MTBE
City of Garden Grove
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 37 | 0 | ND |
2015 | ND | 31 | 0 | ND |
2016 | ND | 32 | 0 | ND |
2017 | ND | 37 | 0 | ND |
2018 | ND | 53 | 0 | ND |
2019 | ND | 42 | 0 | ND |
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 |
---|---|---|
2014-01-08 | 4417-009-0835 | ND |
2014-01-08 | 4417-011-1100 | ND |
2014-01-08 | 4417-012-0955 | ND |
2014-01-08 | 4417-014-0740 | ND |
2014-01-08 | 4417-016-1220 | ND |
2014-01-08 | 4417-019-0810 | ND |
2014-01-08 | 4417-020-0755 | ND |
2014-01-08 | 4417-039-1040 | ND |
2014-01-08 | 4417-061-0940 | ND |
2014-01-08 | 4417-063-1015 | ND |
2014-04-02 | 4417-006-1400 | ND |
2014-04-02 | 4417-009-0825 | ND |
2014-04-02 | 4417-012-0910 | ND |
2014-04-02 | 4417-013-1440 | ND |
2014-04-02 | 4417-014-0700 | ND |
2014-04-02 | 4417-018-1105 | ND |
2014-04-02 | 4417-019-0740 | ND |
2014-04-02 | 4417-020-0715 | ND |
2014-04-02 | 4417-039-1015 | ND |
2014-04-02 | 4417-061-0900 | ND |
2014-04-02 | 4417-063-0955 | ND |
2014-07-23 | 4417-009-0755 | ND |
2014-07-23 | 4417-012-0900 | ND |
2014-07-23 | 4417-014-0700 | ND |
2014-07-23 | 4417-019-0730 | ND |
2014-07-23 | 4417-020-0710 | ND |
2014-07-23 | 4417-061-0825 | ND |
2014-07-23 | 4417-063-0925 | ND |
2014-09-30 | 4417-039-1000 | ND |
2014-10-15 | 4417-009-0800 | ND |
2014-10-15 | 4417-012-0850 | ND |
2014-10-15 | 4417-014-0700 | ND |
2014-10-15 | 4417-019-0735 | ND |
2014-10-15 | 4417-020-0715 | ND |
2014-10-15 | 4417-039-0940 | ND |
2014-10-15 | 4417-061-0830 | ND |
2014-10-15 | 4417-063-0920 | ND |
2015-01-07 | 4417-009-0815 | ND |
2015-01-07 | 4417-011-1010 | ND |
2015-01-07 | 4417-012-0900 | ND |
2015-01-07 | 4417-014-0920 | ND |
2015-01-07 | 4417-016-1130 | ND |
2015-01-07 | 4417-039-1035 | ND |
2015-01-07 | 4417-061-0840 | ND |
2015-01-07 | 4417-063-0745 | ND |
2015-04-01 | 4417-006-1400 | ND |
2015-04-01 | 4417-009-0755 | ND |
2015-04-01 | 4417-012-0850 | ND |
2015-04-01 | 4417-013-1440 | ND |
2015-04-01 | 4417-014-0925 | ND |
2015-04-01 | 4417-018-1100 | ND |
2015-04-01 | 4417-019-0730 | ND |
2015-04-01 | 4417-020-0710 | ND |
2015-04-01 | 4417-039-1000 | ND |
2015-04-01 | 4417-061-0905 | ND |
2015-04-01 | 4417-063-0700 | ND |
2015-07-22 | 4417-009-0800 | ND |
2015-07-22 | 4417-012-0840 | ND |
2015-07-22 | 4417-014-0920 | ND |
2015-07-22 | 4417-039-0940 | ND |
2015-07-22 | 4417-061-0820 | ND |
2015-07-22 | 4417-063-0705 | ND |
2015-10-14 | 4417-009-0805 | ND |
2015-10-14 | 4417-012-0850 | ND |
2015-10-14 | 4417-014-0915 | ND |
2015-10-14 | 4417-039-0940 | ND |
2015-10-14 | 4417-061-0835 | ND |
2015-10-14 | 4417-063-0705 | ND |
2016-01-06 | 4417-009-0800 | ND |
2016-01-06 | 4417-011-1005 | ND |
2016-01-06 | 4417-012-0845 | ND |
2016-01-06 | 4417-013-1150 | ND |
