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EWG's Tap Water Database — 2019 UPDATE

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Endothall

Bellefonte Borough Water Authority

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

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND30ND
2013N/A00N/A
2014ND20ND
2015ND10ND
2016ND30ND
2017ND50ND

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2012-04-0512040671ND
2012-04-1912041363ND
2012-10-1812101416-01ND
2014-06-1114061493-01ND
2014-08-2114082551-01ND
2015-06-3012935785ND
2016-06-1614470244ND
2016-08-2514974538ND
2016-11-1715428407ND
2017-05-1616158453ND
2017-05-1616158452ND
2017-08-1716628611ND
2017-09-0616786263ND
2017-09-0616786175ND