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EWG's Tap Water Database — 2019 UPDATE

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MTBE

Upper Deerfield Township Water Department

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.132 ppb53ND - 0.290 ppb
2013ND40ND
20140.133 ppb42ND - 0.280 ppb
20150.214 ppb54ND - 0.430 ppb
2016ND10ND
20170.1000 ppb110.1000 ppb

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
2012-01-06L4001338-30.0900 ppb
2012-01-06L3683515-3ND
2012-04-02L1698797-1ND
2012-07-06L4236183-10.290 ppb
2012-10-05L4352808-10.280 ppb
2013-01-08L4454427-1ND
2013-04-05L4525944-6ND
2013-07-05L4676986-3ND
2013-10-21L4804875-1ND
2014-01-10L4861550-5ND
2014-04-04L4974892-80.250 ppb
2014-07-11L5101806-5ND
2014-10-03L5240148-110.280 ppb
2015-01-02L5356702-110.190 ppb
2015-01-02L5356702-70.430 ppb
2015-04-01L5489208-5ND
2015-07-10L5637566-30.220 ppb
2015-10-02L5808077-60.230 ppb
2016-01-08L5953980-3ND
2017-04-04L6718683-30.1000 ppb