2016-01-06 | 4417-014-0920 | ND |
2016-01-06 | 4417-016-1045 | ND |
2016-01-06 | 4417-018-1115 | ND |
2016-01-06 | 4417-019-0735 | ND |
2016-01-06 | 4417-020-0715 | ND |
2016-01-06 | 4417-039-0940 | ND |
2016-01-06 | 4417-061-0830 | ND |
2016-01-06 | 4417-063-0700 | ND |
2016-04-27 | 4417-009-0800 | ND |
2016-04-27 | 4417-012-0855 | ND |
2016-04-27 | 4417-014-0920 | ND |
2016-04-27 | 4417-039-0950 | ND |
2016-04-27 | 4417-061-0835 | ND |
2016-04-27 | 4417-063-0700 | ND |
2016-07-20 | 4417-009-0755 | ND |
2016-07-20 | 4417-012-1010 | ND |
2016-07-20 | 4417-014-0930 | ND |
2016-07-20 | 4417-039-0950 | ND |
2016-07-20 | 4417-061-0825 | ND |
2016-07-20 | 4417-063-0705 | ND |
2016-10-12 | 4417-009-0750 | ND |
2016-10-12 | 4417-012-0900 | ND |
2016-10-12 | 4417-014-1000 | ND |
2016-10-12 | 4417-039-0940 | ND |
2016-10-12 | 4417-063-0700 | ND |
2016-12-28 | 4417-061-0900 | ND |
2016-12-28 | 4417-061-0915 | ND |
2016-12-28 | 4417-061-0930 | ND |
2017-02-01 | 4417-009-0820 | ND |
2017-02-01 | 4417-012-0915 | ND |
2017-02-01 | 4417-013-1150 | ND |
2017-02-01 | 4417-014-0935 | ND |
2017-02-01 | 4417-016-1110 | ND |
2017-02-01 | 4417-018-1045 | ND |
2017-02-01 | 4417-019-0715 | ND |
2017-02-01 | 4417-020-0800 | ND |
2017-02-01 | 4417-039-1000 | ND |
2017-02-01 | 4417-061-0855 | ND |
2017-02-01 | 4417-063-0750 | ND |
2017-03-01 | 4417-011-1020 | ND |
2017-03-01 | 4417-012-0850 | ND |
2017-03-01 | 4417-012-0900 | ND |
2017-03-01 | 4417-013-1150 | ND |
2017-03-01 | 4417-013-1200 | ND |
2017-04-26 | 4417-009-0725 | ND |
2017-04-26 | 4417-011-1020 | ND |
2017-04-26 | 4417-011-1025 | ND |
2017-04-26 | 4417-012-1105 | ND |
2017-04-26 | 4417-014-0925 | ND |
2017-04-26 | 4417-016-1120 | ND |
2017-04-26 | 4417-039-0955 | ND |
2017-04-26 | 4417-061-0825 | ND |
2017-04-26 | 4417-063-0745 | ND |
2017-07-19 | 4417-009-0730 | ND |
2017-07-19 | 4417-012-0850 | ND |
2017-07-19 | 4417-014-0925 | ND |
2017-07-19 | 4417-039-0945 | ND |
2017-07-19 | 4417-061-0815 | ND |
2017-07-19 | 4417-063-0750 | ND |
2017-10-11 | 4417-009-0755 | ND |
2017-10-11 | 4417-012-0740 | ND |
2017-10-11 | 4417-014-0920 | ND |
2017-10-11 | 4417-039-0720 | ND |
2017-10-11 | 4417-061-0705 | ND |
2017-10-11 | 4417-063-0930 | ND |
2018-01-31 | 4417-009-0820 | ND |
2018-01-31 | 4417-011-0905 | ND |
2018-01-31 | 4417-012-0735 | ND |
2018-01-31 | 4417-013-1140 | ND |
2018-01-31 | 4417-014-0935 | ND |
2018-01-31 | 4417-016-1050 | ND |
2018-01-31 | 4417-018-1030 | ND |
2018-01-31 | 4417-019-0840 | ND |
2018-01-31 | 4417-020-1010 | ND |
2018-01-31 | 4417-039-0755 | ND |
2018-01-31 | 4417-061-0705 | ND |
2018-01-31 | 4417-063-0950 | ND |
2018-02-21 | 4417-006-0950 | ND |
2018-02-21 | 4417-006-1000 | ND |
2018-04-25 | 4417-009-0915 | ND |
