Dalapon
Jacobs Water Supply Corporation Plants 1 & 2
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 | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | 0.525 ppb | 2 | 1 | ND - 1.05 ppb |
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 |
|---|---|---|
| 2018-03-26 | Q1812037005 | ND |
| 2018-03-26 | Q1812037012 | ND |
| 2019-01-03 | Q1900175005 | ND |
| 2019-01-03 | Q1900175012 | ND |
| 2020-05-21 | Q2020366005 | ND |
| 2020-05-21 | Q2020366006 | ND |
| 2021-11-30 | Q2133011010 | ND |
| 2021-11-30 | Q2133011011 | ND |
| 2022-03-10 | Q2208342009 | ND |
| 2022-03-10 | Q2208342010 | ND |
| 2023-07-20 | Q2328746003 | 1.05 ppb |
| 2023-10-19 | Q2344964003 | ND |