Know Your Environment. Protect Your Health.

MTBE

Pecan Grove

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
2020ND10ND
2021ND10ND
2022ND30ND
2023ND30ND

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
2018-08-06AE35848ND
2018-08-06AE35852ND
2019-01-10AE49327ND
2019-01-10AE49335ND
2020-11-10AF34089ND
2021-03-08AF45734ND
2022-09-08AG12187ND
2022-10-24AG18072ND
2022-12-06AG20899ND
2023-01-10AG23737ND
2023-01-10AG23745ND
2023-05-31AG42572ND