Know Your Environment. Protect Your Health.

MTBE

Monetta, Town of

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.

 

0

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.20 ppb441.48 ppb - 2.57 ppb
20192.66 ppb442.29 ppb - 2.93 ppb
20202.20 ppb331.41 ppb - 2.68 ppb
20211.64 ppb441.43 ppb - 1.99 ppb
20221.74 ppb330.930 ppb - 2.27 ppb
20232.56 ppb112.56 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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