Know Your Environment. Protect Your Health.

MTBE

Hardyston Township Municipal Utilities Authority

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND40ND
2020ND10ND
2021ND20ND
2022ND10ND
2023ND10ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-03-20L7010368-3ND
2018-05-15L7025940-2ND
2018-06-20L7042368-4ND
2018-09-12L7071987-1ND
2018-12-18L7089323-3ND
2019-03-06L7108097-1ND
2019-05-21L7123670-1ND
2019-08-07L7152157-1ND
2019-12-05L7176489-1ND
2020-06-26200626034-01ND
2021-07-21210721105-02ND
2021-07-21210721105-07ND
2022-09-13220913061-04ND
2023-09-12230912085-06ND