Know Your Environment. Protect Your Health.

MTBE

Leagueville Water Supply Corporation

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
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND20ND
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
2018-10-15Q1840932002ND
2018-10-15Q1840932004ND
2019-07-15Q1944773004ND
2019-07-15Q1944773006ND
2020-07-08Q2026823005ND
2020-07-08Q2026823007ND
2021-06-17Q2115930002ND
2021-12-15Q2135525002ND
2022-07-19Q2220684007ND
2022-07-19Q2220684009ND
2023-06-22Q2324029006ND
2023-06-22Q2324029016ND
2023-08-29Q2337341001ND
2023-11-20Q2349791001ND