Know Your Environment. Protect Your Health.

MTBE

Bay Country Estates 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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
2020ND30ND
2021ND30ND
2022N/A00N/A
2023ND30ND

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
2018-01-06E18002665001ND
2018-01-06E18002665004ND
2018-01-06E18002665006ND
2019-04-25E19003572001ND
2019-04-25E19003572004ND
2019-04-25E19003572006ND
2020-04-02E20003319001ND
2020-04-02E20003319004ND
2020-04-02E20003319006ND
2021-08-12E22000524001ND
2021-08-12E22000524004ND
2021-08-12E22000524006ND
2023-08-09E2400056802ND
2023-08-09E2400056902ND
2023-08-09E2400057002ND