Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

MTBE

Weirton Area Water Board

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
2012N/A00N/A
2013ND40ND
2014ND40ND
2015ND30ND
2016ND10ND
2017N/A00N/A

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
2013-03-08VOC_1303915-04AND
2013-05-13VOC_1305I83-03AND
2013-08-22VOC_1308P42-01AND
2013-10-15VOC_1310J31-01AND
2014-01-29VOC_1402177-08AND
2014-04-16VOC_1404K60-02AND
2014-07-17VOC_1407N00-09AND
2014-10-21VOC_1410R55-06AND
2015-01-29VOC_1501U33-01AND
2015-03-26VOC_1503Y19-01AND
2015-03-31VOC_1504247-01AND
2016-02-241602W01-01AND