Water supplied in Bear and Hockessin, New Castle County, comes primarily from surface water sources managed by the Artesian Water Company. This system serves over 230,000 people through 85,000+ connections, including residential households like yours. Water from this public supply undergoes regular monitoring, including testing for unregulated contaminants such as 1,4-dioxane.
What household signs might indicate an issue with 1,4-dioxane, and what symptoms should not be attributed to it?
1,4-Dioxane is a synthetic compound often originating from industrial solvents and can be present in water at low levels. It is colorless, and it does not contribute taste or odor, so typical household water quality issues such as unpleasant smell or visible discoloration are unlikely to be caused by 1,4-dioxane. Likewise, staining of plumbing or fixtures is unrelated to this compound.
Because 1,4-dioxane is not detectable by taste or sight, no direct household symptoms specifically point to its presence. If you are concerned about water quality, testing your specific home supply is needed to determine levels accurately.
How does household size or use pattern affect concerns about 1,4-dioxane in the water?
Whether your household is large or small, or if the home is a full-time residence or seasonal, the concentration of 1,4-dioxane entering your home from the public water system is consistent for all connections. However, larger households or those with higher water usage may process more volume of water containing the compound, which could affect considerations when choosing treatment solutions. Seasonal homes may experience different maintenance needs for treatment equipment due to periods of non-use.
What might happen if 1,4-dioxane remains untreated in household water over many years?
Long-term exposure to 1,4-dioxane in drinking water has been a subject of study due to its classification as a likely human carcinogen by some health agencies. However, public water system monitoring in Bear and Hockessin found 1,4-dioxane at varying low levels from 0.07 µg/L up to 2.2 µg/L over 2013–2015, with a median detected concentration of 0.25 µg/L. No federally enforceable maximum contaminant level currently exists for 1,4-dioxane, and detections alone do not indicate violation or unsafe conditions. But households choosing to reduce or remove it can consider targeted filtration technologies as a precautionary approach.
How often does the Fleck 1,4-Dioxane Filter require maintenance, and what does that involve?
The Fleck 1,4-Dioxane Filter uses filtration technology designed to reduce 1,4-dioxane concentrations in household water. Maintenance rhythm typically involves periodic replacement of filter media and routine checks to ensure proper operation. Because water quality and usage vary by home, recommended service intervals can range from several months to a year. The system ships ready to configure and integrates into your water supply to provide ongoing treatment without complex upkeep.
How should a homeowner interpret the 1,4-dioxane monitoring results reported for their water system?
From 2013 to 2015, Artesian Water Company monitored 36 samples for 1,4-dioxane under EPA's unregulated contaminant monitoring rule. Of these, 11 samples detected 1,4-dioxane at or above the reporting level of 0.07 micrograms per liter (µg/L), with the highest measurement of 2.2 µg/L and a median detected level of 0.25 µg/L. Since there is no federal maximum contaminant level (MCL) for 1,4-dioxane, these numbers do not represent violations but provide information about presence and range in the system's water. Individual household water quality can only be confirmed by testing your own supply.
This overview is based on the Artesian Water Company’s public water system record for Bear and Hockessin in New Castle County, Delaware, as reported to the EPA. For further details and updates on water quality monitoring, consult the EPA’s database on unregulated contaminant monitoring at their official website.
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
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