Know Your Environment. Protect Your Health.

MTBE

Decatur Waterworks

NOTE: Decatur Waterworks purchases water from Benton - Washington Regional Public Water Authority which is required to test for mtbe. Sample information shown below was taken by Benton - Washington Regional Public Water Authority.

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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: Decatur Waterworks purchases water from Benton - Washington Regional Public Water Authority which is required to test for mtbe. Sample information shown below was taken by Benton - Washington Regional Public Water Authority.

Date Lab ID Result
2018-05-1518137013001ND
2018-07-3118213008801ND
2018-10-2418298011801ND
2019-01-0919010016401ND
2019-04-0219093000801ND
2020-04-1420107008808ND
2021-05-0421126011201ND
2022-04-05O196530-VOC-1ND