MTBE
Surry, Town of
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 | 2 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 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 |
|---|---|---|
| 2018-03-20 | E171201235 | ND |
| 2018-03-20 | E171201236 | ND |
| 2020-04-13 | 20D0536-01 | ND |
| 2020-04-13 | 20D0536-02 | ND |
| 2021-02-09 | 21B0390-02 | ND |
| 2021-02-09 | 21B0390-04 | ND |
| 2022-02-15 | 22B1079-02 | ND |
| 2022-02-15 | 22B1079-04 | ND |
| 2023-03-15 | 23C0918-02 | ND |
| 2023-03-15 | 23C0918-04 | ND |