Know Your Environment. Protect Your Health.

MTBE

Searchlight Water Company

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND40ND
2020ND40ND
2021ND10ND
2022ND30ND
2023N/A00N/A

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
2018-04-18S1802701002ND
2019-04-17S1904261003ND
2019-04-17S1904261004ND
2019-04-17S1904261005ND
2019-06-06S1912241002ND
2020-04-15S2024409002ND
2020-04-15S2024409003ND
2020-04-15S2024409005ND
2020-04-15S2024450002ND
2021-04-27S2102642001ND
2022-04-11S2202334004ND
2022-04-14S2202503002ND
2022-04-14S2202503003ND