Know Your Environment. Protect Your Health.

MTBE

City Of Waterford

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019N/A00N/A
2020N/A00N/A
2021ND40ND
2022ND20ND
2023ND10ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-07-18CA5010006_001_001-201807181240ND
2018-07-18CA5010006_004_004-201807181140ND
2018-07-18CA5010006_005_005-201807181045ND
2018-07-18CA5010006_006_006-201807181313ND
2021-07-20CA5010006_001_001-202107201250ND
2021-07-20CA5010006_004_004-202107201140ND
2021-07-20CA5010006_005_005-202107201110ND
2021-07-20CA5010006_006_006-202107201315ND
2022-12-01CA5010006_001_001-202212011145ND
2022-12-01CA5010006_005_005-202212010940ND
2023-05-17CA5010006_002_002-202305171210ND