Endothall
Newhall CWD-Newhall
NOTE: Newhall CWD-Newhall purchases water from Santa Clarita Valley W.a.-imported Divis which is required to test for endothall. Sample information shown below was taken by Santa Clarita Valley W.a.-imported Divis.
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 | 2 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | ND | 6 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 5 | 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
NOTE: Newhall CWD-Newhall purchases water from Santa Clarita Valley W.a.-imported Divis which is required to test for endothall. Sample information shown below was taken by Santa Clarita Valley W.a.-imported Divis.
| Date | Lab ID | Result |
|---|---|---|
| 2018-07-25 | CA1910048_004_004-201807251230 | ND |
| 2018-07-25 | CA1910048_005_005-201807251310 | ND |
| 2018-07-25 | CA1910048_006_006-201807251350 | ND |
| 2018-10-11 | CA1910048_004_004-201810111010 | ND |
| 2019-07-31 | CA1910048_004_004-201907311000 | ND |
| 2019-07-31 | CA1910048_005_005-201907311040 | ND |
| 2019-07-31 | CA1910048_006_006-201907311125 | ND |
| 2020-09-02 | CA1910048_005_005-202009021035 | ND |
| 2020-09-02 | CA1910048_006_006-202009021345 | ND |
| 2020-09-02 | CA1910048_004_004-202009020950 | ND |
| 2020-12-02 | CA1910048_006_006-202012021220 | ND |
| 2020-12-02 | CA1910048_005_005-202012021010 | ND |
| 2020-12-02 | CA1910048_004_004-202012020910 | ND |
| 2021-07-22 | CA1910048_006_006-202107220930 | ND |
| 2023-08-03 | CA1910048_004_004-202308030745 | ND |
| 2023-08-03 | CA1910048_005_005-202308030745 | ND |
| 2023-08-03 | CA1910048_006_006-202308031030 | ND |
| 2023-10-11 | CA1910048_005_005-202310111102 | ND |
| 2023-10-11 | CA1910048_004_004-202310111022 | ND |