Dalapon
San Diego Municipal Utility District 1
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
12
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 | 3 | 0 | ND |
| 2021 | ND | 1 | 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 |
|---|---|---|
| 2018-06-04 | AE28465 | ND |
| 2019-05-06 | AE64845 | ND |
| 2020-06-04 | AF14136 | ND |
| 2020-06-04 | AF14227 | ND |
| 2020-06-04 | AF14228 | ND |
| 2021-06-07 | AF57451 | ND |
| 2022-06-27 | AG02766 | ND |
| 2022-09-28 | AG15441 | ND |
| 2023-02-22 | AG30039 | ND |
| 2023-04-24 | AG37777 | ND |
| 2023-05-08 | AG39542 | ND |
| 2023-05-08 | AG39544 | ND |