Dalapon
City of Leon Valley
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 | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 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 |
|---|---|---|
| 2018-08-17 | AE37567 | ND |
| 2018-08-17 | AE37571 | ND |
| 2019-06-21 | AE71678 | ND |
| 2019-06-21 | AE71679 | ND |
| 2020-01-30 | AE96361 | ND |
| 2020-03-25 | AF04603 | ND |
| 2020-07-08 | AF18871 | ND |
| 2020-07-08 | AF18872 | ND |
| 2021-05-13 | AF53840 | ND |
| 2021-05-13 | AF53841 | ND |
| 2022-06-10 | AG00803 | ND |
| 2022-06-10 | AG00804 | ND |
| 2023-02-17 | AG29771 | ND |
| 2023-02-17 | AG29772 | ND |
| 2023-06-16 | AG44995 | ND |
| 2023-06-16 | AG44996 | ND |