MTBE
United Water Camden
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.
45
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 |
|---|---|---|---|---|
| 2014 | 0.109 ppb | 8 | 2 | ND - 0.460 ppb |
| 2015 | 0.139 ppb | 7 | 3 | ND - 0.430 ppb |
| 2016 | 0.187 ppb | 6 | 4 | ND - 0.400 ppb |
| 2017 | 0.138 ppb | 8 | 4 | ND - 0.300 ppb |
| 2018 | 0.150 ppb | 8 | 5 | ND - 0.400 ppb |
| 2019 | 0.113 ppb | 8 | 6 | ND - 0.200 ppb |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
|---|---|---|
| 2014-01-23 | L4860681-1 | ND |
| 2014-04-02 | L4973868-1 | 0.460 ppb |
| 2014-04-23 | L4836729-1 | 0.410 ppb |
| 2014-06-19 | L5075703-1 | ND |
| 2014-07-17 | L5125462-2 | ND |
| 2014-07-17 | L5125462-1 | ND |
| 2014-10-08 | L5279958-1 | ND |
| 2014-10-08 | L5280200-1 | ND |
| 2015-01-07 | L5367906-1 | 0.290 ppb |
| 2015-04-09 | L5408298-1 | 0.250 ppb |
| 2015-06-10 | L5442440-1 | ND |
| 2015-07-08 | L5697935-1 | ND |
| 2015-07-08 | L5697935-2 | ND |
| 2015-10-06 | L5852934-1 | 0.430 ppb |
| 2015-10-06 | L5852934-2 | ND |
| 2016-01-13 | L6017295-1 | 0.220 ppb |
| 2016-04-13 | L6131197-1 | 0.300 ppb |
| 2016-07-05 | L6354818-1 | 0.400 ppb |
| 2016-07-28 | L6391493-1 | ND |
| 2016-10-06 | L6129975-1 | 0.200 ppb |
| 2016-10-06 | L6129975-2 | ND |
| 2017-01-04 | L6599761-1 | 0.300 ppb |
| 2017-01-04 | L6568616-1 | ND |
| 2017-04-03 | L6598694-1 | 0.300 ppb |
| 2017-04-05 | L6721513-1 | ND |
| 2017-07-18 | L6876431-1 | 0.300 ppb |
| 2017-07-18 | L6876431-2 | ND |
| 2017-10-11 | L6951588-1 | 0.200 ppb |
| 2017-10-11 | L6951588-2 | ND |
| 2018-01-09 | L6991672-1 | 0.300 ppb |
| 2018-01-09 | L6991673-1 | ND |
| 2018-04-10 | L7009540-1 | 0.400 ppb |
| 2018-04-10 | L7009540-2 | 0.1000 ppb |
| 2018-07-13 | L7050666-1 | 0.200 ppb |
| 2018-07-13 | L7050668-1 | ND |
| 2018-10-08 | L7071745-2 | ND |
| 2018-10-08 | L7071745-1 | 0.200 ppb |
| 2019-01-14 | L7098217-1 | ND |
| 2019-01-14 | L7098218-1 | ND |
| 2019-04-01 | L7114844-1 | 0.1000 ppb |
| 2019-04-01 | L7114843-1 | 0.200 ppb |
| 2019-07-01 | L7141906-1 | 0.200 ppb |
| 2019-07-01 | L7141905-1 | 0.1000 ppb |
| 2019-10-14 | L7167781-1 | 0.1000 ppb |
| 2019-10-14 | L7167782-1 | 0.200 ppb |