Dalapon
Marble Community Water System
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
7
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 | N/A | 0 | 0 | N/A |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 4 | 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 |
|---|---|---|
| 2021-03-29 | 92530251001A_12710 | ND |
| 2021-06-15 | 1064170-01 | ND |
| 2021-11-29 | 92574831001_12710 | ND |
| 2022-02-20 | 92589182001_12710 | ND |
| 2022-05-24 | 92606370001_12710 | ND |
| 2022-09-12 | 92625399001_12710 | ND |
| 2022-10-26 | 92633286001_12710 | ND |