Know Your Environment. Protect Your Health.

MTBE

Rumford Water District

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.

 

9

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
2019ND10ND
2020ND30ND
2021ND10ND
2022ND20ND
2023ND20ND

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
2019-06-18201906120085-TSNRND
2020-01-15452000052-TSNND
2020-08-182004566-01ND
2020-08-182004565-01ND
2021-07-132102943-01ND
2022-08-182208-04176-004ND
2022-09-132204966-01ND
2023-08-082308-01768-003ND
2023-08-082308-01768-001ND