MTBE
Waysons Mobile Court
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.
18
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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 8 | 0 | ND |
| 2021 | ND | 6 | 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 |
|---|---|---|
| 2020-01-29 | E20002533008 | ND |
| 2020-01-29 | E20002533006 | ND |
| 2020-04-28 | E20003450001 | ND |
| 2020-04-28 | E20003451001 | ND |
| 2020-07-21 | E21000205001 | ND |
| 2020-07-21 | E21000205004 | ND |
| 2020-10-28 | E21001188006 | ND |
| 2020-10-28 | E21001188008 | ND |
| 2021-02-16 | E21002129004 | ND |
| 2021-02-16 | E21002129001 | ND |
| 2021-04-12 | E21002853001 | ND |
| 2021-04-12 | E21002853004 | ND |
| 2021-08-30 | E22000728001 | ND |
| 2021-08-30 | E22000728004 | ND |
| 2022-02-01 | 0020223_01_02022225 | ND |
| 2022-02-01 | 0020223_02_020222128 | ND |
| 2023-07-06 | E2400002501 | ND |
| 2023-07-06 | E2400002601 | ND |