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EWG's Tap Water Database — 2019 UPDATE

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Endothall

Florence Water Company

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND60ND
2013N/A00N/A
2014N/A00N/A
2015ND60ND
2016N/A00N/A
2017N/A00N/A

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
2012-02-23201202240038SAND
2012-02-23201202240038SBND
2012-02-23201202240038SCND
2012-07-26201207270215SAND
2012-07-26201207270215SBND
2012-07-26201207270215SCND
2015-03-03201503040117SAND
2015-03-03201503040117SBND
2015-03-03201503040117SCND
2015-06-16201506160594SAND
2015-06-16201506160594SBND
2015-06-16201506160594SCND