Know Your Environment. Protect Your Health.

MTBE

Phoenix Lake Estates Cc Mutual Water Company

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.

 

9

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
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022ND90ND
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
2022-10-31CA5510026_001_001-202210311228ND
2022-10-31CA5510026_006_006-202210311237ND
2022-10-31CA5510026_005_005-202210311307ND
2022-10-31CA5510026_004_004-202210311257ND
2022-11-11CA5510026_003_003-202211111418ND
2022-11-11CA5510026_001_001-202211111359ND
2022-11-11CA5510026_004_004-202211111342ND
2022-11-11CA5510026_005_005-202211111402ND
2022-11-11CA5510026_006_006-202211111355ND