Know Your Environment. Protect Your Health.

Dalapon

Williamston, Town of

NOTE: Williamston, Town of purchases water from Martin County Regional WASA which is required to test for dalapon. Sample information shown below was taken by Martin County Regional WASA.

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

 

4

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020ND90ND
2021ND40ND
2022ND10ND
2023ND80ND

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

NOTE: Williamston, Town of purchases water from Martin County Regional WASA which is required to test for dalapon. Sample information shown below was taken by Martin County Regional WASA.

Date Lab ID Result
2020-01-087442-010820-E01SND
2020-04-017442-040120-E01SND
2023-01-037451-010323-E01SND
2023-04-057451-040523-E01SND