The Power of Information

National Drinking Water Database

Daviess Co Pwsd #3 Utilities - Altamont, MO

Serves 350 people


Butachlor is an herbicide for rice and is used to control annual grasses and broadleaf weeds.
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
22 days
Tests ConductedNumber of individual tests done for this contaminant
22 tests

Testing Summary

Health Limit
Legal Limit

Testing History

-Tested      -Detected      -Over Health Guidelines      -Over Legal Limit*
ButachlorButachlor is an herbicide for rice and is used to control annual grasses and broadleaf weeds.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 Butachlor

Health Based Limits for Butachlor

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
2009-05-190 ppb110 ppb
2009-02-230 ppb110 ppb
2008-11-190 ppb110 ppb
2008-08-250 ppb110 ppb
2008-05-210 ppb110 ppb
2008-03-310 ppb110 ppb
2007-11-280 ppb110 ppb
2007-08-150 ppb110 ppb
2007-05-150 ppb110 ppb
2007-02-050 ppb110 ppb
2006-11-200 ppb110 ppb
2006-08-140 ppb110 ppb
2006-05-160 ppb110 ppb
2006-02-130 ppb110 ppb
2005-11-100 ppb110 ppb
2005-08-110 ppb110 ppb
2005-05-050 ppb110 ppb
2005-02-090 ppb110 ppb
2004-11-110 ppb110 ppb
2004-08-170 ppb110 ppb
2004-05-170 ppb110 ppb
2004-02-230 ppb110 ppb