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EWG's Tap Water Database — 2021 UPDATE

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Endothall

Glen Cove City

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

 

37

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND40ND
2015ND40ND
2016ND50ND
2017ND60ND
2018ND80ND
2019ND100ND

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
2014-07-141407864-001-SOCSND
2014-08-141408A42-002-SOCSND
2014-08-141408A42-001-SOCSND
2014-09-081409485-001-SOCSND
2015-04-231504H88-002-SOCSND
2015-04-231504H88-001-SOCSND
2015-04-231504H88-003-SOCSND
2015-09-091509587-002 SOCSND
2016-07-131607982-001ND
2016-08-181608H59-002ND
2016-08-181608H59-001ND
2016-09-121609832-001ND
2016-09-121609832-002ND
2017-07-127023874001ND
2017-08-077026365001ND
2017-08-077026365003ND
2017-08-077026365002ND
2017-10-197033412001ND
2017-11-137035537001ND
2018-02-017041888001ND
2018-07-107057620003ND
2018-08-157061655005ND
2018-08-157061655003ND
2018-08-157061655001ND
2018-09-177065026001ND
2018-09-257065778001ND
2018-11-017069725001ND
2019-01-217077163001ND
2019-02-077078803001ND
2019-05-027087889001ND
2019-07-027096166001ND
2019-07-267098990001ND
2019-08-0870100459002ND
2019-08-0870100459001ND
2019-08-0870100459003ND
2019-09-1670105011001ND
2019-11-0770111124001ND