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EWG's Tap Water Database — 2021 UPDATE

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MTBE

Green Meadow Estates Of Rockford Llc

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.

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66

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND40ND
2016ND40ND
2017ND40ND
2018ND190ND
2019ND310ND

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
2014-02-104021387-01ND
2014-04-294044309-01ND
2014-07-114072581-01ND
2014-10-104102598-01ND
2015-01-165012874-01ND
2015-04-175043424-01ND
2015-07-125072585-01ND
2015-10-255104108-01ND
2016-01-146012743-01ND
2016-04-116042257-01ND
2016-08-111608B29-005AND
2016-11-141611A31-001AND
2017-03-061703387-001AND
2017-05-161705D19-001AND
2017-07-191707E87-001AND
2017-11-291711L02-001AND
2018-02-121802702-005AND
2018-02-121802702-003AND
2018-02-121802702-001AND
2018-03-061803668-001AND
2018-03-2618C0546-03_01ND
2018-03-2618C0546-02_01ND
2018-03-2618C0546-01_01ND
2018-05-211805H44-005AND
2018-05-211805H44-003AND
2018-05-211805H44-001AND
2018-09-171809E46-007AND
2018-09-171809E46-005AND
2018-09-171809E46-003AND
2018-09-171809E46-001AND
2018-10-221810I54-003AND
2018-10-221810I54-002AND
2018-10-221810I54-001AND
2018-11-0718K0210-01_02ND
2018-11-071811702-001AND
2019-03-221903G26-001AND
2019-03-221903G23-007AND
2019-03-221903G23-005AND
2019-03-221903G23-003AND
2019-03-221903G23-001AND
2019-03-271903J39-001AND
2019-04-051904536-001AND
2019-04-051903J87-005AND
2019-04-051903J87-003AND
2019-04-051903J87-001AND
2019-04-121904B06-001AND
2019-04-161904E35-001AND
2019-04-251904K14-001AND
2019-04-261904K14-003AND
2019-04-291904M46-001AND
2019-04-301904M46-005AND
2019-04-301904M46-003AND
2019-05-141905C59-003AND
2019-05-141905C59-001AND
2019-06-111906923-007AND
2019-06-111906923-001AND
2019-06-111906923-003AND
2019-06-111906923-005AND
2019-07-161907E46-001AND
2019-07-161907E46-007AND
2019-07-161907E46-005AND
2019-07-161907E46-003AND
2019-10-181910G53-007AND
2019-10-181910G53-005AND
2019-10-181910G53-003AND
2019-10-181910G53-001AND