MTBE
Stryker Lake 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 |
|---|---|---|
| 2018-10-30 | Q1843884001 | ND |
| 2018-10-30 | Q1843884004 | ND |
| 2019-05-21 | Q1927031003 | ND |
| 2019-05-21 | Q1927031005 | ND |
| 2020-03-09 | Q2008430001 | ND |
| 2020-03-09 | Q2008430003 | ND |
| 2021-12-09 | Q2134776007 | ND |
| 2021-12-09 | Q2134776009 | ND |
| 2022-12-01 | Q2235912001 | ND |
| 2022-12-01 | Q2235912003 | ND |
| 2023-10-12 | Q2343553005 | ND |
| 2023-10-12 | Q2343553007 | ND |