Dalapon
West Monroe Water System
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
14
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 | 2 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 6 | 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 |
|---|---|---|
| 2018-07-16 | 35405319001 | ND |
| 2018-07-16 | 35405319001 | ND |
| 2020-02-17 | 35531852001 | ND |
| 2020-02-17 | 35531852002 | ND |
| 2020-08-19 | 35572116001 | ND |
| 2020-08-19 | 35572116002 | ND |
| 2020-08-19 | 35572116003 | ND |
| 2021-06-15 | 35641332001 | ND |
| 2023-06-20 | 35808080001 | ND |
| 2023-06-20 | 35808080002 | ND |
| 2023-06-20 | 35808080003 | ND |
| 2023-06-26 | 35809317001 | ND |
| 2023-06-26 | 35809317002 | ND |
| 2023-06-26 | 35809317003 | ND |