Know Your Environment. Protect Your Health.

Endothall

Erie City Water Authority

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

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
2020ND40ND
2021N/A00N/A
2022N/A00N/A
2023ND40ND

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
2018-01-083849226ND
2018-05-213941486ND
2018-08-214030519ND
2019-05-214302826ND
2019-09-104415510ND
2019-11-184489106ND
2020-04-0121954869.00ND
2020-05-1822335987.00ND
2020-08-2623112171.00ND
2020-09-2323294726.00ND
2023-04-0428825957.00ND
2023-04-1828825984.00ND
2023-08-0929624862.00ND
2023-09-1429816644.00ND