Know Your Environment. Protect Your Health.

Endothall

Ephrata Area Joint Authority

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

 

16

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
2020ND80ND
2021N/A00N/A
2022N/A00N/A
2023ND80ND

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
2020-04-0622168912.00ND
2020-04-1322169079.00ND
2020-04-1322169080.00ND
2020-04-1622365694.00ND
2020-07-1322754009.00ND
2020-07-1322754010.00ND
2020-07-1422754069.00ND
2020-07-1722952570.00ND
2023-04-1428855563.00ND
2023-04-1428855561.00ND
2023-04-1428855562.00ND
2023-05-1629057147.00ND
2023-07-1129451757.00ND
2023-07-1829451758.00ND
2023-08-0929654758.00ND
2023-08-2929654914.00ND