Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

MTBE

New Braunfels Utilities

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.

MORE ABOUT THIS CONTAMINANT

 

35

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND50ND
2016ND70ND
2017ND70ND
2018ND50ND
2019ND70ND

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
2014-01-31AC41046ND
2014-05-08AC53556ND
2014-05-08AC53562ND
2014-07-22AC60481ND
2015-03-24AC85860ND
2015-03-24AC85856ND
2015-03-24AC85852ND
2015-03-24AC85854ND
2015-07-23AD00791ND
2016-01-12AD17590ND
2016-02-24AD25408ND
2016-02-24AD25414ND
2016-02-24AD25418ND
2016-02-24AD25416ND
2016-04-07AD32330ND
2016-07-12AD43896ND
2017-03-29AD77410ND
2017-05-30AD85905ND
2017-05-30AD85903ND
2017-05-30AD85907ND
2017-05-30AD85927ND
2017-07-10AD88710ND
2017-08-23AD93999ND
2018-02-05AE12267ND
2018-02-05AE12269ND
2018-07-23AE34145ND
2018-07-23AE34143ND
2018-10-29AE44762ND
2019-02-04AE52706ND
2019-03-18AE58713ND
2019-03-18AE58711ND
2019-03-18AE58707ND
2019-04-22AE63215ND
2019-07-30AE76435ND
2019-07-30AE76439ND