Dalapon
Erie City Water Authority
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
14
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 | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2018-01-08 | 3849221 | ND |
| 2018-05-21 | 3941481 | ND |
| 2018-08-21 | 4030518 | ND |
| 2019-05-21 | 4302825 | ND |
| 2019-09-10 | 4415509 | ND |
| 2019-11-18 | 4489105 | ND |
| 2020-04-01 | 22141720.00 | ND |
| 2020-05-18 | 22336496.00 | ND |
| 2020-08-26 | 22923664.00 | ND |
| 2020-09-23 | 23112735.00 | ND |
| 2023-04-04 | 28825997.00 | ND |
| 2023-04-18 | 28826399.00 | ND |
| 2023-08-09 | 29625434.00 | ND |
| 2023-09-14 | 29816651.00 | ND |