Dalapon
Falfurrias Utility Board
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
16
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 | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 6 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 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 |
|---|---|---|
| 2018-05-14 | AE26165 | ND |
| 2019-07-08 | AE73436 | ND |
| 2020-02-10 | AE97933 | ND |
| 2020-05-18 | AF11592 | ND |
| 2020-08-17 | AF23896 | ND |
| 2020-08-17 | AF23897 | ND |
| 2020-08-17 | AF23898 | ND |
| 2020-08-17 | AF23899 | ND |
| 2021-05-26 | AF55825 | ND |
| 2022-05-09 | AF96723 | ND |
| 2023-01-23 | AG25827 | ND |
| 2023-01-23 | AG25828 | ND |
| 2023-04-12 | AG36624 | ND |
| 2023-04-12 | AG36625 | ND |
| 2023-04-12 | AG36628 | ND |
| 2023-05-15 | AG40495 | ND |