Know Your Environment. Protect Your Health.

MTBE

Town of Indian Head

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND40ND
2020ND20ND
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
2019-01-30E19002363001ND
2019-04-24E19003568001ND
2019-08-06E20000533001ND
2019-10-24E20001596001ND
2020-02-27E20002938001ND
2020-02-27E20002938006ND
2021-11-02E2200072801ND
2022-03-070080020_02_030822430ND
2022-03-070080020_03_030822433ND
2022-03-070080020_07_030822435ND