If You Expect a Fixed Level of 1,4-Dioxane in Your Household Water
A common misconception is that the level of 1,4-dioxane in your home's water is identical to the public water system’s reported findings. However, federal data from Artesian Water Company, serving Bear and Hockessin, represents a wide range of conditions across the system’s 85,347 connections. The 2013-2015 monitoring revealed 1,4-dioxane detected above 0.07 µg/L in 11 of 36 tests, with a median detection of 0.25 µg/L and a highest measured value of 2.2 µg/L. Importantly, no federal maximum contaminant level exists for 1,4-dioxane, and these measurements alone do not imply any health-based violation or safety concern. Your home's specific water chemistry can only be confirmed through private testing.
If You Want the Treatment System Maintenance Rhythm in Simple Terms
The C-Series 1,4-Dioxane Filter ships ready to configure and is designed with an expected maintenance interval aligned with household usage patterns. Generally, filter media needs timely replacement based on water volume treated to maintain effectiveness against 1,4-dioxane. For a typical family, this translates to scheduled upkeep every 12 to 18 months under normal consumption. Adjustments to maintenance timing depend on the actual 1,4-dioxane levels measured in your home's water and overall water usage.
If You Are Using Median and Range Data to Gauge Concern
The median detection of 0.25 µg/L for 1,4-dioxane in Artesian Water's system indicates that half of the detected results were higher and half lower, across the multiple monitoring points and timeframes. The highest recorded detection at 2.2 µg/L shows some locations or times with elevated readings but does not represent everyday levels in every household. This monitoring spanned from July 2013 through July 2014, painting a partial picture of variation but not a constant or guaranteed concentration for any particular property.
If You Consider Seasonal and Multi-Year Fluctuations in 1,4-Dioxane Levels
Artesian Water’s 2013-2015 monitoring covered just one year, so longer-term or seasonal variations in 1,4-dioxane concentrations are not fully characterized by federal records. Surface water sources can exhibit changes depending on environmental factors and upstream activities. If you suspect fluctuations in your household water, periodic testing or continuous monitoring can detect variations over time. The C-Series filter adapts to such changes by maintaining treatment efficacy between maintenance cycles based on total water processed rather than a fixed calendar duration.
If You Want to Decide Which Water Tests to Conduct First
Begin with a laboratory analysis of your specific household water to establish your actual 1,4-dioxane concentration. This test is vital because municipal sampling data cannot substitute for your home's water condition due to system-wide variability. Once you have measured levels, consider whether treatment is warranted based on your personal risk tolerance and water use. Additional tests might include checking for other common constituents that could influence treatment performance, but 1,4-dioxane analysis is the critical starting point.
If Your Household Is Larger, a Secondary Residence, or Used Seasonally
Water use patterns affect filter maintenance timing and treatment needs. Larger households consume more water, potentially shortening the filter media lifespan before replacement. For second homes or seasonal properties where use is intermittent, filter maintenance schedules may differ, requiring consideration of stagnation and potential microbial growth during inactivity. The C-Series 1,4-Dioxane Filter remains adaptable to these varied household scenarios through its usage-based maintenance approach.
Final Step: Order a certified laboratory test specifically for 1,4-dioxane on your household water. A measured concentration will clarify whether filtration is advisable. If you find 1,4-dioxane above your personal benchmark, the C-Series 1,4-Dioxane Filter provides a documented technical option for targeted reduction tailored to residential conditions.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2014-07-16. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR3 monitoring (2013-2015) for Artesian Water Company (DE0000552), DE: 36 results across 1 listed contaminants, 11 detections above the reporting level; no federal MCL; EPA cancer risk reference concentration 0.35 ug/L