Know Your Environment. Protect Your Health.

Dalapon

Appleby 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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019N/A00N/A
2020ND50ND
2021ND30ND
2022ND40ND
20230.334 ppb82ND - 1.64 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
2018-01-30Q1803539008ND
2018-04-18Q1815998031ND
2020-05-06Q2017875037ND
2020-05-06Q2017875038ND
2020-05-06Q2017875039ND
2020-05-06Q2017875040ND
2020-05-06Q2017875041ND
2021-02-01Q2102897024ND
2021-07-26Q2119473007ND
2021-10-12Q2128274007ND
2022-02-01Q2203639014ND
2022-05-16Q2214437009ND
2022-09-06Q2226362006ND
2022-11-08Q2233715007ND
2023-03-07Q2308836006ND
2023-03-22Q2310842014ND
2023-03-22Q2310842015ND
2023-06-19Q23230520021.64 ppb
2023-08-14Q2333697009ND
2023-08-14Q2333697010ND
2023-10-23Q2345174007ND
2023-10-23Q23451740131.03 ppb