Dalapon
Newtown Artesian Water Company
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 | 10 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 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 |
|---|---|---|
| 2019-07-01 | 9020447-01 | ND |
| 2020-05-01 | 22195253.00 | ND |
| 2020-05-01 | 22195224.00 | ND |
| 2020-05-01 | 22195195.00 | ND |
| 2020-05-08 | 22393331.00 | ND |
| 2020-05-08 | 22393302.00 | ND |
| 2020-07-06 | 22587727.00 | ND |
| 2020-07-06 | 22587698.00 | ND |
| 2020-07-06 | 22587756.00 | ND |
| 2020-07-07 | 22587785.00 | ND |
| 2020-07-07 | 22587814.00 | ND |
| 2021-07-06 | 24809547.00 | ND |
| 2022-07-05 | 26824113.00 | ND |
| 2023-04-03 | 28681810.00 | ND |
| 2023-04-03 | 28681838.00 | ND |
| 2023-07-05 | 29283025.00 | ND |
| 2023-07-06 | 29282997.00 | ND |