Know Your Environment. Protect Your Health.

Endothall

State College Boro Water Auth.

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

 

20

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
2020ND100ND
2021N/A00N/A
2022N/A00N/A
2023ND100ND

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
2020-05-1322292186.00ND
2020-05-1322292159.00ND
2020-05-1322292267.00ND
2020-05-1322292213.00ND
2020-05-1322292240.00ND
2020-08-1723069129.00ND
2020-08-1722876894.00ND
2020-08-1722876871.00ND
2020-08-1722876914.00ND
2020-08-3123069152.00ND
2023-05-1528981622.00ND
2023-05-1528981613.00ND
2023-05-1528981636.00ND
2023-05-1528981650.00ND
2023-05-1528981604.00ND
2023-08-1429577849.00ND
2023-08-1629578215.00ND
2023-08-1629578157.00ND
2023-08-1629578244.00ND
2023-08-1629578186.00ND