Know Your Environment. Protect Your Health.

MTBE

Brandon-irene Water Supply Corporation

NOTE: Brandon-irene Water Supply Corporation purchases water from Aquilla WSD which is required to test for mtbe. Sample information shown below was taken by Aquilla WSD.

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND40ND
2020ND30ND
2021ND30ND
2022ND30ND
2023ND30ND

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

NOTE: Brandon-irene Water Supply Corporation purchases water from Aquilla WSD which is required to test for mtbe. Sample information shown below was taken by Aquilla WSD.

Date Lab ID Result
2018-07-11Q1827265002ND
2019-07-10Q1943492003ND
2020-07-09Q2026950002ND
2021-07-07Q2117789002ND
2022-08-10Q2223014001ND
2023-07-17Q2327747001ND