Dalapon
Settlers Crossing Water System 2
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
11
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 | 2 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 1 | 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 |
|---|---|---|
| 2018-06-05 | AE28668 | ND |
| 2018-06-05 | AE28708 | ND |
| 2018-08-21 | AE37951 | ND |
| 2018-11-06 | AE45468 | ND |
| 2019-02-28 | AE56669 | ND |
| 2019-06-27 | AE72475 | ND |
| 2020-06-19 | AF16300 | ND |
| 2021-06-22 | AF59046 | ND |
| 2022-08-17 | AG09629 | ND |
| 2022-08-17 | AG09780 | ND |
| 2023-06-13 | AG44195 | ND |