MTBE
West Milford Township Municipal Utilities Authority - Birch Hill Park
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.
6
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 | 1 | 0 | ND |
| 2019 | 0.512 ppb | 1 | 1 | 0.512 ppb |
| 2020 | 1.19 ppb | 1 | 1 | 1.19 ppb |
| 2021 | 0.950 ppb | 1 | 1 | 0.950 ppb |
| 2022 | 1.24 ppb | 1 | 1 | 1.24 ppb |
| 2023 | 2.08 ppb | 1 | 1 | 2.08 ppb |
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 |
|---|---|---|
| 2018-04-04 | N061797-01 | ND |
| 2019-06-11 | 9060392-01 | 0.512 ppb |
| 2020-06-22 | 0060985-01 | 1.19 ppb |
| 2021-05-26 | 1051244-01 | 0.950 ppb |
| 2022-06-14 | 2060698-01 | 1.24 ppb |
| 2023-06-13 | 23F0601-01 | 2.08 ppb |