Dalapon
Hot Springs Municipal Water
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
10
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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2019-01-07 | B19010673-001A | ND |
| 2019-01-07 | B19010673-002A | ND |
| 2020-11-05 | B20110715-001B | ND |
| 2020-11-05 | B20110715-002A | ND |
| 2023-02-23 | B23021692-001A | ND |
| 2023-02-23 | B23021692-002A | ND |
| 2023-02-23 | B23021692-003A | ND |
| 2023-06-13 | B23061425-001A | ND |
| 2023-09-11 | B23091231-001A | ND |
| 2023-11-15 | B23111388-001A | ND |