Know Your Environment. Protect Your Health.

Endothall

North Wales Water Authority

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

 

34

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
2020ND200ND
2021N/A00N/A
2022N/A00N/A
2023ND140ND

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
2020-04-0122025479.00ND
2020-04-2022026084.00ND
2020-04-2022026174.00ND
2020-04-2022026114.00ND
2020-04-2022026144.00ND
2020-04-2722217329.00ND
2020-04-2722217299.00ND
2020-04-2722217359.00ND
2020-04-2722217414.00ND
2020-04-2722217389.00ND
2020-07-0622609702.00ND
2020-07-2722801143.00ND
2020-07-2722801170.00ND
2020-07-2722801136.00ND
2020-07-2722801203.00ND
2020-07-2722801106.00ND
2020-08-3123001504.00ND
2020-08-3123001476.00ND
2020-08-3123001420.00ND
2020-08-3123001448.00ND
2023-04-0328704933.00ND
2023-04-0328704936.00ND
2023-04-0328704937.00ND
2023-04-0328704935.00ND
2023-04-0328704934.00ND
2023-04-0428704938.00ND
2023-06-0529110380.00ND
2023-07-1029304300.00ND
2023-07-1029304299.00ND
2023-07-1029304297.00ND
2023-07-1029304296.00ND
2023-07-1129304301.00ND
2023-07-1129304298.00ND
2023-07-1129304302.00ND