Dalapon
Blanchard Water System
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 | 4 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 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 |
|---|---|---|
| 2018-01-08 | 35367511001 | ND |
| 2018-01-08 | 35367511001 | ND |
| 2018-07-23 | 35407300001 | ND |
| 2018-07-23 | 35407300001 | ND |
| 2019-02-18 | 35449623001 | ND |
| 2019-02-18 | 35449623001 | ND |
| 2019-07-25 | 35485233001 | ND |
| 2019-07-25 | 35485233001 | ND |
| 2020-03-16 | 35538195001 | ND |
| 2020-08-10 | 35569898001 | ND |
| 2021-01-05 | 35602529001 | ND |
| 2021-08-10 | 35655130002 | ND |
| 2022-02-14 | 35697796002 | ND |
| 2022-07-27 | 35735463003 | ND |
| 2023-01-30 | 35776976004 | ND |
| 2023-08-15 | 35821486001 | ND |