1,4-Dioxane in Barton County: Understanding Great Bend’s Water System Measurements

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If You Are a Commercial or Industrial Operator, What Additional Questions Should You Ask?

Households generally focus on residential water quality concerns, but commercial and industrial users have added factors, such as discharge regulations and water volume needs. Businesses might need detailed monitoring data over extended periods or additional chemical analyses related to production processes. Since this page targets households, these complex operational concerns are outside this scope.

If You Wonder How Seasonal or Multi-Year Variation Shows in the Sampling Record

The 1,4-dioxane data for Great Bend’s public water system come from a federal monitoring rule (UCMR3) conducted from January to July 2015. This snapshot includes 20 samples showing just one detection above the reporting level of 0.07 micrograms per liter, with that detection measured at 0.14 micrograms per liter. No follow-up data from other seasons or years are included here, so while this represents government-verified measurements, it does not capture seasonal or year-to-year fluctuations in 1,4-dioxane levels.

If You Want to Understand What 'Detected', 'Median', and 'Range' Mean in This Sampling Record

‘Detected’ means an instrument measured some amount of 1,4-dioxane above the minimum level reliably noted by the lab, not that the water is unsafe or that a violation occurred. The median of detections (0.14 micrograms per liter) represents the middle value of only the detected samples, not all samples. Since only one detection was above the limit, the range essentially covers very low or undetectable concentrations across most samples. These figures reflect a single public water system's overall groundwater supply, not any individual household’s water.

If You Are Preparing to Seek Advice on Treatment or Water Quality Solutions, What Should You Write Down?

  • Confirm your water source type—Great Bend’s system uses groundwater.
  • Record any available recent water test results from your own home well or tap to complement area data.
  • Note the date and context of any water quality concerns you experience, such as unusual tastes or odors.
  • Gather information on household characteristics like number of residents and water usage patterns, which may affect treatment needs.

If You Have a Large Household, a Second Home, or a Seasonal Property, What Changes About 1,4-Dioxane Considerations?

Larger or multi-home situations can influence water treatment choices due to higher volume demands and differences in water storage and usage timing. Seasonal properties might see changes in water chemistry from source variability or system stagnation during periods of non-use. Since 1,4-dioxane was detected only sporadically and at low levels in the Great Bend system record, ongoing water testing at each location is especially important to gauge current conditions and adjust treatment accordingly.

If You Wonder Why Aesthetic Secondary Standards Differ from Health-Based Limits for 1,4-Dioxane

While some substances in water have secondary standards related to taste, odor, or staining, 1,4-dioxane is evaluated primarily through health-based risk assessments. The EPA has not set a maximum contaminant level for this chemical but provides a cancer risk reference concentration of 0.35 micrograms per liter for consideration. The sampling results for Great Bend’s system fall below this reference concentration, indicating that aesthetic concerns related to 1,4-dioxane are not applicable here, and no health-based violations are on record.

For households wanting to reduce 1,4-dioxane in their water, options include targeted filtration systems designed to address this compound specifically. One such solution is the Fleck 1,4-Dioxane Filter, which ships ready to configure and uses proven technology to reduce levels measured in groundwater supplies like Great Bend’s.

What You Should Not Conclude From Great Bend’s Area Data

The government monitoring data represent average conditions for the City of Great Bend’s public water system, serving over 14,000 residents from groundwater. These figures do not define the level of 1,4-dioxane in any individual household’s tap water. A single detection at low concentration is not a violation and does not indicate unsafe water. To know your home’s 1,4-dioxane concentration, testing of your specific tap or well water is necessary. Using the documented Fleck 1,4-Dioxane Filter can help households that prefer added treatment despite low or untested local levels.

Where this information comes from

Source: EPA SDWIS public water system record. Sampled 2015-07-21. 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 Great Bend (KS2000911), KS: 20 results across 1 listed contaminants, 1 detections above the reporting level; no federal MCL; EPA cancer risk reference concentration 0.35 ug/L