Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

MTBE

Lockport

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.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND50ND
2016N/A00N/A
2017N/A00N/A
2018ND110ND
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
2014-07-081407438-001AND
2015-08-041508226-001AND
2015-08-041508226-003AND
2015-08-041508226-005AND
2015-08-041508226-007AND
2015-08-041508226-009AND
2018-03-201803E22-001AND
2018-05-291805L28-001AND
2018-06-2818F1259-01_02ND
2018-06-2818F1260-01_02ND
2018-08-071808611-001AND
2018-08-071808611-003AND
2018-08-071808611-005AND
2018-08-071808611-007AND
2018-08-141808C08-001AND
2018-08-141808C08-003AND
2018-10-171810D44-001AND
2019-02-051902322-001AND
2019-04-091904780-001AND