Dalapon
Midland Borough Municipal Authority
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
16
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 | 1.13 ppb | 4 | 3 | ND - 1.67 ppb |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | 0.515 ppb | 2 | 1 | ND - 1.03 ppb |
| 2023 | ND | 2 | 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 |
|---|---|---|
| 2018-06-06 | 18F1036-01 | 1.44 ppb |
| 2018-07-12 | 18G1637-01 | 1.67 ppb |
| 2018-10-24 | 8104848-01RE | 1.42 ppb |
| 2018-11-07 | 8112142-01 | ND |
| 2019-02-12 | 9022378-01 | ND |
| 2019-10-03 | 9102323-01 | ND |
| 2020-02-18 | 21760365.00 | ND |
| 2020-05-19 | 22318357.00 | ND |
| 2020-08-18 | 22904064.00 | ND |
| 2020-10-20 | 23277995.00 | ND |
| 2021-02-08 | 23977206.00 | ND |
| 2021-10-12 | 25502459.00 | ND |
| 2022-03-08 | 26379686.00 | ND |
| 2022-08-03 | 27344214.00 | 1.03 ppb |
| 2023-01-17 | 28265678.00 | ND |
| 2023-04-12 | 28807703.00 | ND |