The Power of Information

National Drinking Water Database

City of Modesto Utilities - Modesto, CA

Serves 190,106 people

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
63 days
Tests ConductedNumber of individual tests done for this contaminant
201 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
2009-03-260 ppb110 ppb
2009-03-240 ppb11110 ppb
2009-03-190 ppb110 ppb
2009-03-170 ppb15150 ppb
2009-03-160 ppb110 ppb
2009-03-100 ppb15150 ppb
2009-03-030 ppb17170 ppb
2008-12-020 ppb220 ppb
2008-11-180 ppb110 ppb
2008-11-050 ppb110 ppb
2008-10-010 ppb220 ppb
2008-09-240 ppb550 ppb
2008-09-170 ppb19190 ppb
2008-09-100 ppb21210 ppb
2008-09-030 ppb16160 ppb
2008-07-140 ppb220 ppb
2008-07-080 ppb110 ppb
2008-06-230 ppb110 ppb
2008-06-170 ppb110 ppb
2008-05-220 ppb110 ppb
2008-05-070 ppb110 ppb
2008-04-230 ppb110 ppb
2007-11-150 ppb110 ppb
2007-10-020 ppb110 ppb
2007-09-040 ppb110 ppb
2007-08-070 ppb110 ppb
2007-07-170 ppb110 ppb
2007-07-030 ppb110 ppb
2007-06-050 ppb110 ppb
2007-05-010 ppb110 ppb
2007-04-170 ppb110 ppb
2007-04-030 ppb110 ppb
2007-03-060 ppb110 ppb
2007-02-060 ppb110 ppb
2007-01-020 ppb110 ppb
2006-12-050 ppb110 ppb
2006-11-130 ppb110 ppb
2006-09-050 ppb220 ppb
2006-08-290 ppb220 ppb
2006-08-220 ppb220 ppb
2006-08-150 ppb220 ppb
2006-08-080 ppb220 ppb
2006-08-010 ppb220 ppb
2006-07-250 ppb220 ppb
2006-07-180 ppb220 ppb
2006-07-110 ppb220 ppb
2006-07-050 ppb220 ppb
2006-06-290 ppb220 ppb
2006-06-200 ppb220 ppb
2006-06-130 ppb220 ppb
2006-06-060 ppb220 ppb
2006-05-310 ppb220 ppb
2006-05-230 ppb220 ppb
2006-05-160 ppb220 ppb
2006-05-080 ppb220 ppb
2006-05-020 ppb220 ppb
2006-04-040 ppb220 ppb
2006-03-070 ppb220 ppb
2006-02-070 ppb220 ppb
2005-10-190 ppb110 ppb
2005-10-120 ppb110 ppb
2005-09-130 ppb220 ppb
2005-06-150 ppb220 ppb