Know Your Environment. Protect Your Health.

MTBE

Kennebunk, Kennebunkport & Wells WD

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
2019ND40ND
2020ND20ND
2021ND40ND
2022ND20ND
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
2018-06-20218060806.02ND
2018-06-20218/060806.01ND
2019-01-24219010660.01ND
2019-07-10219070288.01ND
2019-07-10219070288.02ND
2019-07-10219070288.03ND
2020-05-05220050116.01ND
2020-07-15220070572.01ND
2021-04-06221040205.02ND
2021-04-06221040205.01ND
2021-06-29221061056.01ND
2021-10-04221100065.01ND
2022-02-17222020461.01ND
2022-08-03222080125.01ND