Know Your Environment. Protect Your Health.

MTBE

Cutler Public Utility District

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND90ND
2019ND50ND
2020N/A00N/A
2021ND10ND
2022ND10ND
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
2018-01-16CA5410001_003_003-201801161045ND
2018-02-06CA5410001_003_003-201802061105ND
2018-04-03CA5410001_003_003-201804031100ND
2018-05-08CA5410001_003_003-201805081045ND
2018-07-10CA5410001_003_003-201807101054ND
2018-08-07CA5410001_003_003-201808071110ND
2018-08-07CA5410001_008_008-201808071120ND
2018-10-02CA5410001_003_003-201810021105ND
2018-11-06CA5410001_003_003-201811061140ND
2019-01-08CA5410001_003_003-201901081110ND
2019-02-20CA5410001_003_003-201902201204ND
2019-05-08CA5410001_003_003-201905081119ND
2019-08-22CA5410001_003_003-201908221114ND
2019-11-20CA5410001_003_003-201911201028ND
2021-07-23CA5410001_008_008-202107231200ND
2022-07-29CA5410001_003_003-202207291005ND