Know Your Environment. Protect Your Health.

MTBE

Merrill Gardens Iris Canyon Ws

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020ND50ND
2021N/A00N/A
2022N/A00N/A
2023ND50ND

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
2020-12-08CA2702816_001_001-202012081207ND
2020-12-08CA2702816_004_004-202012081118ND
2020-12-08CA2702816_005_005-202012081240ND
2020-12-08CA2702816_002_002-202012081150ND
2020-12-08CA2702816_003_003-202012081220ND
2023-12-21CA2702816_002_002-202312211145ND
2023-12-21CA2702816_001_001-202312211205ND
2023-12-21CA2702816_003_003-202312211155ND
2023-12-21CA2702816_004_004-202312211220ND
2023-12-21CA2702816_005_005-202312211230ND