MTBE
Collingswood Water Depar
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.
50
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 | 0.250 ppb | 8 | 2 | ND - 1.10 ppb |
| 2015 | 0.726 ppb | 8 | 6 | ND - 1.49 ppb |
| 2016 | 0.565 ppb | 8 | 3 | ND - 2.28 ppb |
| 2017 | 0.644 ppb | 9 | 7 | ND - 1.000 ppb |
| 2018 | 1.83 ppb | 10 | 10 | 0.600 ppb - 11.1 ppb |
| 2019 | 0.814 ppb | 7 | 7 | 0.600 ppb - 1.000 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 |
|---|---|---|
| 2014-03-07 | 14031563-002 | ND |
| 2014-03-07 | 14031563-001 | ND |
| 2014-06-17 | 14061881-001 | ND |
| 2014-06-17 | 14061881-002 | 1.10 ppb |
| 2014-09-24 | 14092459-002 | ND |
| 2014-09-24 | 14092459-001 | 0.900 ppb |
| 2014-12-03 | 141203/2641-02 | ND |
| 2014-12-03 | 141203/2641-01 | ND |
| 2015-03-12 | 150312/2808-02 | 0.538 ppb |
| 2015-03-12 | 150312/2808-01 | 1.49 ppb |
| 2015-05-14 | 150514/2931-2 | 1.21 ppb |
| 2015-05-14 | 150514/2931-1 | 0.910 ppb |
| 2015-08-17 | 150817/3123-7 | ND |
| 2015-08-17 | 150817/3123-6 | ND |
| 2015-11-18 | 151118/3295-6D | 1.04 ppb |
| 2015-11-18 | 151118/3295-7D | 0.619 ppb |
| 2016-02-19 | 160219/3440-5 | 2.28 ppb |
| 2016-02-19 | 160219/3440-6 | 1.32 ppb |
| 2016-05-18 | 160518/3620-5 | 0.918 ppb |
| 2016-05-18 | 160518/3620-6 | ND |
| 2016-08-18 | 160818/3800-6 | ND |
| 2016-08-18 | 160818/3800-5 | ND |
| 2016-12-02 | 161202/3978-2A | ND |
| 2016-12-02 | 161202/3978-1A | ND |
| 2017-02-21 | 170221/4468-6 | ND |
| 2017-02-21 | 170221/4468-5 | ND |
| 2017-06-26 | 36672501 | 0.800 ppb |
| 2017-06-26 | 36672502 | 0.800 ppb |
| 2017-06-30 | L6876932-1 | 1.000 ppb |
| 2017-09-15 | 37547701 | 0.800 ppb |
| 2017-09-15 | 37547702 | 0.600 ppb |
| 2017-11-27 | 38205405 | 1.000 ppb |
| 2017-11-27 | 38205406 | 0.800 ppb |
| 2018-03-20 | 39402101 | 0.800 ppb |
| 2018-03-20 | 39402102 | 0.600 ppb |
| 2018-05-25 | 40150402 | 0.700 ppb |
| 2018-05-25 | 40150401 | 11.1 ppb |
| 2018-07-10 | 40707602 | 0.700 ppb |
| 2018-07-10 | 40707601 | 1.30 ppb |
| 2018-12-28 | P18-9014-02 | 0.770 ppb |
| 2018-12-28 | 381228703A | 0.700 ppb |
| 2018-12-28 | P18-9014-01 | 0.800 ppb |
| 2018-12-28 | 381228702A | 0.800 ppb |
| 2019-01-16 | 390116768.1 | 0.800 ppb |
| 2019-01-16 | 390116767.1 | 0.800 ppb |
| 2019-04-03 | 390403745 | 0.700 ppb |
| 2019-04-03 | 390403746 | 0.600 ppb |
| 2019-07-10 | 390711700 | 1.000 ppb |
| 2019-10-16 | 391016760.1 | 1.000 ppb |
| 2019-11-20 | 391120796 | 0.800 ppb |