Dalapon
Upper Hanover Water Authority
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
20
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 | N/A | 0 | 0 | N/A |
| 2020 | ND | 7 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 13 | 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 |
|---|---|---|
| 2020-03-20 | 21847975.00 | ND |
| 2020-03-20 | 21847973.00 | ND |
| 2020-03-20 | 21847974.00 | ND |
| 2020-06-18 | 22417347.00 | ND |
| 2020-06-18 | 22417350.00 | ND |
| 2020-06-18 | 22417348.00 | ND |
| 2020-06-18 | 22417349.00 | ND |
| 2023-02-28 | 28703071.00 | ND |
| 2023-02-28 | 28703073.00 | ND |
| 2023-02-28 | 28703072.00 | ND |
| 2023-05-24 | 29108928.00 | ND |
| 2023-05-24 | 29108930.00 | ND |
| 2023-05-24 | 29108929.00 | ND |
| 2023-08-21 | 29700633.00 | ND |
| 2023-08-21 | 29700632.00 | ND |
| 2023-08-22 | 29700634.00 | ND |
| 2023-11-13 | 30246609.00 | ND |
| 2023-11-13 | 30246581.00 | ND |
| 2023-11-14 | 30246553.00 | ND |
| 2023-11-28 | 30246525.00 | ND |