MTBE

United Water NJ

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.

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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	6	ND
2015	ND	5	ND
2016	ND	6	ND
2017	ND	5	ND
2018	ND	5	ND
2019	ND	5	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
2014-01-13	4010376-01	ND
2014-04-25	4040799-01	ND
2014-07-11	4070413-02	ND
2014-07-15	4070504-01	ND
2014-08-08	4080292-01	ND
2014-10-16	4100565-01	ND
2015-02-06	2054000001	ND
2015-04-10	2064709001	ND
2015-07-10	2082526001	ND
2015-10-27	2104483001	ND
2015-10-29	2105071001	ND
2016-01-08	2117772001	ND
2016-04-01	2133842001	ND
2016-07-06	2156719001	ND
2016-07-26	2162446001	ND
2016-10-22	2184284001	ND
2016-11-04	2189025001	ND
2017-01-13	7010362-02	ND
2017-04-07	7040257-01	ND
2017-07-05	7070052-01	ND
2017-07-17	7070458-01	ND
2017-07-21	7070735-02	ND
2018-01-24	8010726-01	ND
2018-04-06	8040261-01	ND
2018-07-06	8070310-01	ND
2018-07-10	8070363-01	ND
2018-10-04	8100284-01	ND
2019-01-08	9010311-01	ND
2019-04-04	9040295-01	ND
2019-07-09	9070487-01	ND
2019-07-16	9070896-01	ND
2019-10-16	9100925-01	ND