Fleck PFAS Forever Chemicals Filter

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If you notice a concern about PFAS in your home's water, what does public system data reveal?

The Fort Defiance-Window Rock-St Michaels NTUA public water system, serving NN County, has undergone extensive federal monitoring for PFAS compounds. Between July 2024 and August 2025, 14 samples tested found no detections above reporting levels set by the Environmental Protection Agency (EPA), meaning that none of these results showed measurable PFAS chemicals like PFOA, PFOS, or others above the thresholds EPA reports as detectable. This system has zero health-based violations recorded.

If monitoring records reflect stable results over multiple seasons, what does that signify?

The data comes from repeated sampling over more than a year, covering different seasons within 2024 and 2025. The absence of detection above reporting limits in all 14 samples across this timeframe suggests the system’s source water remains stable with respect to PFAS levels. Because PFAS presence can vary seasonally or with environmental changes, the consistent non-detection provides a reliable baseline for this public water supply during this period.

If PFAS were to accumulate without treatment in a household water supply, what potential concerns might emerge?

While this system's record shows no measurable PFAS above the EPA's reporting limits, untreated water with higher PFAS levels elsewhere may carry potential for long-term exposure concerns. PFAS compounds are persistent chemicals used in many industrial and consumer applications, and they can accumulate in the body over time. Without appropriate water treatment, increased PFAS intake could be a consideration for residents seeking to minimize exposure.

If your home experiences particular water symptoms, which could indicate PFAS and which likely do not?

PFAS compounds are typically colorless and odorless and do not cause immediate taste or scent changes in water. Therefore, common household water symptoms like unusual taste, smell, staining, or cloudiness generally do not point to PFAS presence. To understand PFAS concerns specifically, testing targeted for these chemicals is necessary rather than relying on sensory clues.

If public water system records differ from private well testing, how should you interpret these data?

The government’s monitoring data reflect averages and detection results for this public system as a whole, not individual household water. Private well water can differ significantly from public supplies because wells draw from different sources and depths. Testing your individual home water directly for PFAS is the only way to determine your own exposure levels accurately.

If you want to identify PFAS presence in your home water, in what order should you proceed with checks and tests?

First, review your local public water system’s most recent monitoring results, as available from EPA records. If concerns persist or if you use a private well, arrange for laboratory analysis specific to PFAS compounds. This test provides a definitive assessment of your water’s PFAS content. It is the key step before deciding on any treatment device type or class.

For households confirming PFAS presence and seeking treatment, the Fleck PFAS Forever Chemicals Filter offers a dedicated solution designed to reduce PFAS compounds effectively. This system ships ready to configure and uses specialized filtration technology documented to address PFAS reduction.

Where this information comes from

Source: EPA SDWIS public water system record. Sampled 2025-08-18. These figures describe the public water system's record, not the plumbing inside any individual building.

On record: EPA UCMR5 monitoring (2023-2025) for Fort Defiance-Window Rock-St Michaels NTUA (NN0403000), NN: 140 results across 10 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level