MTBE
Sherburn
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.
10
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 | ND | 1 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 1 | 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 |
|---|---|---|
| 2018-12-04 | 18L0167-01 | ND |
| 2019-01-10 | 19A0304-01 | ND |
| 2019-06-11 | 19F0863-01 | ND |
| 2019-08-21 | 19H1953-01 | ND |
| 2020-08-11 | 20H0860-01 | ND |
| 2021-09-27 | 21I1473-01 | ND |
| 2022-04-28 | 22D1682-01 | ND |
| 2022-08-16 | 22H1554-01 | ND |
| 2022-10-18 | 22J0786-01 | ND |
| 2023-02-08 | 23B0584-01 | ND |