The Power of Information

National Drinking Water Database


Calam - Rosemont Utilities - Sacramento, CA


Serves 19,272 people

Ethyl-t-butyl ether (ETBE)

Ethyl-t-butyl ether is a synthetic chemical used as a fuel additive and an octane enhancer for gasoline.
 
This Drinking Water System
Test Days Exceeding Health GuidelinesDefinition of what this is
0 days
Test Days Exceeding Legal LimitsNumber of days in which the samples taken in that day exceed the Maximum Contaminant Level (Depending on the contaminant and its MCL, that may or may not trigger an MCL violation. Some MCLs are based on averages spanning several months to a year)
0 days
Test DaysNumber of days in which this chemical has reported results in the data we received from the State
50 days
Tests ConductedNumber of individual tests done for this contaminant
101 tests

Testing Summary

ContaminantAverage/
Maximum
Result
Health Limit
Exceeded
Legal Limit
Exceeded

Testing History

-Tested      -Detected      -Over Health Guidelines      -Over Legal Limit*
Ethyl-t-butyl ether (ETBE)Ethyl-t-butyl ether is a synthetic chemical used as a fuel additive and an octane enhancer for gasoline.0 ppb
0 ppb
NoLegal at any levelThis is the Federal Limit. State Limits may be lower.
NOTE: Each dot in the above graph represents one month.
* Water utilities are noted as exceeding the legal limit if any test is above the maximum contaminant level (MCL). Most MCLs are based on annual averages so exceeding the MCL for one test does not necessarily indicate that the system is out of compliance.

Health Based and Legal Limits for Ethyl-t-butyl ether (ETBE)

Health Based Limits for Ethyl-t-butyl ether (ETBE)

There are no health based standards that EWG is using for this chemical

Testing Results

Testing DateAverage
Result
Samples taken that dayNumber of Non-DetectsRange of Results
2009-03-240 ppb110 ppb
2009-02-260 ppb110 ppb
2009-02-250 ppb110 ppb
2009-02-240 ppb110 ppb
2008-12-040 ppb440 ppb
2008-08-070 ppb330 ppb
2008-08-060 ppb220 ppb
2008-08-050 ppb220 ppb
2008-07-010 ppb110 ppb
2008-06-170 ppb110 ppb
2008-05-200 ppb220 ppb
2008-03-270 ppb110 ppb
2008-03-130 ppb110 ppb
2008-03-050 ppb110 ppb
2008-02-260 ppb110 ppb
2007-12-100 ppb110 ppb
2007-11-290 ppb110 ppb
2007-11-280 ppb110 ppb
2007-11-270 ppb110 ppb
2007-09-200 ppb110 ppb
2007-09-130 ppb220 ppb
2007-09-110 ppb440 ppb
2007-06-190 ppb110 ppb
2007-06-060 ppb440 ppb
2007-02-220 ppb220 ppb
2007-02-160 ppb330 ppb
2006-11-200 ppb550 ppb
2006-08-100 ppb220 ppb
2006-08-090 ppb330 ppb
2006-08-030 ppb220 ppb
2006-05-230 ppb220 ppb
2006-05-170 ppb220 ppb
2006-05-160 ppb110 ppb
2006-03-150 ppb110 ppb
2006-02-240 ppb220 ppb
2006-02-230 ppb110 ppb
2006-02-210 ppb110 ppb
2005-12-150 ppb110 ppb
2005-12-140 ppb110 ppb
2005-12-130 ppb110 ppb
2005-08-170 ppb550 ppb
2005-06-130 ppb220 ppb
2005-06-010 ppb550 ppb
2005-02-220 ppb110 ppb
2005-02-150 ppb330 ppb
2005-01-050 ppb110 ppb
2004-11-090 ppb330 ppb
2004-09-070 ppb330 ppb
2004-06-160 ppb550 ppb
2004-03-020 ppb440 ppb