Dalapon
Mt. Joy Boro 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 | ND | 2 | 0 | ND |
| 2020 | ND | 9 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 6 | 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 |
|---|---|---|
| 2019-08-20 | 9083654-01 | ND |
| 2019-11-07 | 9110611-01 | ND |
| 2020-02-20 | 21981343.00 | ND |
| 2020-04-09 | 22170964.00 | ND |
| 2020-04-09 | 22171152.00 | ND |
| 2020-05-19 | 22368368.00 | ND |
| 2020-06-10 | 22565229.00 | ND |
| 2020-07-21 | 22955049.00 | ND |
| 2020-08-11 | 22955133.00 | ND |
| 2020-09-22 | 23142298.00 | ND |
| 2020-09-22 | 23142328.00 | ND |
| 2023-05-09 | 29059150.00 | ND |
| 2023-05-15 | 29059181.00 | ND |
| 2023-05-16 | 29059182.00 | ND |
| 2023-08-01 | 29657075.00 | ND |
| 2023-08-02 | 29657076.00 | ND |
| 2023-08-15 | 29846309.00 | ND |