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EWG's Tap Water Database — 2021 UPDATE

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MTBE

Fort Wayne - 3 Rivers Filtration Plant

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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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
2014-01-15309910RV-1401ND
2014-04-01315826RV-1402ND
2014-07-15321311RV-1403ND
2014-10-08327009RV-1404ND
2015-01-14332290RV-1501ND
2015-04-16338569RV-1502ND
2015-07-14344191RV-1503ND
2015-10-14351077RV-1504ND
2016-04-14361175RV-1602ND
2016-08-113519497RV-1603ND
2016-10-133565133RV-1604ND
2017-01-113619819RV-1701ND
2017-04-113672200RV-1702ND
2017-07-13392889RV-1703ND
2017-10-10400189RV-1704ND
2018-07-11422135RV-1803ND
2018-10-094322763RV-1804ND
2018-10-09432763RV-1804ND
2019-01-16441105RV-1901ND
2019-04-16449373RV-1902ND
2019-07-17458931RV-1903ND
2019-10-104688235RV-1904ND