Endothall
Pawc Pocono District
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 | 18 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 18 | 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 |
|---|---|---|
| 2020-04-16 | 22047135.00 | ND |
| 2020-04-27 | 22047193.00 | ND |
| 2020-04-27 | 22047164.00 | ND |
| 2020-04-29 | 22239136.00 | ND |
| 2020-04-29 | 22239107.00 | ND |
| 2020-04-29 | 22239049.00 | ND |
| 2020-05-04 | 22239078.00 | ND |
| 2020-05-04 | 22239020.00 | ND |
| 2020-05-05 | 22239165.00 | ND |
| 2020-07-08 | 22630994.00 | ND |
| 2020-07-08 | 22630849.00 | ND |
| 2020-07-08 | 22630965.00 | ND |
| 2020-07-13 | 22630791.00 | ND |
| 2020-07-13 | 22630820.00 | ND |
| 2020-07-13 | 22630762.00 | ND |
| 2020-07-14 | 22630936.00 | ND |
| 2020-07-14 | 22630907.00 | ND |
| 2020-07-14 | 22630878.00 | ND |
| 2023-05-10 | 28925586.00 | ND |
| 2023-05-10 | 28925499.00 | ND |
| 2023-05-10 | 28925731.00 | ND |
| 2023-05-10 | 28925702.00 | ND |
| 2023-05-10 | 28925673.00 | ND |
| 2023-05-10 | 28925528.00 | ND |
| 2023-05-10 | 28925644.00 | ND |
| 2023-05-10 | 28925615.00 | ND |
| 2023-05-10 | 28925557.00 | ND |
| 2023-07-19 | 29324801.00 | ND |
| 2023-07-19 | 29324772.00 | ND |
| 2023-07-19 | 29324656.00 | ND |
| 2023-07-19 | 29324830.00 | ND |
| 2023-07-19 | 29324685.00 | ND |
| 2023-07-19 | 29324627.00 | ND |
| 2023-07-19 | 29324860.00 | ND |
| 2023-07-19 | 29324743.00 | ND |
| 2023-07-19 | 29324714.00 | ND |