Know Your Environment. Protect Your Health.

MTBE

Town of Woodsboro

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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND30ND
20201.36 ppb111.36 ppb
20210.760 ppb110.760 ppb
2022N/A00N/A
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
2018-03-14E18003358010ND
2019-05-30E19004087001ND
2019-05-30E19004087004ND
2019-05-30E19004087006ND
2020-09-28E210008610041.36 ppb
2021-06-30E220000090010.760 ppb
2023-08-29E2400077101ND