Dalapon
Morgan 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.
18
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 | 6 | 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 |
|---|---|---|
| 2018-01-25 | 35370415007 | ND |
| 2018-01-25 | 35370415007 | ND |
| 2018-05-03 | 35390205001 | ND |
| 2018-05-03 | 35390205001 | ND |
| 2018-07-23 | 35406291001 | ND |
| 2018-07-23 | 35406291001 | ND |
| 2019-01-29 | 35445061001 | ND |
| 2019-01-29 | 35445061001 | ND |
| 2019-07-24 | 35484849001 | ND |
| 2019-07-24 | 35484849001 | ND |
| 2020-02-04 | 35528646001 | ND |
| 2020-10-15 | 35585524001 | ND |
| 2021-03-25 | 35621776001 | ND |
| 2021-11-30 | 35680903001 | ND |
| 2022-03-24 | 35706093001 | ND |
| 2022-08-25 | 35742735001 | ND |
| 2023-02-27 | 35782420001 | ND |
| 2023-10-23 | 35836723001 | ND |