What You Should Write Down Before Seeking Treatment Advice
Before choosing a PFAS treatment approach for your household, start by noting which public water system supplies your home—in Bear and Hockessin, that is typically Artesian Water Company. Record the number of household members and average daily water use if known. Also, keep a copy of any recent private water testing results, specifying which PFAS compounds were measured. Finally, note any taste, odor, or staining issues you observe at the tap, as these do not directly indicate PFAS but may influence your treatment choice.
How PFAS Enter Groundwater and Distribution Systems in New Castle County
In this region, PFAS compounds primarily enter drinking water sources from industrial discharges, firefighting foams, and urban runoff. Artesian Water Company draws supply from surface water, where PFAS from upstream sources can accumulate. These persistent chemicals do not break down easily and can spread through water distribution networks, resulting in measurable, though varying, PFAS levels at consumers’ taps.
How Public-System Records Differ from Private-Well Testing in What They Establish
Government monitoring data for Artesian Water Company reflect average PFAS levels in the public water system serving Bear and Hockessin. These results are from multiple sampling events at the system level, not from individual homes. A private well owner’s water quality may differ, sometimes significantly, due to localized contamination or well construction. Thus, while public data provide important regional context, only a certified laboratory test of your own water can confirm your household’s specific PFAS concentrations.
The Household Symptoms That Do and Do Not Point to PFAS
PFAS themselves are tasteless, odorless, and colorless, so symptoms like unusual taste or staining are unlikely to be caused by them. If you notice metallic taste, surface films, or staining, these are symptoms of other water issues rather than PFAS contamination. Conversely, absence of sensory symptoms does not rule out PFAS presence, which requires laboratory analysis to detect.
A Worked Example: Reading the Record's Median and Range as a Homeowner Would
Looking at Artesian Water Company’s recent federal monitoring, 8 out of 45 PFOA samples detected measurable amounts above the reporting level, with the highest at 0.0231 µg/L and the median of detections at 0.0063 µg/L. PFOS detections were fewer and lower, with only 2 results above the reporting level. These values are well below the federal maximum contaminant level that took effect in 2024. This means that while the chemicals are present in some samples, the water system is managing levels to meet health-based targets. Your household water’s PFAS levels may be similar but can only be known through direct testing.
How to Compare This Area's Record with a Neighboring County's Without Overreading It
When comparing New Castle County's PFAS data with nearby counties, remember each system may have different water sources and treatment methods. Detection rates and compound concentrations can vary due to environmental factors and sample timing. Differences in the number of samples and testing thresholds can also affect comparisons. Use such data only to understand general regional trends, not to infer your home's water quality directly.
Final Note: Do not conclude from this area’s public water data that your household water has the same PFAS concentrations or that it poses a risk. Confirm your water quality with targeted testing. If treatment is desired, the Fleck PFAS Forever Chemicals Filter ships ready to configure for residential use, providing a documented approach to reducing PFAS in your household water.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2025-02-19. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR5 monitoring (2023-2025) for ARTESIAN WATER COMPANY (DE0000552), DE: 450 results across 10 listed contaminants, 76 detections above the reporting level; 10 results above a 2024 federal MCL
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