Know Your Environment. Protect Your Health.

Endothall

City of Cornelius

NOTE: City of Cornelius purchases water from City of Hillsboro which is required to test for endothall. Sample information shown below was taken by City of Hillsboro.

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

 

0

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
2020ND10ND
2021ND20ND
2022ND10ND
2023N/A00N/A

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: City of Cornelius purchases water from City of Hillsboro which is required to test for endothall. Sample information shown below was taken by City of Hillsboro.

Date Lab ID Result