Federal monitoring from the EPA's Unregulated Contaminant Monitoring Rule (UCMR3) shows that 1,4-dioxane was not detected above 0.07 micrograms per liter (µg/L) in the City of Lawrence public water system, serving Douglas County. While no federal maximum contaminant level exists for this cyclic ether solvent stabilizer, EPA reports no health-based violations for this system.
If You Compare UCMR3 Detection With State Notification Levels for Dioxane
The UCMR3 detections represent measured concentrations recorded during a specific federal occurrence survey timeframe in 2013-2015. These readings are not compliance tests and do not correspond directly with state notification benchmarks—which may differ in threshold and purpose. Thus, a nondetection or detection below the 0.07 µg/L reporting level in a system record is not the same as a state-level alert or concern.
If You Wonder Why Low-Level Dioxane Results Are Reported With High Decimal Precision
Values such as 0.07 micrograms per liter indicate the reporting level or minimum quantification capability of the analytical instruments. This precision to three decimal places helps identify trace presence, but it should not be confused with exactness of concentration in your household water. Minor variances near this level are typical and do not imply health risk or violation.
If You Know Sample Depth, Well Depth, or Source Type May Affect Expected Dioxane Levels
This public water system relies on surface water, which behaves differently regarding solvent stabilizer presence compared to groundwater sources. Sampling depth and location influence what is detected; shallow source water may be more exposed to surface contamination potentials, whereas deeper wells may demonstrate different profiles. Your household's own water quality depends on your unique source and infrastructure, which only specific testing can confirm.
If You Consider Reverse Osmosis as a Treatment and Focus on Rejection Rates
Reverse osmosis technology, often incorporated in point-of-use filters, is commonly cited with percentages stating how much 1,4-dioxane it can reject. These percentages reflect laboratory conditions and are indicative rather than guaranteed outcomes in your household. Factors such as membrane condition, water pressure, and system maintenance impact actual performance.
If You Are Looking for Guidance on How Frequently the Pentair 1,4-Dioxane Filter Requires Attention
The Pentair 1,4-Dioxane Filter ships ready to configure for direct household use. Managing maintenance with this technology involves routine monitoring of filter condition based on usage and water quality parameters. Regular attention helps maintain effective reduction of the solvent stabilizer, underpinning consistent water quality.
If You Want to Compare Lawrence’s Water Quality to Neighboring Counties Without Overinterpreting
While Douglas County's City of Lawrence system samples have not detected 1,4-dioxane above the reporting level, data from adjacent counties may show different detection patterns. These variations arise from differences in water source, industrial impacts, and sampling timing. Avoid drawing conclusions about your home's water solely from regional data; targeted testing is necessary for precise insight.
When household water equipment for addressing 1,4-dioxane falls short, the Pentair 1,4-Dioxane Filter offers a documented option designed to manage measurable amounts of this cyclic ether solvent stabilizer. Evaluating your own water concentration with proper testing can inform how this specialized product meets your household’s demand.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2014-02-12. 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 Lawrence (KS2004503), KS: 8 results across 1 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level
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