Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

MTBE

Sullivans Trailer Court Inc.

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.800 ppb110.800 ppb
20130.900 ppb220.900 ppb
2014N/A00N/A
20150.800 ppb110.800 ppb
20160.300 ppb21ND - 0.600 ppb
2017N/A00N/A

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
2012-02-010060215_01_831190.800 ppb
2013-01-290060215_01_879310.900 ppb
2013-01-290060215_02_879350.900 ppb
2015-01-150060215_01_985930.800 ppb
2016-01-05112184ND
2016-01-051050290.600 ppb