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EWG's Tap Water Database — 2021 UPDATE

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MTBE

Swartz Creek Meadows

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
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND60ND
2019ND60ND

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2018-07-24LLH94966ND
2018-07-24LLH94965ND
2018-08-08LLH98028ND
2018-08-08LLH98027ND
2018-11-08LLI14974ND
2018-11-08LLI14973ND
2019-06-10LLI42040ND
2019-06-10LLI42039ND
2019-09-26LLI68013ND
2019-09-26LLI68014ND
2019-09-26LLI68015ND
2019-09-26LLI68012ND