Dalapon
Water System
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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 6 | 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 |
|---|---|---|
| 2019-03-01 | AE56747 | ND |
| 2019-03-01 | AE56748 | ND |
| 2019-05-28 | AE68210 | ND |
| 2019-05-28 | AE68271 | ND |
| 2019-09-12 | AE83342 | ND |
| 2019-11-26 | AE90662 | ND |
| 2020-05-07 | AF09837 | ND |
| 2021-08-23 | AF67378 | ND |
| 2022-07-26 | AG06322 | ND |
| 2022-07-26 | AG06481 | ND |
| 2023-05-03 | AG39074 | ND |