Dalapon
Crowley Water System (LAWCO)
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
18
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 | 8 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 5 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 5 | 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 |
|---|---|---|
| 2018-07-30 | 35407885002 | ND |
| 2018-07-30 | 35407885003 | ND |
| 2018-07-30 | 35407885004 | ND |
| 2018-07-30 | 35407885001 | ND |
| 2018-07-30 | 35407885002 | ND |
| 2018-07-30 | 35407885003 | ND |
| 2018-07-30 | 35407885004 | ND |
| 2018-07-30 | 35407885001 | ND |
| 2020-12-14 | 35599407002 | ND |
| 2020-12-14 | 35599407005 | ND |
| 2020-12-14 | 35599407004 | ND |
| 2020-12-14 | 35599407003 | ND |
| 2020-12-14 | 35599407001 | ND |
| 2023-10-03 | 35832383001 | ND |
| 2023-10-03 | 35832383002 | ND |
| 2023-10-03 | 35832383003 | ND |
| 2023-10-03 | 35832383004 | ND |
| 2023-10-03 | 35832383005 | ND |