Dalapon
Pennsylvania American Water Company - Hershey
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
19
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 | 4 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 4 | 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 |
|---|---|---|
| 2018-01-04 | 38148901 | ND |
| 2018-04-02 | 39058201 | ND |
| 2018-07-02 | 40187801 | ND |
| 2018-10-01 | 41298801 | ND |
| 2019-07-02 | 44999901 | ND |
| 2019-07-22 | 45996201 | ND |
| 2020-04-06 | 22161802.00 | ND |
| 2020-04-13 | 22161831.00 | ND |
| 2020-07-06 | 22746724.00 | ND |
| 2020-07-06 | 22746743.00 | ND |
| 2020-07-07 | 22746772.00 | ND |
| 2021-07-12 | 24969180.00 | ND |
| 2021-07-13 | 24969181.00 | ND |
| 2022-07-20 | 27181634.00 | ND |
| 2022-07-20 | 27181648.00 | ND |
| 2023-04-05 | 28847916.00 | ND |
| 2023-05-08 | 29049192.00 | ND |
| 2023-07-06 | 29444304.00 | ND |
| 2023-07-10 | 29444313.00 | ND |