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National Drinking Water Database

Kern County Water Agency Utilities - Bakersfield, CA

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Methyl isobutyl ketone

Methyl isobutyl ketone (4-Methyl-2-pentanone) is an industrial chemical used in the production of paints, pesticides, textiles, inks and rubber.
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
19 days
Tests ConductedNumber of individual tests done for this contaminant
19 tests

Testing Summary

Health Limit
Legal Limit

Testing History

-Tested      -Detected      -Over Health Guidelines      -Over Legal Limit*
Methyl isobutyl ketoneMethyl isobutyl ketone (4-Methyl-2-pentanone) is an industrial chemical used in the production of paints, pesticides, textiles, inks and rubber.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 Methyl isobutyl ketone

Health Based Limits for Methyl isobutyl ketone

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

Testing Results

Testing DateAverage
Samples taken that dayNumber of Non-DetectsRange of Results
2008-10-080 ppb110 ppb
2008-07-010 ppb110 ppb
2008-04-080 ppb110 ppb
2008-02-060 ppb110 ppb
2007-10-110 ppb110 ppb
2007-04-050 ppb110 ppb
2007-02-090 ppb110 ppb
2006-10-300 ppb110 ppb
2006-07-200 ppb110 ppb
2006-05-050 ppb110 ppb
2006-03-010 ppb110 ppb
2005-12-270 ppb110 ppb
2005-08-180 ppb110 ppb
2005-06-060 ppb110 ppb
2005-02-220 ppb110 ppb
2004-11-220 ppb110 ppb
2004-08-260 ppb110 ppb
2004-05-190 ppb110 ppb
2004-02-240 ppb110 ppb