MTBE
Terrell County Water Control and Improvement District 1
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 |
|---|---|---|
| 2018-08-22 | AE38149 | ND |
| 2018-08-22 | AE38153 | ND |
| 2019-05-09 | AE65705 | ND |
| 2019-05-09 | AE65707 | ND |
| 2020-09-17 | AF27757 | ND |
| 2020-09-17 | AF27759 | ND |
| 2021-07-20 | AF62667 | ND |
| 2021-07-20 | AF62673 | ND |
| 2022-05-19 | AF97762 | ND |
| 2022-05-19 | AF97768 | ND |
| 2023-09-20 | AG57080 | ND |
| 2023-09-20 | AG57086 | ND |