Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

MTBE

City of Splendora

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND30ND
2016ND30ND
2017ND30ND
2018ND30ND
2019ND30ND

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
2014-05-06AC53145ND
2015-02-24AC81675ND
2015-02-24AC81681ND
2015-02-24AC81677ND
2016-04-14AD33200ND
2016-04-14AD33202ND
2016-04-14AD33198ND
2017-03-30AD77738ND
2017-03-30AD77736ND
2017-03-30AD77744ND
2018-03-15AE18642ND
2018-03-15AE18630ND
2018-03-15AE18648ND
2019-04-08AE61400ND
2019-04-08AE61402ND
2019-04-08AE61398ND