Know Your Environment. Protect Your Health.

MTBE

Crawford County Water System

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
2018-03-07AJ85203ND
2018-03-07AJ85204ND
2019-03-19AK13597ND
2019-03-19AK13598ND
2020-03-31AK43983ND
2020-03-31AK43984ND
2021-04-12AK72841ND
2021-04-12AK72842ND
2022-03-22AK97694ND
2022-03-22AK97695ND
2023-09-05AL42616ND
2023-09-05AL42617ND