The Power of Information

National Drinking Water Database

Fort Lee Utilities - Fort Lee, VA

Serves 11,594 people


Chlorate is a disinfection byproduct (unregulated chlorine dioxide byproduct), an herbicide and a pollutant from explosives.
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
18 days
Tests ConductedNumber of individual tests done for this contaminant
52 tests

Testing Summary

Health Limit
Legal Limit

Testing History

-Tested      -Detected      -Over Health Guidelines      -Over Legal Limit*
ChlorateChlorate is a disinfection byproduct (unregulated chlorine dioxide byproduct), an herbicide and a pollutant from explosives.136.06 ppb
848.33 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 Chlorate

Health Based Limits for Chlorate

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
2009-01-220 ppb330 ppb
2008-10-020 ppb440 ppb
2005-10-11143.67 ppb30138 to 155 ppb
2005-07-13146.13 ppb3079.4 to 183 ppb
2005-04-19137.57 ppb3067.7 to 175 ppb
2005-01-26116.1 ppb3068.3 to 141 ppb
2004-12-15124.33 ppb3075 to 153 ppb
2004-12-0873.8 ppb1073.8 ppb
2004-11-22153.5 ppb20147 to 160 ppb
2004-10-27165.23 ppb3094.7 to 202 ppb
2004-09-1382.27 ppb3012.8 to 153 ppb
2004-08-3089.73 ppb3030.7 to 122.5 ppb
2004-07-1454.33 ppb3033 to 95 ppb
2004-06-15848.33 ppb30792 to 910 ppb
2004-05-2069.33 ppb310 to 105 ppb
2004-04-2071.4 ppb3031.2 to 93.9 ppb
2004-03-2397.83 ppb3026.5 to 157 ppb
2004-02-2575.6 ppb3030.3 to 101 ppb