Know Your Environment. Protect Your Health.

MTBE

Dixie Isle Water System

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND20ND
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
2018-12-13Q1851439007ND
2018-12-13Q1851439011ND
2019-08-21Q1957963001ND
2019-08-21Q1957963003ND
2020-05-27Q2020826015ND
2020-05-27Q2020826017ND
2021-06-30Q2117165005ND
2021-06-30Q2117165008ND
2022-06-29Q2218355002ND
2022-06-29Q2218355004ND
2023-03-01Q2308238008ND
2023-03-01Q2308238010ND