Know Your Environment. Protect Your Health.

MTBE

Cooper County Consolidated Public Water Supply District # 1

NOTE: Cooper County Consolidated Public Water Supply District # 1 purchases water from Boonville PWS which is required to test for mtbe. Sample information shown below was taken by Boonville PWS.

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
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
2022ND10ND
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

NOTE: Cooper County Consolidated Public Water Supply District # 1 purchases water from Boonville PWS which is required to test for mtbe. Sample information shown below was taken by Boonville PWS.

Date Lab ID Result
2018-07-11AD30366ND
2019-01-29AD38364ND
2020-01-28AD60336ND
2021-01-142019918ND
2022-01-122121478ND
2023-01-182223068ND