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EWG's Tap Water Database — 2021 UPDATE

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MTBE

Stormlight Mobile Home Park

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND20ND
2016ND20ND
2017ND20ND
2018ND20ND
2019ND20ND

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
2015-06-11Q1521639008ND
2015-09-02Q1534386008ND
2016-03-01Q1608433001ND
2016-03-01Q1608433004ND
2017-05-18Q1720486001ND
2017-05-18Q1720486004ND
2018-06-19Q1824272009ND
2018-06-19Q1824272005ND
2019-03-14Q1910960007ND
2019-03-14Q1910960005ND