2018-04-25 | 4417-011-0840 | ND |
2018-04-25 | 4417-012-0750 | ND |
2018-04-25 | 4417-013-1140 | ND |
2018-04-25 | 4417-014-0940 | ND |
2018-04-25 | 4417-018-1045 | ND |
2018-04-25 | 4417-019-0815 | ND |
2018-04-25 | 4417-020-1000 | ND |
2018-04-25 | 4417-039-0730 | ND |
2018-04-25 | 4417-061-0720 | ND |
2018-04-25 | 4417-063-0950 | ND |
2018-07-12 | 4417-019-0940 | ND |
2018-07-12 | 4417-019-0945 | ND |
2018-07-18 | 4417-009-0750 | ND |
2018-07-18 | 4417-012-1225 | ND |
2018-07-18 | 4417-014-0915 | ND |
2018-07-18 | 4417-019-0810 | ND |
2018-07-18 | 4417-039-0715 | ND |
2018-07-18 | 4417-061-0700 | ND |
2018-07-18 | 4417-063-0935 | ND |
2018-08-06 | 4417-019-0845 | ND |
2018-08-06 | 4417-019-0850 | ND |
2018-08-15 | 4417-011-1110 | ND |
2018-08-15 | 4417-013-1135 | ND |
2018-08-15 | 4417-018-1035 | ND |
2018-09-12 | 4417-020-0935 | ND |
2018-10-10 | 4417-009-0810 | ND |
2018-10-10 | 4417-011-0850 | ND |
2018-10-10 | 4417-012-0745 | ND |
2018-10-10 | 4417-013-1135 | ND |
2018-10-10 | 4417-014-0925 | ND |
2018-10-10 | 4417-018-1045 | ND |
2018-10-10 | 4417-019-0830 | ND |
2018-10-10 | 4417-020-1010 | ND |
2018-10-10 | 4417-039-0720 | ND |
2018-10-10 | 4417-061-0705 | ND |
2018-10-10 | 4417-063-0935 | ND |
2018-11-29 | 4417-013-0930 | ND |
2018-11-29 | 4417-013-0935 | ND |
2019-01-30 | 4417-009-0805 | ND |
2019-01-30 | 4417-011-0835 | ND |
2019-01-30 | 4417-012-0740 | ND |
2019-01-30 | 4417-013-1135 | ND |
2019-01-30 | 4417-014-0910 | ND |
2019-01-30 | 4417-016-1015 | ND |
2019-01-30 | 4417-018-1110 | ND |
2019-01-30 | 4417-019-0945 | ND |
2019-01-30 | 4417-020-0920 | ND |
2019-01-30 | 4417-039-0715 | ND |
2019-01-30 | 4417-061-0700 | ND |
2019-04-24 | 4417-009-0820 | ND |
2019-04-24 | 4417-011-0910 | ND |
2019-04-24 | 4417-012-0800 | ND |
2019-04-24 | 4417-013-1125 | ND |
2019-04-24 | 4417-014-0935 | ND |
2019-04-24 | 4417-018-1025 | ND |
2019-04-24 | 4417-019-0845 | ND |
2019-04-24 | 4417-020-0950 | ND |
2019-04-24 | 4417-039-0725 | ND |
2019-04-24 | 4417-061-0700 | ND |
2019-07-17 | 4417-009-0800 | ND |
2019-07-17 | 4417-011-0915 | ND |
2019-07-17 | 4417-012-0740 | ND |
2019-07-17 | 4417-013-0845 | ND |
2019-07-17 | 4417-014-0945 | ND |
2019-07-17 | 4417-018-1050 | ND |
2019-07-17 | 4417-019-0825 | ND |
2019-07-17 | 4417-020-1010 | ND |
2019-07-17 | 4417-039-0715 | ND |
2019-07-17 | 4417-061-0700 | ND |
2019-11-06 | 4417-009-0825 | ND |
2019-11-06 | 4417-011-0925 | ND |
2019-11-06 | 4417-012-0725 | ND |
2019-11-06 | 4417-013-0905 | ND |
2019-11-06 | 4417-014-1000 | ND |
2019-11-06 | 4417-018-1110 | ND |
2019-11-06 | 4417-019-0845 | ND |
2019-11-06 | 4417-020-1045 | ND |
2019-11-06 | 4417-039-0755 | ND |
2019-11-06 | 4417-061-0700 | ND |
2019-11-06 | 4417-063-1020 | ND |