Know Your Environment. Protect Your Health.

Dalapon

Town of Hampstead

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

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019N/A00N/A
2020ND10ND
2021ND80ND
2022ND20ND
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
2018-10-02E19001152003ND
2018-10-02E19001152005ND
2018-10-02E19001152007ND
2018-10-02E19001152009ND
2018-10-02E19001152011ND
2018-10-02E19001152001ND
2020-07-29E21000293001ND
2021-01-31E21001849001ND
2021-04-08E22000815006ND
2021-06-03E21003569001ND
2021-06-03E21003570001ND
2021-09-08E22000815001ND
2021-09-08E22000815011ND
2021-09-08E22000815016ND
2021-09-08E22000815021ND
2022-05-25E2201063601ND
2022-08-03E2300023805ND