Dalapon
Mountain Hill Water Company
NOTE: Mountain Hill Water Company purchases water from Town of North East which is required to test for dalapon. Sample information shown below was taken by Town of North East.
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 0.645 ppb | 2 | 1 | ND - 1.29 ppb |
| 2019 | ND | 1 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 2 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
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
NOTE: Mountain Hill Water Company purchases water from Town of North East which is required to test for dalapon. Sample information shown below was taken by Town of North East.
| Date | Lab ID | Result |
|---|---|---|
| 2018-04-24 | E18003794001 | ND |
| 2018-04-24 | E18003794003 | 1.29 ppb |
| 2021-06-23 | E21003831001 | ND |
| 2021-06-23 | E21003832001 | ND |