MTBE
City of Aubrey
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.
28
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 | 4 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 7 | 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 |
|---|---|---|
| 2018-03-15 | Q1810837004 | ND |
| 2018-03-15 | Q1810837006 | ND |
| 2018-03-15 | Q1810837008 | ND |
| 2018-03-15 | Q1810837002 | ND |
| 2019-05-15 | Q1926233001 | ND |
| 2019-05-15 | Q1926233003 | ND |
| 2019-05-15 | Q1926233005 | ND |
| 2019-05-15 | Q1926233007 | ND |
| 2020-03-26 | Q2012850003 | ND |
| 2020-05-18 | Q2019651001 | ND |
| 2020-10-05 | Q2038828008 | ND |
| 2020-10-05 | Q2038828010 | ND |
| 2020-10-05 | Q2038828012 | ND |
| 2021-07-01 | Q2117370014 | ND |
| 2021-07-01 | Q2117370018 | ND |
| 2021-07-01 | Q2117370016 | ND |
| 2021-07-01 | Q2117370012 | ND |
| 2022-10-13 | Q2231065002 | ND |
| 2022-10-13 | Q2231065004 | ND |
| 2022-10-13 | Q2231065006 | ND |
| 2022-10-13 | Q2231065008 | ND |
| 2023-04-11 | Q2313300012 | ND |
| 2023-09-26 | Q2341271006 | ND |
| 2023-09-26 | Q2341271008 | ND |
| 2023-09-26 | Q2341271010 | ND |
| 2023-09-26 | Q2341271012 | ND |
| 2023-09-26 | Q2341271037 | ND |
| 2023-11-14 | Q2348752005 | ND |