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EWG's Tap Water Database — 2021 UPDATE

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MTBE

Terrytown, City of

NOTE: Terrytown, City of purchases water from Gering, City of which is required to test for mtbe. Sample information shown below was taken by Gering, City of.

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

 

31

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND60ND
2016ND10ND
2017ND50ND
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

NOTE: Terrytown, City of purchases water from Gering, City of which is required to test for mtbe. Sample information shown below was taken by Gering, City of.

Date Lab ID Result
2014-01-21278513ND
2014-04-07293510ND
2014-07-07309785ND
2014-10-06328643ND
2015-02-03343354ND
2015-04-06353651ND
2015-07-06371472ND
2015-08-17375536ND
2015-08-17375537ND
2015-10-05392019ND
2016-01-19ND
2016-04-04ND
2016-07-05ND
2016-08-08ND
2016-08-08ND
2016-10-11ND
2017-03-06ND
2017-06-12ND
2017-08-01ND
2017-09-18ND
2017-10-16ND
2018-01-02530765ND
2018-04-02542244ND
2018-07-09560166ND
2018-08-27568528ND
2018-10-15577017ND
2019-01-14590560ND
2019-04-01602859ND
2019-07-08621119ND
2019-08-19628437ND
2019-10-21638510ND