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EWG's Tap Water Database — 2021 UPDATE

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MTBE

Maplehill Mobile Home Park

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND40ND
2016ND30ND
2017ND20ND
2018ND40ND
2019ND20ND

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
2014-04-241402442-01_TO12ND
2014-12-291406033-02_TO12ND
2015-04-221501964-03_TO12ND
2015-04-221501964-04_TO12ND
2015-04-221501964-06_TO12ND
2015-10-301504610-02_TO12ND
2016-02-26BK70502_TO12ND
2016-04-281602002-04_TO12ND
2016-12-281605676-01_TO12ND
2017-04-201701925-05_TO12ND
2017-12-261705388-02_TO12ND
2018-04-171801757-04_TO12ND
2018-04-171801757-01_TO12ND
2018-04-171801757-05_TO12ND
2018-12-271805032-01_TO12ND
2019-04-301901853-01_TO12ND
2019-12-09CE83798_TO12ND