Endothall
Elizabethtown Area Water
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 | N/A | 0 | 0 | N/A |
| 2020 | ND | 12 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 12 | 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 |
|---|---|---|
| 2020-05-26 | 22567496.00 | ND |
| 2020-05-26 | 22567526.00 | ND |
| 2020-05-26 | 22567406.00 | ND |
| 2020-05-26 | 22567466.00 | ND |
| 2020-05-26 | 22567376.00 | ND |
| 2020-05-26 | 22567436.00 | ND |
| 2020-08-03 | 22957761.00 | ND |
| 2020-08-03 | 22957731.00 | ND |
| 2020-08-03 | 22957641.00 | ND |
| 2020-08-03 | 22957701.00 | ND |
| 2020-08-03 | 22957611.00 | ND |
| 2020-08-03 | 22957671.00 | ND |
| 2023-04-24 | 29061669.00 | ND |
| 2023-04-24 | 29061674.00 | ND |
| 2023-04-24 | 29061673.00 | ND |
| 2023-04-24 | 29061672.00 | ND |
| 2023-04-24 | 29061671.00 | ND |
| 2023-04-24 | 29061670.00 | ND |
| 2023-08-28 | 29849150.00 | ND |
| 2023-08-28 | 29849149.00 | ND |
| 2023-08-28 | 29849148.00 | ND |
| 2023-08-28 | 29849151.00 | ND |
| 2023-08-28 | 29849147.00 | ND |
| 2023-08-28 | 29849146.00 | ND |