Know Your Environment. Protect Your Health.

MTBE

Sunrise Hill Estates

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND20ND
2020ND30ND
2021ND10ND
2022ND30ND
2023ND10ND

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
2018-04-17218040483.01ND
2019-05-21219050911.01CND
2019-10-08219100368.01ND
2020-03-02220030017.01ND
2020-06-02220060053.01ND
2020-09-02220090107.01ND
2021-03-03221030072.01ND
2022-03-01222030006.01ND
2022-09-02222090047-01ND
2022-09-02222090047.01ND
2023-03-06223030103-01ND