Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

MTBE

Thomson-McDuffie County W&S Comm.

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
2014ND20ND
2015ND20ND
2016ND20ND
2017ND20ND
2018ND20ND
2019ND20ND

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
2014-04-07AI37327ND
2014-04-07AI37328ND
2015-03-30AI69908ND
2015-03-31AI69907ND
2016-03-16AJ08298ND
2016-03-16AJ08299ND
2017-06-07AJ56970ND
2017-06-07AJ56971ND
2018-05-23AJ90095ND
2018-05-23AJ90096ND
2019-05-08AK16898ND
2019-05-08AK16899ND