Know Your Environment. Protect Your Health.

MTBE

Sublette, City 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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021ND60ND
2022ND40ND
2023ND40ND

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
2021-06-281864887ND
2021-06-281864888ND
2021-06-281864889ND
2021-06-281864890ND
2021-08-241930858ND
2021-08-241930857ND
2022-07-112299621ND
2022-08-022320829ND
2022-10-032369911ND
2022-10-312388259ND
2023-01-092429096ND
2023-04-032474308ND
2023-07-172537737ND
2023-10-032586302ND