Dalapon
Clay Water Supply Corporation
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
25
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 | 3 | 0 | ND |
| 2019 | ND | 5 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 5 | 0 | ND |
| 2023 | ND | 4 | 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 |
|---|---|---|
| 2018-06-19 | AE30426 | ND |
| 2018-08-22 | AE38111 | ND |
| 2018-11-19 | AE46398 | ND |
| 2019-02-12 | AE54046 | ND |
| 2019-02-12 | AE54163 | ND |
| 2019-06-19 | AE71281 | ND |
| 2019-08-15 | AE78829 | ND |
| 2019-11-13 | AE89090 | ND |
| 2020-02-27 | AF00226 | ND |
| 2020-05-20 | AF11980 | ND |
| 2020-08-17 | AF23678 | ND |
| 2020-11-17 | AF34742 | ND |
| 2021-03-09 | AF45947 | ND |
| 2021-06-01 | AF56043 | ND |
| 2021-08-04 | AF64631 | ND |
| 2021-10-25 | AF74523 | ND |
| 2022-03-16 | AF89340 | ND |
| 2022-04-28 | AF94810 | ND |
| 2022-04-28 | AF94913 | ND |
| 2022-09-06 | AG11598 | ND |
| 2022-11-17 | AG19214 | ND |
| 2023-03-07 | AG31746 | ND |
| 2023-06-19 | AG44823 | ND |
| 2023-08-30 | AG54653 | ND |
| 2023-11-15 | AG63730 | ND |