The Power of Information

National Drinking Water Database

Henry Co Pwsd #4 Utilities - Blairstown, MO

Serves 725 people

Tribromoacetic acid

Tribromoacetic acid is a haloacetic acid and an unregulated byproduct of tap water disinfection using ozonation.
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
12 days
Tests ConductedNumber of individual tests done for this contaminant
21 tests

Testing Summary

Health Limit
Legal Limit

Testing History

-Tested      -Detected      -Over Health Guidelines      -Over Legal Limit*
Tribromoacetic acidTribromoacetic acid is a haloacetic acid and an unregulated byproduct of tap water disinfection using ozonation.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 Tribromoacetic acid

Health Based Limits for Tribromoacetic acid

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
2009-06-030 ppb110 ppb
2009-05-180 ppb110 ppb
2008-12-090 ppb220 ppb
2008-09-160 ppb220 ppb
2008-06-160 ppb220 ppb
2008-03-130 ppb110 ppb
2007-12-120 ppb220 ppb
2007-09-100 ppb220 ppb
2007-06-110 ppb220 ppb
2007-03-120 ppb220 ppb
2006-12-140 ppb220 ppb
2006-09-130 ppb220 ppb