Dalapon
Windham Water Works
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
7
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 | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2018-10-16 | CB72345 | ND |
| 2019-05-21 | CD18362 | ND |
| 2020-06-29 | CG23351 | ND |
| 2020-10-06 | CG91426 | ND |
| 2020-10-21 | CH00867 | ND |
| 2021-10-12 | CJ53827 | ND |
| 2022-11-21 | CM89466A | ND |