Dalapon
Desoto Parish Water Works District 1
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 |
|---|---|---|
| 2018-02-20 | 35375984001 | ND |
| 2018-02-20 | 35375984001 | ND |
| 2018-08-06 | 35409598001 | ND |
| 2018-08-06 | 35409598001 | ND |
| 2019-03-13 | 35454726001 | ND |
| 2019-03-13 | 35454726001 | ND |
| 2019-07-31 | 35486403001 | ND |
| 2019-07-31 | 35486403001 | ND |
| 2020-02-03 | 35528234001 | ND |
| 2020-09-22 | 35579689001 | ND |
| 2021-01-13 | 35604986003 | ND |
| 2021-08-17 | 35657244002 | ND |
| 2022-02-22 | 35699238001 | ND |
| 2022-08-22 | 35742155001 | ND |
| 2023-02-07 | 35778295004 | ND |
| 2023-08-21 | 35823281001 | ND |