The Power of Information

National Drinking Water Database


Board of Water Supply (Honolulu/Windward/Pearl Harbor) Utilities - Honolulu, HI

Serves 661,004 people

Bromide

Bromide is a naturally occurring element found in surface waters and groundwater and contributes to the formation of toxic tap water disinfection byproducts.
 
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
28 days
Tests ConductedNumber of individual tests done for this contaminant
88 tests

Testing Summary

ContaminantAverage/
Maximum
Result		Health Limit
Exceeded		Legal Limit
Exceeded

Testing History

-Tested      -Detected      -Over Health Guidelines      -Over Legal Limit*
BromideBromide is a naturally occurring element found in surface waters and groundwater and contributes to the formation of toxic tap water disinfection byproducts.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 Bromide

Health Based Limits for Bromide

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
2009-05-120 ppb440 ppb
2009-04-300 ppb110 ppb
2009-04-290 ppb220 ppb
2009-04-140 ppb550 ppb
2009-03-240 ppb770 ppb
2009-02-260 ppb440 ppb
2009-02-110 ppb110 ppb
2008-11-120 ppb220 ppb
2008-09-230 ppb110 ppb
2008-09-110 ppb110 ppb
2008-09-100 ppb220 ppb
2008-08-210 ppb330 ppb
2008-08-200 ppb330 ppb
2008-08-190 ppb330 ppb
2008-08-080 ppb110 ppb
2008-06-190 ppb110 ppb
2008-06-170 ppb330 ppb
2008-06-050 ppb220 ppb
2008-06-040 ppb330 ppb
2008-06-030 ppb770 ppb
2008-04-080 ppb440 ppb
2008-04-030 ppb110 ppb
2008-04-020 ppb440 ppb
2008-02-270 ppb880 ppb
2008-02-140 ppb330 ppb
2008-01-310 ppb660 ppb
2008-01-300 ppb330 ppb
2008-01-290 ppb330 ppb