Know Your Environment. Protect Your Health.

Endothall

Paw Penn District

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

 

31

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
2019ND20ND
2020ND150ND
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
2019-07-1545716201ND
2019-10-3143999701ND
2020-04-0622069235.00ND
2020-04-0622069206.00ND
2020-04-0822069366.00ND
2020-04-0822069424.00ND
2020-04-1422069337.00ND
2020-04-1622069453.00ND
2020-04-1622069395.00ND
2020-05-0622261463.00ND
2020-07-0122652287.00ND
2020-07-0122652258.00ND
2020-07-0122652374.00ND
2020-07-0922652200.00ND
2020-07-0922652229.00ND
2020-07-0922652316.00ND
2020-07-1322652345.00ND
2023-04-0628749336.00ND
2023-04-0628749455.00ND
2023-04-0628749438.00ND
2023-04-1328749423.00ND
2023-04-1328749394.00ND
2023-04-1328749365.00ND
2023-06-0729155696.00ND
2023-07-1329346843.00ND
2023-07-1329346866.00ND
2023-07-1329346814.00ND
2023-07-1329346886.00ND
2023-07-2029346785.00ND
2023-07-2029346756.00ND
2023-07-2029346727.00ND