022N/A00N/A
2023ND40ND

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
2018-03-13E180100344ND
2018-05-23E180303866ND
2018-05-30E180303847ND
2018-08-21E180601978ND
2018-08-28E180601963ND
2019-03-21E190302944ND
2019-03-21E190302955ND
2021-02-24E210100124ND
2021-05-17E210400627ND
2021-05-24E210400641ND
2021-08-18E210601483ND
2023-01-25E221203942ND
2023-05-31E230305396ND
2023-05-31E230305419ND
2023-08-22E230603361ND