Dalapon
City of Plaquemine Water System
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
15
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 | 10 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 5 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2019-05-20 | 35469857001 | ND |
| 2019-05-20 | 35469857002 | ND |
| 2019-05-20 | 35469857001 | ND |
| 2019-05-20 | 35469857002 | ND |
| 2019-05-21 | 35470500001 | ND |
| 2019-05-21 | 35470500002 | ND |
| 2019-05-21 | 35470500003 | ND |
| 2019-05-21 | 35470500001 | ND |
| 2019-05-21 | 35470500002 | ND |
| 2019-05-21 | 35470500003 | ND |
| 2022-05-16 | 35718662001 | ND |
| 2022-05-16 | 35718662002 | ND |
| 2022-05-16 | 35718662003 | ND |
| 2022-05-16 | 35718662004 | ND |
| 2022-05-16 | 35718662005 | ND |