Know Your Environment. Protect Your Health.

MTBE

Bremen Water Department

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
2018ND40ND
2019ND10ND
2020ND20ND
2021ND10ND
2022ND10ND
2023ND20ND

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
2018-01-1618000814003RV-1801ND
2018-05-0118006796001RV-1802ND
2018-07-2418011674001RV-1803ND
2018-11-0618017827001RV-1804ND
2019-08-2019012696001RV-1903ND
2020-08-1120012117-002ND
2020-08-1120012117-004ND
2021-07-1321013532-002-0019ND
2022-07-2522013843-001-0006ND
2023-01-0423000270-001-0005ND
2023-08-2323015635-001-0006ND