Endothall
Linville-haile Water System
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 | ND | 6 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
2020 | N/A | 0 | 0 | N/A |
2021 | ND | 3 | 0 | ND |
2022 | N/A | 0 | 0 | N/A |
2023 | ND | 3 | 0 | ND |
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 |
---|---|---|
2018-03-07 | 35378987001 | ND |
2018-03-07 | 35378987002 | ND |
2018-03-07 | 35378987003 | ND |
2018-03-07 | 35378987001 | ND |
2018-03-07 | 35378987002 | ND |
2018-03-07 | 35378987003 | ND |
2021-03-16 | 35619734003 | ND |
2021-03-16 | 35619734004 | ND |
2021-03-16 | 35619734005 | ND |
2023-11-13 | 35841740001 | ND |
2023-11-13 | 35841740002 | ND |
2023-11-13 | 35841740003 | ND |