Dalapon
Ephrata Area Joint Authority
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
17
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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 8 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 8 | 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 |
|---|---|---|
| 2020-04-06 | 22168910.00 | ND |
| 2020-04-13 | 22169076.00 | ND |
| 2020-04-13 | 22169075.00 | ND |
| 2020-04-16 | 22365692.00 | ND |
| 2020-07-13 | 22754006.00 | ND |
| 2020-07-13 | 22754005.00 | ND |
| 2020-07-14 | 22754067.00 | ND |
| 2020-07-17 | 22952568.00 | ND |
| 2022-04-12 | 26604786.00 | ND |
| 2023-04-14 | 29056925.00 | ND |
| 2023-04-14 | 29056926.00 | ND |
| 2023-04-14 | 29057125.00 | ND |
| 2023-04-14 | 29056924.00 | ND |
| 2023-07-11 | 29654723.00 | ND |
| 2023-07-18 | 29654890.00 | ND |
| 2023-08-09 | 29844083.00 | ND |
| 2023-08-29 | 29844122.00 | ND |