Dalapon
Pennsylvania American Water Company Warren
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 | 1 | 0 | ND |
| 2020 | ND | 8 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 8 | 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 |
|---|---|---|
| 2019-08-27 | 46272501 | ND |
| 2020-04-06 | 22151838.00 | ND |
| 2020-04-15 | 22151866.00 | ND |
| 2020-05-06 | 22347219.00 | ND |
| 2020-05-13 | 22347291.00 | ND |
| 2020-07-08 | 22736952.00 | ND |
| 2020-07-15 | 22736880.00 | ND |
| 2020-08-13 | 22934664.00 | ND |
| 2020-08-19 | 22934692.00 | ND |
| 2023-04-03 | 28837770.00 | ND |
| 2023-04-11 | 28837767.00 | ND |
| 2023-06-06 | 29240272.00 | ND |
| 2023-06-13 | 29240300.00 | ND |
| 2023-08-15 | 29636948.00 | ND |
| 2023-08-16 | 29637003.00 | ND |
| 2023-09-05 | 29827539.00 | ND |
| 2023-09-12 | 29827568.00 | ND |