MTBE
Toledo Village Water Supply Corporation
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 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 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 |
|---|---|---|
| 2018-08-02 | AE35556 | ND |
| 2018-08-02 | AE35560 | ND |
| 2019-03-21 | AE59468 | ND |
| 2019-03-21 | AE59470 | ND |
| 2020-07-01 | AF17859 | ND |
| 2020-07-01 | AF17865 | ND |
| 2021-07-21 | AF62836 | ND |
| 2021-07-21 | AF62840 | ND |
| 2022-07-11 | AG03880 | ND |
| 2022-07-11 | AG03882 | ND |
| 2023-03-28 | AG34389 | ND |
| 2023-03-28 | AG34405 | ND |