Know Your Environment. Protect Your Health.

Endothall

Stillwater

Endothall is a herbicide used to kill aquatic plants and algae. It's also used on potato and cotton crops.

 

33

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021ND150ND
2022ND170ND
2023ND10ND

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
2021-08-184990855ND
2021-08-184990853ND
2021-08-184990851ND
2021-08-184990849ND
2021-08-184990740ND
2021-08-184990738ND
2021-08-184990736ND
2021-08-184990734ND
2021-11-198237-7ND
2021-11-198237-6ND
2021-11-198237-5ND
2021-11-198237-4ND
2021-11-198237-3ND
2021-11-198237-2ND
2021-11-198237-1ND
2022-02-0814223-2ND
2022-02-0814223-1ND
2022-02-0814226-1ND
2022-02-0814226-2ND
2022-02-0814226-3ND
2022-04-2122025-4ND
2022-04-2122025-1ND
2022-04-2122025-2ND
2022-04-2122025-3ND
2022-04-2122025-5ND
2022-04-2122025-6ND
2022-06-0827036-1ND
2022-06-0827036-2ND
2022-09-2038240-1ND
2022-09-2038240-2ND
2022-09-2038240-3ND
2022-11-2245402-1ND
2023-03-0755738-1ND