Know Your Environment. Protect Your Health.

Dalapon

Natchitoches Water System

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
2018ND40ND
2019ND40ND
2020ND20ND
2021ND20ND
2022ND20ND
2023ND20ND

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
2018-01-2235370029001ND
2018-01-2235370029001ND
2018-07-3135408508001ND
2018-07-3135408508001ND
2019-02-2535450970001ND
2019-02-2535450970001ND
2019-08-0735488971001ND
2019-08-0735488971001ND
2020-02-1735531798001ND
2020-09-1735578824001ND
2021-01-2035606276001ND
2021-08-1835657244006ND
2022-01-2635693462007ND
2022-08-0835738986005ND
2023-03-0635784946004ND
2023-08-2235823297001ND