Know Your Environment. Protect Your Health.

Dalapon

Cheniere Drew North Water System

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

 

10

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
20200.280 ppb51ND - 1.40 ppb
2021N/A00N/A
2022N/A00N/A
20230.300 ppb51ND - 1.50 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
2020-07-3035566943001ND
2020-07-3035566945001ND
2020-07-3035566947001ND
2020-09-2235579533001ND
2020-09-22355795330021.40 ppb
2023-10-0935833625001ND
2023-10-09358336250021.50 ppb
2023-10-0935833625003ND
2023-10-0935833625004ND
2023-10-0935833625005ND