MTBE
Brodhead Creek Reg 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.
12
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 3 | 0 | ND |
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 |
|---|---|---|
| 2019-04-10 | T9D0594-01 | ND |
| 2020-04-13 | 22045728.00 | ND |
| 2020-04-15 | 22045641.00 | ND |
| 2021-04-07 | 24269236.00 | ND |
| 2021-11-01 | 25608109.00 | ND |
| 2022-02-23 | 26137296.00 | ND |
| 2022-04-25 | 26485907.00 | ND |
| 2022-05-23 | 26672005.00 | ND |
| 2022-08-22 | 27258324.00 | ND |
| 2023-03-29 | 28543988.00 | ND |
| 2023-03-29 | 28544010.00 | ND |
| 2023-03-29 | 28544032.00 | ND |