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EWG's Tap Water Database

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MTBE

Bennington Water Department

MTBE was used as gasoline oxygenation additive to boost the octane number. In 2005, MTBE was replaced by ethanol as a gasoline additive. MTBE causes cancers in rats.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010ND10ND
2011ND20ND
2012ND10ND
2013ND10ND
2014ND20ND
2015ND20ND

ppb = parts per billion.

State and national drinking water standards and health guidelines

Health Guideline 13 ppb

The health guideline of 13 ppb for MTBE 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 cancer.

ppb = parts per billion.

All test results

Date Lab ID Result
2010-01-129885801ND
2011-02-151102057-01ND
2011-02-151102058-01ND
2012-02-141202057-01ND
2013-02-131302060-01ND
2014-02-101402-02560-001ND
2014-02-101402-02560-002ND
2015-02-171502-02721-001ND
2015-11-121511-24580-001ND