Dalapon
Four Way Special Utility District
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
8
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 | N/A | 0 | 0 | N/A |
| 2020 | ND | 4 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2020-06-17 | Q2024644009 | ND |
| 2020-08-11 | Q2031797022 | ND |
| 2020-08-11 | Q2031797023 | ND |
| 2020-08-11 | Q2031797024 | ND |
| 2023-04-24 | Q2315229008 | ND |
| 2023-06-05 | Q2320826002 | ND |
| 2023-06-05 | Q2320826006 | ND |
| 2023-06-05 | Q2320826007 | ND |