Know Your Environment. Protect Your Health.

Endothall

Pennsylvania American Water Company Warren

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

 

17

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
2019ND10ND
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
2019-08-2746272501ND
2020-04-0622151828.00ND
2020-04-1522151856.00ND
2020-05-0622347209.00ND
2020-05-1322347281.00ND
2020-07-0822736942.00ND
2020-07-1522736870.00ND
2020-08-1322934654.00ND
2020-08-1922934682.00ND
2023-04-0328837797.00ND
2023-04-1128837768.00ND
2023-06-0629240273.00ND
2023-06-1329240327.00ND
2023-08-1529636950.00ND
2023-08-1629636979.00ND
2023-09-0529827566.00ND
2023-09-1229827595.00ND