Endothall
Wellton, Town of
Endothall is a herbicide used to kill aquatic plants and algae. It's also used on potato and cotton crops.
Samples
Samples exceeding legal limit (MCL)
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 | 1 | 0 | ND |
2020 | ND | 1 | 0 | ND |
2021 | N/A | 0 | 0 | N/A |
2022 | ND | 1 | 0 | ND |
2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 94 ppb
The EWG Health Guideline of 94 ppb for endothall was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to the stomach and intestines.
EPA Maximum Contaminant
Level (MCL): 100 ppb
The legal limit for endothall, established in 1992, was based on a toxicity study in laboratory animals conducted in the 1960s.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2019-04-10 | 201904110049SB | ND |
2020-12-08 | 20L1105-01 SOC | ND |
2022-01-26 | 202201270118SB | ND |