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EWG's Tap Water Database — 2019 UPDATE

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MTBE

Attleboro 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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 13 ppb

The EWG 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 Result
2013-07-01ND
2014-06-16ND
2014-07-02ND
2014-07-02ND
2015-01-07ND
2015-03-04ND
2015-08-21ND
2016-01-06ND
2016-07-06ND
2016-08-03ND
2017-01-04ND
2017-06-27ND
2017-07-20ND