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EWG's Tap Water Database — 2021 UPDATE

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MTBE

USA - Fort Stewart Main

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND60ND
2016ND10ND
2017ND10ND
2018ND60ND
2019ND10ND

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 Lab ID Result
2014-05-28AI41563ND
2015-03-18AI69319ND
2015-03-18AI69320ND
2015-03-18AI69321ND
2015-03-18AI69322ND
2015-03-18AI69323ND
2015-03-18AI69324ND
2016-03-24AJ08731ND
2017-05-31AJ56307ND
2018-05-10AJ89322ND
2018-05-10AJ89323ND
2018-05-10AJ89324ND
2018-05-10AJ89325ND
2018-05-10AJ89326ND
2018-05-31AJ90400ND
2019-05-20AK17839ND