Dalapon
Tempe Water Supply Corporation 1
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
14
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 | 5 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 5 | 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 | AE26166 | ND |
| 2019-06-13 | AE70593 | ND |
| 2020-02-12 | AE98224 | ND |
| 2020-02-12 | AE98225 | ND |
| 2020-02-12 | AE98227 | ND |
| 2020-02-12 | AE98228 | ND |
| 2020-06-24 | AF16770 | ND |
| 2021-05-11 | AF53533 | ND |
| 2022-06-09 | AG00225 | ND |
| 2023-02-16 | AG29417 | ND |
| 2023-02-16 | AG29418 | ND |
| 2023-02-16 | AG29420 | ND |
| 2023-05-30 | AG42322 | ND |
| 2023-05-30 | AG42370 | ND |