Dalapon
Sharp's Mobile Home Park
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
8
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 | N/A | 0 | 0 | N/A |
| 2021 | ND | 1 | 0 | ND |
| 2022 | 1.30 ppb | 3 | 3 | 0.990 ppb - 1.50 ppb |
| 2023 | 1.93 ppb | 4 | 3 | ND - 2.90 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 | Result |
|---|---|
| 2021-10-25 | ND |
| 2022-02-09 | 0.990 ppb |
| 2022-06-23 | 1.40 ppb |
| 2022-08-31 | 1.50 ppb |
| 2023-01-16 | 2.00 ppb |
| 2023-06-28 | 2.80 ppb |
| 2023-08-25 | 2.90 ppb |
| 2023-10-19 | ND |