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EWG's Tap Water Database — 2021 UPDATE

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MTBE

City of Taneytown

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.

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34

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015ND20ND
2016N/A00N/A
2017ND20ND
2018ND130ND
2019ND120ND

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
2014-01-130060012_02_COT01ND
2014-02-120060012_03_99467ND
2014-02-120060012_03_99467ND
2014-07-110060012_02_00012ND
2014-07-110060012_05_00012ND
2015-02-180060012_03_20554ND
2015-02-180060012_03_20554ND
2017-09-28E18001312004ND
2017-09-28E18001312001ND
2018-03-052300211001ND
2018-03-13E18003311004ND
2018-06-20E18004567001ND
2018-06-262322947001ND
2018-07-102325449002ND
2018-07-102325449001ND
2018-08-16E19000551001ND
2018-08-16E19000551006ND
2018-08-16E19000551004ND
2018-08-16E19000551008ND
2018-08-202333891001ND
2018-10-24E19001379001ND
2018-11-062349403001ND
2019-03-193022708001ND
2019-06-033037434001ND
2019-06-13E19004289004ND
2019-07-153045712001ND
2019-07-153045714001ND
2019-07-25E20000354004ND
2019-07-25E20000354008ND
2019-07-25E20000354006ND
2019-07-25E20000354010ND
2019-07-25E20000354012ND
2019-07-25E20000354001ND
2019-11-053068008001ND