Dalapon
Olive Hill Municipal Water Works
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
10
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 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | 2.33 ppb | 3 | 1 | ND - 7.00 ppb |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 1 | 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 |
|---|---|---|
| 2018-05-01 | 18293-01 | ND |
| 2018-08-21 | 28137-01 | ND |
| 2021-05-04 | 1050959-01 | ND |
| 2021-08-31 | 1080648-01 | 7.00 ppb |
| 2021-12-07 | 1122058-01 | ND |
| 2022-02-01 | 2012903-01 | ND |
| 2022-04-26 | 35713475 | ND |
| 2022-07-26 | 35735852 | ND |
| 2022-10-25 | 2102006-01 | ND |
| 2023-07-18 | 3072631-01 | ND |