MTBE

Wright-Patterson AFB Area A PWS

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.

MORE ABOUT THIS CONTAMINANT

175

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Range of results
2014	ND	12	ND
2015	ND	30	ND
2016	ND	35	ND
2017	ND	38	ND
2018	ND	40	ND
2019	ND	20	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
2014-02-13	14B0607-01	ND
2014-02-13	14B0607-02	ND
2014-02-13	14B0607-03	ND
2014-02-13	14B0607-04	ND
2014-02-13	14B0607-05	ND
2014-02-13	14B0607-06	ND
2014-02-13	14B0607-07	ND
2014-02-13	14B0607-08	ND
2014-04-14	14D0736-01	ND
2014-04-14	14D0736-02	ND
2014-04-14	14D0736-03	ND
2014-04-14	14D0736-04	ND
2015-03-12	15C0761-01	ND
2015-03-12	15C0761-02	ND
2015-03-12	15C0761-03	ND
2015-03-12	15C0761-04	ND
2015-03-12	15C0761-05	ND
2015-03-12	15C0761-06	ND
2015-03-12	15C0761-07	ND
2015-03-12	15C0761-08	ND
2015-05-04	15E0182-01	ND
2015-05-04	15E0182-02	ND
2015-05-04	15E0182-03	ND
2015-05-04	15E0182-04	ND
2015-05-29	15E1693-05	ND
2015-05-29	15E1693-06	ND
2015-08-28	15H1588-01	ND
2015-08-28	15H1588-02	ND
2015-08-28	15H1588-03	ND
2015-08-28	15H1588-04	ND
2015-08-28	15H1588-05	ND
2015-08-28	15H1588-06	ND
2015-08-28	15H1588-07	ND
2015-08-28	15H1588-08	ND
2015-10-21	15J1242-01	ND
2015-10-21	15J1242-02	ND
2015-10-21	15J1242-03	ND
2015-10-21	15J1242-04	ND
2015-10-21	15J1242-05	ND
2015-10-21	15J1242-06	ND
2015-10-21	15J1242-07	ND
2015-10-21	15J1242-08	ND
2016-02-19	16B0982-01	ND
2016-02-19	16B0982-02	ND
2016-02-19	16B0982-03	ND
2016-02-19	16B0982-04	ND
2016-02-19	16B0982-05	ND
2016-02-19	16B0982-06	ND
2016-02-19	16B0982-07	ND
2016-02-19	16B0982-08	ND
2016-04-15	16D0969-01	ND
2016-04-15	16D0969-02	ND
2016-04-15	16D0969-03	ND
2016-04-15	16D0969-04	ND
2016-04-15	16D0969-05	ND
2016-04-15	16D0969-06	ND
2016-04-15	16D0969-07	ND
2016-04-15	16D0969-08	ND
2016-04-20	16D1332-01	ND
2016-04-20	16D1332-02	ND
2016-04-20	16D1332-03	ND
2016-04-20	16D1332-04	ND
2016-04-20	16D1332-01	ND
2016-04-20	16D1332-02	ND
2016-04-20	16D1332-03	ND
2016-04-20	16D1332-04	ND
2016-08-03	16H0438-01	ND
2016-08-03	16H0438-02	ND
2016-08-03	16H0438-03	ND
2016-08-03	16H0438-04	ND
2016-10-21	16J1337-01	ND
2016-10-21	16J1337-02	ND
2016-10-21	16J1337-03	ND
2016-10-21	16J1337-04	ND
2016-12-06	16L0488-01	ND
2016-12-06	16L0488-02	ND
2016-12-06	16L0488-03	ND
2017-01-19	17A0998-04	ND
2017-01-19	17A0998-05	ND
2017-01-19	17A0998-03	ND
2017-01-24	17A1170-01	ND
2017-01-24	17A1170-02	ND
2017-01-24	17A1170-03	ND
2017-01-24	17A1170-04	ND
2017-04-11	17D0725-01	ND
2017-04-11	17D0725-02	ND
2017-04-11	17D0725-03	ND
2017-05-03	17E0251-01	ND
2017-05-03	17E0251-02	ND
2017-05-03	17E0251-03	ND
2017-05-03	17E0251-04	ND
2017-06-19	17F1272-01	ND
2017-06-19	17F1272-02	ND
2017-06-19	17F1272-03	ND
2017-06-19	17F1272-04	ND
2017-06-19	17F1272-06	ND
2017-07-19	17G1085-01	ND
2017-07-19	17G1066-01	ND
2017-07-19	17G1082-01	ND
2017-07-19	17G1084-01	ND
2017-07-20	17G1212-01	ND
2017-07-20	17G1212-02	ND
2017-07-20	17G1212-03	ND
2017-07-20	17G1212-04	ND
2017-08-09	17H0675-01	ND
2017-10-06	17J0438-01	ND
2017-10-06	17J0442-01	ND
2017-10-06	17J0447-01	ND
2017-10-06	17J0441-01	ND
2017-10-27	17K0105-01	ND
2017-10-27	17K0105-02	ND
2017-10-27	17K0107-01	ND
2017-10-27	17K0107-02	ND
2017-10-27	17K0107-03	ND
2017-10-27	17K0107-04	ND
2018-01-19	18A1100-01	ND
2018-01-19	18A1098-01	ND
2018-01-19	18A1097-01	ND
2018-01-19	18A1099-01	ND
2018-01-26	18A1527-01	ND
2018-01-26	18A1527-02	ND
2018-01-26	18A1525-01	ND
2018-01-26	18A1525-02	ND
2018-01-26	18A1525-03	ND
2018-01-26	18A1525-04	ND
2018-04-20	18D1434-01	ND
2018-04-20	18D1428-01	ND
2018-04-20	18D1430-01	ND
2018-04-20	18D1431-01	ND
2018-04-23	18D1476-01	ND
2018-04-23	18D1476-02	ND
2018-04-23	18D1480-01	ND
2018-04-23	18D1480-02	ND
2018-04-23	18D1480-03	ND
2018-04-23	18D1480-04	ND
2018-07-19	18G1378-01	ND
2018-07-19	18G1379-01	ND
2018-07-19	18G1381-01	ND
2018-07-19	18G1382-01	ND
2018-07-23	18G1593-01	ND
2018-07-23	18G1593-02	ND
2018-07-23	18G1592-01	ND
2018-07-23	18G1592-02	ND
2018-07-23	18G1592-03	ND
2018-07-23	18G1592-04	ND
2018-10-17	18J1240-01	ND
2018-10-17	18J1244-01	ND
2018-10-17	18J1246-01	ND
2018-10-17	18J1242-01	ND
2018-10-23	18J1673-01	ND
2018-10-23	18J1673-02	ND
2018-10-23	18J1671-01	ND
2018-10-23	18J1671-02	ND
2018-10-23	18J1671-03	ND
2018-10-23	18J1671-04	ND
2019-07-03	5217685001	ND
2019-07-03	5217685005	ND
2019-07-03	5217685006	ND
2019-07-03	5217685002	ND
2019-07-03	5217685003	ND
2019-07-03	5217685004	ND
2019-08-07	5220196001	ND
2019-08-07	5220196002	ND
2019-08-07	5220196003	ND
2019-08-07	5220196004	ND
2019-10-02	5224523001	ND
2019-10-02	5224523002	ND
2019-10-02	5224523003	ND
2019-10-02	5224523004	ND
2019-10-02	5224523005	ND
2019-10-03	5224839001	ND
2019-10-03	5224840001	ND
2019-10-03	5224840002	ND
2019-10-03	5224841001	ND
2019-10-03	5224838001	ND