MTBE
United Water Rahway
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.
73
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 | 0.270 ppb | 12 | 4 | ND - 1.49 ppb |
| 2015 | 0.280 ppb | 12 | 8 | ND - 1.000 ppb |
| 2016 | 0.148 ppb | 12 | 5 | ND - 0.700 ppb |
| 2017 | 0.147 ppb | 12 | 4 | ND - 0.652 ppb |
| 2018 | 0.208 ppb | 12 | 2 | ND - 2.22 ppb |
| 2019 | 0.0620 ppb | 13 | 2 | ND - 0.506 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 |
|---|---|---|
| 2014-01-06 | 4010154-04 | 1.49 ppb |
| 2014-02-04 | 4020071-04 | 0.800 ppb |
| 2014-03-04 | 4030106-04 | 0.480 ppb |
| 2014-04-01 | 4040063-04 | ND |
| 2014-05-06 | 4050210-04 | ND |
| 2014-06-02 | 4060019-04 | ND |
| 2014-07-02 | 4070083-04 | ND |
| 2014-08-05 | 4080206-04 | ND |
| 2014-09-02 | 4090068-04 | ND |
| 2014-10-01 | 4100029-04 | ND |
| 2014-11-04 | 4110128-04 | ND |
| 2014-12-03 | 4120192-04 | 0.471 ppb |
| 2015-01-08 | 2048865001 | 0.400 ppb |
| 2015-02-04 | 2053608001 | 0.590 ppb |
| 2015-03-03 | 2057625001 | 1.000 ppb |
| 2015-04-07 | 2064326001 | 0.240 ppb |
| 2015-05-07 | 2069816004 | 0.200 ppb |
| 2015-06-09 | 2076067004 | ND |
| 2015-07-06 | 2081457001 | ND |
| 2015-08-10 | 2088901001 | ND |
| 2015-09-08 | 2094547001 | ND |
| 2015-10-06 | 2100355001 | 0.0930 ppb |
| 2015-11-09 | 2108071001 | 0.270 ppb |
| 2015-12-02 | 2111153001 | 0.570 ppb |
| 2016-01-11 | 2117774001 | 0.700 ppb |
| 2016-02-08 | 2123461001 | 0.260 ppb |
| 2016-03-08 | 2129590001 | 0.440 ppb |
| 2016-04-04 | 2134709001 | ND |
| 2016-05-09 | 2142323001 | ND |
| 2016-06-03 | 2148847001 | ND |
| 2016-07-25 | 2162441001 | ND |
| 2016-08-08 | 2166270001 | 0.1000 ppb |
| 2016-09-06 | 2172944001 | ND |
| 2016-10-11 | 2181833001 | 0.270 ppb |
| 2016-11-07 | 2188181001 | ND |
| 2016-12-09 | 2195131001 | ND |
| 2017-01-06 | 7010175-04 | ND |
| 2017-02-06 | 7020251-04 | 0.352 ppb |
| 2017-03-09 | 7030313-04 | 0.446 ppb |
| 2017-04-13 | 7040482-04 | ND |
| 2017-05-03 | 7050241-04 | ND |
| 2017-06-05 | 7060265-04 | ND |
| 2017-07-06 | 7070145-04 | ND |
| 2017-08-07 | 7080364-04 | ND |
| 2017-09-05 | 7090127-04 | ND |
| 2017-10-04 | 7100200-04 | ND |
| 2017-11-17 | 7110665-04 | 0.308 ppb |
| 2017-12-15 | 7120650-04 | 0.652 ppb |
| 2018-01-09 | 8010322-04 | 2.22 ppb |
| 2018-02-07 | 8020295-04 | ND |
| 2018-03-06 | 8030252-03 | 0.273 ppb |
| 2018-04-04 | 8040228-02 | ND |
| 2018-05-01 | 8050127-03 | ND |
| 2018-06-04 | 8060087-03 | ND |
| 2018-07-02 | 8070223-03 | ND |
| 2018-08-08 | 8080371-03 | ND |
| 2018-09-05 | 8090147-03 | ND |
| 2018-10-11 | 8100595-03 | ND |
| 2018-11-14 | 8110569-03 | ND |
| 2018-12-06 | 8120203-03 | ND |
| 2019-01-04 | 9010110-03 | ND |
| 2019-02-06 | 9020279-03 | 0.506 ppb |
| 2019-03-08 | 9030319-03 | ND |
| 2019-04-12 | 9040655-01 | ND |
| 2019-05-14 | 9050675-02 | ND |
| 2019-06-12 | 9060448-02 | ND |
| 2019-06-27 | 9061126-01 | ND |
| 2019-07-03 | 9070204-02 | ND |
| 2019-08-09 | 9080462-02 | ND |
| 2019-09-09 | 9090315-02 | ND |
| 2019-10-07 | 9100313-02 | ND |
| 2019-11-15 | 9110694-02 | 0.300 ppb |
| 2019-12-12 | 9120552-02 | ND |