Know Your Environment. Protect Your Health.

MTBE

Priddy Water Supply Corporation

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
2018-01-18AE09283ND
2018-01-18AE09293ND
2019-05-29AE68429ND
2019-05-29AE68451ND
2020-08-18AF23950ND
2020-08-18AF23952ND
2021-07-01AF60376ND
2021-07-01AF60378ND
2022-05-18AF97547ND
2022-05-18AF97557ND
2023-08-23AG53739ND
2023-10-25AG61045ND