Dalapon
Bossier City 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
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 0 | ND |
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 |
|---|---|---|
| 2018-01-23 | 35370031001 | ND |
| 2018-01-23 | 35370031001 | ND |
| 2018-07-31 | 35408509001 | ND |
| 2018-07-31 | 35408509001 | ND |
| 2019-02-25 | 35450969001 | ND |
| 2019-02-25 | 35450969001 | ND |
| 2019-07-31 | 35486402001 | ND |
| 2019-07-31 | 35486402001 | ND |
| 2020-03-16 | 35538194001 | ND |
| 2020-08-11 | 35569893001 | ND |
| 2021-02-03 | 35609510001 | ND |
| 2021-08-05 | 35653536002 | ND |
| 2022-01-27 | 35693462008 | ND |
| 2022-07-27 | 35735463001 | ND |
| 2023-01-30 | 35776976002 | ND |
| 2023-08-15 | 35821480001 | ND |