Know Your Environment. Protect Your Health.

MTBE

Concho Rural Water The Oaks

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
2018-05-10Q1819384007ND
2018-05-10Q1819384008ND
2019-02-28Q1908597001ND
2019-02-28Q1908597003ND
2020-03-04Q2008301001ND
2020-05-20Q2020113001ND
2021-03-11Q2106523006ND
2021-03-11Q2106523008ND
2022-03-03Q2207463002ND
2022-05-19Q2214835001ND
2023-05-18Q2318799008ND
2023-05-18Q2318799010ND