Dalapon
Woodhaven 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.
7
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 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | 2.30 ppb | 1 | 1 | 2.30 ppb |
| 2022 | ND | 2 | 0 | ND |
| 2023 | 2.25 ppb | 3 | 3 | 1.44 ppb - 3.80 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 |
|---|---|---|
| 2018-04-17 | 8044243-01 | ND |
| 2021-06-29 | 24949768.00 | 2.30 ppb |
| 2022-03-29 | 26397230.00 | ND |
| 2022-12-13 | 28108765.00 | ND |
| 2023-06-13 | 29230995.00 | 1.44 ppb |
| 2023-09-12 | 29817795.00 | 3.80 ppb |
| 2023-12-12 | 30355261.00 | 1.50 ppb |