Government Sampling Record for 1,4-Dioxane in Frederick County
Federal monitoring data from 2013–2015 for the City of Frederick's public water system, serving 54,000 people in Frederick County, showed no detections of 1,4-dioxane above the reporting level of 0.07 micrograms per liter (µg/L). This cyclic ether, also called the solvent stabiliser, was measured but consistently below detection thresholds, with no maximum contaminant level (MCL) set federally. The EPA’s cancer risk reference concentration is 0.35 µg/L, a figure used to assess health impact but not a regulatory limit.
Difference Between UCMR3 Detection and State Notification Levels for Dioxane
No Detections Above Reporting Level
The Unregulated Contaminant Monitoring Rule 3 (UCMR3) reporting level at 0.07 µg/L means the federal survey detected no measurable quantities of the cyclic ether in the water sample data for the City of Frederick during the stated period.
State Notification Thresholds May Vary
State notification levels for the solvent stabiliser, if established, differ from federal detection limits and guide state-level monitoring but do not equate to violations or unsafe conditions when not surpassed.
Maintenance Rhythm of the Documented Technology
Routine Filter Replacement
The C-Series 1,4-Dioxane Filter ships ready to configure and requires regular media changes according to water demand and quality to maintain effective treatment of the cyclic ether if present.
System Checks for Performance
Periodic performance assessments, such as measuring pressure and flow, help ensure the household equipment operates within specification, addressing the solvent stabiliser consistently.
Household Symptoms Related to 1,4-Dioxane
Symptoms Not Directly Linked
The presence of 1,4-dioxane in water, especially at low or undetected levels, generally does not cause noticeable taste, odor, or staining issues in household water.
When to Consider Testing
Visible or odor changes usually indicate other water quality issues and are not conclusive indicators of the solvent stabiliser’s presence or concentration.
Testing Priority Order From Least to Most Expensive
Initial Visual and Sensory Checks
Begin by observing water clarity, taste, or smell to rule out common household water concerns unrelated to dioxane.
Basic Water Quality Tests
Check total dissolved solids and other standard parameters to evaluate general water condition before pursuing specialized dioxane analysis.
Laboratory Testing for 1,4-Dioxane
Certified laboratory analysis focusing on 1,4-dioxane concentration (in micrograms per liter or parts per billion) provides definitive data to assess solvent stabiliser levels unique to your household water.
Why Aesthetic Secondary Standards Differ From Health-Based Limits
Chloride and Total Dissolved Solids Thresholds
Aesthetic secondary standards govern taste, staining, and corrosivity but do not indicate health safety. These thresholds are separate from any health-based reference concentrations for the cyclic ether.
No Health Concern From Aesthetic Exceedances Alone
Exceeding aesthetic limits does not imply health risk related to 1,4-dioxane, which is assessed independently by health-based references.
Matching Treatment Capacity to Household Daily Water Demand
Calculate Household Water Use
Estimating daily water demand supports selecting the appropriate C-Series 1,4-Dioxane Filter capacity, ensuring it can handle the volume of water requiring treatment for the solvent stabiliser.
Consider Peak and Average Consumption
Align treatment equipment capability with expected peak usage times to maintain consistent water quality without supply interruptions.
Choosing equipment that meets or exceeds your household’s daily demand ensures effective management of potential 1,4-dioxane at the levels suggested by local government sampling. The C-Series 1,4-Dioxane Filter is designed to address this need, shipping ready to configure for residential use based on your measured water consumption.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2015-12-09. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR3 monitoring (2013-2015) for City of Frederick (MD0100015), MD: 16 results across 1 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level