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EWG's Tap Water Database — 2021 UPDATE

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MTBE

Southeast Morris County Municipal Utilities Authority

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

 

115

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.984 ppb194ND - 5.00 ppb
20151.05 ppb194ND - 5.60 ppb
20161.16 ppb194ND - 5.90 ppb
20171.24 ppb184ND - 6.10 ppb
20180.782 ppb224ND - 4.80 ppb
20191.06 ppb184ND - 6.20 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
2014-01-092956640ND
2014-01-0929566444.10 ppb
2014-01-092956645ND
2014-04-023002487ND
2014-04-023002496ND
2014-04-023002498ND
2014-04-0230024914.90 ppb
2014-04-023002497ND
2014-04-023002492ND
2014-04-033002495ND
2014-07-093059510ND
2014-07-0930595144.70 ppb
2014-07-093059515ND
2014-10-013115640ND
2014-10-013115647ND
2014-10-0131156445.00 ppb
2014-10-013115645ND
2014-10-013115651ND
2014-10-013115646ND
2015-01-083166735ND
2015-01-0831667395.30 ppb
2015-01-083166740ND
2015-04-013217014ND
2015-04-013217022ND
2015-04-013217023ND
2015-04-013217026ND
2015-04-0132170184.50 ppb
2015-04-013217024ND
2015-04-013217019ND
2015-04-013217025ND
2015-07-093276696ND
2015-07-0932767005.60 ppb
2015-07-093276701ND
2015-10-143341487ND
2015-10-1433414914.60 ppb
2015-10-143341492ND
2015-10-143341493ND
2015-12-163375350ND
2016-01-073383120ND
2016-01-0733831245.50 ppb
2016-01-073383125ND
2016-04-133430497ND
2016-04-133430505ND
2016-04-133430508ND
2016-04-1334305015.80 ppb
2016-04-133430506ND
2016-04-133430502ND
2016-04-133430507ND
2016-07-063486600ND
2016-07-0634866044.90 ppb
2016-07-063486605ND
2016-07-203499479ND
2016-10-123563757ND
2016-10-123563764ND
2016-10-1235637615.90 ppb
2016-10-123563762ND
2016-10-123563763ND
2017-01-053618108ND
2017-01-0536181126.10 ppb
2017-01-053618113ND
2017-04-123673063ND
2017-04-123673071ND
2017-04-123673074ND
2017-04-1236730675.80 ppb
2017-04-123673072ND
2017-04-123673068ND
2017-04-123673073ND
2017-07-057023231004ND
2017-07-0570232310065.40 ppb
2017-07-057023231007ND
2017-10-117032743001ND
2017-10-117032743010ND
2017-10-117032743008ND
2017-10-1170327430065.00 ppb
2017-10-117032743007ND
2018-01-037039672004-VOCND
2018-01-037039672006-VOC4.60 ppb
2018-01-037039672007-VOCND
2018-04-117048141002-VOCND
2018-04-117048141009-VOCND
2018-04-117048141010-VOCND
2018-04-117048141013-VOCND
2018-04-117048141006-VOC3.70 ppb
2018-04-117048141011-VOCND
2018-04-117048141007-VOCND
2018-04-117048141012-VOCND
2018-07-037057283004-VOCND
2018-07-037057283006-VOC4.80 ppb
2018-07-037057283007-VOCND
2018-10-107067605001-VOCND
2018-10-107067579003-VOCND
2018-10-107067575002-VOCND
2018-10-107067575008-VOCND
2018-10-107067579002-VOCND
2018-10-107067575006-VOC4.10 ppb
2018-10-107067575007-VOCND
2018-10-107067579001-VOCND
2019-01-027075376004-VOCND
2019-01-027075376006-VOC3.60 ppb
2019-01-027075376007-VOCND
2019-04-157086076009-VOCND
2019-04-157086076010-VOCND
2019-04-157086076013-VOCND
2019-04-157086076006-VOC6.20 ppb
2019-04-157086076007-VOCND
2019-04-167086076002-VOCND
2019-04-167086076011-VOCND
2019-04-167086076012-VOCND
2019-07-017095923004-VOCND
2019-07-017095923006-VOC5.50 ppb
2019-07-017095923007-VOCND
2019-10-1070108181002-VOCND
2019-10-1070108181008-VOCND
2019-10-1070108181006-VOC3.70 ppb
2019-10-1070108181007-VOCND