Fleck 1,4-Dioxane Filter

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Groundwater Supply and Water Delivery in Central Iowa Counties

The Central Iowa Water Association serves nearly 38,000 residents across Waverly and parts of Black Hawk, Bremer, Butler, Grundy, Hardin, Jasper, Marshall, and Story counties. Water is drawn from groundwater sources and distributed through an extensive network of connections to consumer taps. Understanding the journey from aquifer to household is key for grasping potential constituents like 1,4-dioxane in the water delivered.

How Landfills, Degreasing Sites, and Consumer Products Contribute to Recorded 1,4-Dioxane Levels

The cyclic ether known as 1,4-dioxane often originates from various human activities. Components from landfill leachate, degreasing operations, and certain consumer products can migrate through soil and reach groundwater aquifers. The Central IA Water Association’s sampling from 2013 to 2015 detected this solvent stabilizer in some groundwater wells at concentrations up to 0.116 micrograms per liter (parts per billion), a figure below EPA health-based thresholds. These detections reflect federal survey findings that do not establish water safety status but indicate the presence of trace levels of this compound in the system.

Why Activated Carbon and Boiling Have Limited Effect on 1,4-Dioxane and Documented Treatment Options

Common household methods such as boiling water or passing it through activated carbon filters tend to be ineffective in addressing this particular ether. The chemical structure of 1,4-dioxane resists adsorption and thermal breakdown under typical home conditions. Instead, documented treatment technology designed to address this compound involves specialized filtration based on the Fleck System, engineered to target and substantially reduce cyclic ether content. This option ships ready to configure for consumer use and is tailored to meet residential water treatment demands.

Considering Plumbing Material and Age Separate from Source Water Quality

While plumbing materials and the age of household piping can affect water quality aspects like taste, staining, or corrosion potential, these factors do not influence the concentration of 1,4-dioxane detected by the water system’s groundwater source testing. 1,4-dioxane originates before water reaches plumbing and is unrelated to materials inside home water lines. Thus, treatment decisions focus on source water data rather than internal plumbing conditions in this context.

Scope of Sampling: Number of Wells and Sample Frequency Behind Recorded 1,4-Dioxane Data

The data cited arises from nine groundwater samples analyzed during a federal unregulated contaminant monitoring program over approximately nine months. Two of these samples showed detection above the reporting level of 0.07 micrograms per liter. Given the relatively small sample size versus the entire served area and number of wells, individual household water quality may vary. The sampling reflects system-wide groundwater presence rather than specific household conditions.

Adapting Treatment Considerations for Larger Households, Secondary Homes, or Seasonal Properties

Household water use patterns impact the scale and capacity considerations for any water treatment solution focused on cyclic ethers. Larger homes or those with higher daily use may require equipment configured to handle greater flow volumes. Secondary or seasonal properties might prioritize ease of set-up and maintenance during periods of occupancy. The Fleck System approach can be selected and set up to align with different household sizes and usage patterns to address 1,4-dioxane concerns appropriately.

Recommended Next Step: Testing to Determine Household Water 1,4-Dioxane Levels

Because federal occurrence data applies to the water system overall and not individual homes, the definitive way to confirm 1,4-dioxane concentration at your tap is through laboratory testing of your specific water sample. A test reporting micrograms per liter (parts per billion) of 1,4-dioxane will clarify the level present in your household supply. Should testing find measurable levels, options such as the Fleck 1,4-Dioxane Filter, designed for residential use, are documented technologies capable of addressing the cyclic ether in your water.

Where this information comes from

Source: EPA SDWIS public water system record. Sampled 2015-02-03. These figures describe the public water system's record, not the plumbing inside any individual building.

On record: EPA UCMR3 monitoring (2013-2015) for Central IA Water Association - Waverly (IA0990701), IA: 9 results across 1 listed contaminants, 2 detections above the reporting level; no federal MCL; EPA cancer risk reference concentration 0.35 ug/L