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EWG's Tap Water Database — 2021 UPDATE

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MTBE

City of Wolfforth

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND20ND
2016ND20ND
2017ND10ND
2018ND10ND
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
2014-03-26Q1409873005ND
2015-03-16Q1509516005ND
2015-03-16Q1509516008ND
2016-05-25Q1620718002ND
2016-05-25Q1620718003ND
2017-11-30Q1761852002ND
2018-03-14Q1810415003ND
2019-03-13Q1910669001ND