Dalapon
Pittsburgh Water & Sewer Authority
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
12
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 | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 3 | 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 |
|---|---|---|
| 2018-04-18 | 8044653-01 | ND |
| 2019-04-02 | 9042623-01 | ND |
| 2020-04-02 | 22117023.00 | ND |
| 2020-07-08 | 22699921.00 | ND |
| 2020-09-16 | 23088729.00 | ND |
| 2021-04-20 | 24339762.00 | ND |
| 2021-09-22 | 25309852.00 | ND |
| 2021-10-07 | 25495112.00 | ND |
| 2022-05-03 | 26744074.00 | ND |
| 2023-05-22 | 29205318.00 | ND |
| 2023-10-30 | 29978255.00 | ND |
| 2023-10-30 | 29978256.00 | ND |