Fleck PFAS Forever Chemicals Filter

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The Truckee Meadows Water Authority (TMWA) in Washoe County, Nevada, which serves approximately 442,000 people including residents of Reno and Sparks, has undergone federal monitoring for PFAS (per- and polyfluoroalkyl substances) as part of the EPA's Unregulated Contaminant Monitoring Rule (UCMR5) from 2023 to 2025. This monitoring provides a system-wide overview of PFAS detection, not specific evaluations of individual homes' water.

Myth: Plumbing Materials or Home Age Are the Primary PFAS Sources

While household plumbing materials and the age of a home's pipes can influence water quality for some contaminants, PFAS presence in Washoe County’s water primarily originates from surface water sources managed by TMWA. The water system draws from surface supplies rather than groundwater, and the monitoring data reflects what's in the source water and distribution system broadly, not what might leach from plumbing components. Therefore, plumbing materials or home age do not play a central role in the PFAS levels detected in your tap water.

Myth: PFAS Enter the Water System from Local Plumbing or Household Activities

In Washoe County, PFAS compounds entering the water system have origins in environmental sources rather than local plumbing or household use. They stem from widespread environmental presence due to industrial usage and environmental persistence of PFAS chemicals. The Truckee Meadows Water Authority’s water supply is surface water, and any PFAS found is reflective of regional environmental levels measured in this source water rather than contamination from domestic contributions.

Myth: The Median and Range of PFAS Detections Directly Reflect Your Home’s Water

The EPA’s UCMR5 data for TMWA shows multiple PFAS detections over 142 sampling events with varied results. For example, PFOA was detected in 3 samples above 0.004 µg/L, with the highest reading being 0.0055 µg/L and the median of detections at 0.0049 µg/L. PFOS was detected 6 times with some readings up to 0.02 µg/L. These numbers reflect the system’s overall water quality and help identify presence and concentration trends across many locations and dates. However, individual homes may have different levels, making personal water testing essential to understand your own household water conditions precisely.

Myth: Household Symptoms Like Taste, Smell, or Health Issues Confirm PFAS Contamination

PFAS substances are colorless and generally do not alter taste or smell in a way obvious to consumers. Symptoms commonly associated with water issues such as discoloration, odor, or immediate health effects are not reliable indicators of PFAS presence. To determine if PFAS are in your household water and at what concentrations, specific laboratory testing of your own water is required rather than relying on sensory or physical symptoms.

Myth: The Number of Samples Is Too Small to Trust the Data or It Equates to Constant Levels

The dataset from TMWA includes 142 sample results collected through multiple events. This comprehensive sample size supports a robust understanding of PFAS occurrence in the public system but does not mean that every sample site or time has the same PFAS concentration. Variations occur due to treatment, source water changes, and environmental factors. While sufficient for system-wide assessment, these data cannot predict PFAS levels in a single household’s water without direct testing.

Myth: PFAS Levels Are Static Over Time Without Seasonal or Multi-Year Variation

The monitoring period for these PFAS measurements spans from January 2023 through September 2025, capturing temporal changes including seasonal and yearly fluctuations. The record shows variations in detections, reflecting the dynamic nature of surface water quality and PFAS presence influenced by environmental conditions. Understanding that PFAS levels can fluctuate over time reinforces the need for ongoing monitoring and personal water testing at intervals that make sense for your household's concerns.

In summary, the government’s public water system records for Washoe County, served by TMWA, highlight the presence of various PFAS compounds in surface water sources but show no health-based violations. Homeowners should not assume their household water matches these values exactly, as only direct water testing provides that certainty. For those seeking to address PFAS in their residential water, the Fleck PFAS Forever Chemicals Filter ships ready to configure and offers documented effectiveness in reducing PFAS compounds from household water supplies.

Where this information comes from

Source: EPA SDWIS public water system record. Sampled 2025-09-02. These figures describe the public water system's record, not the plumbing inside any individual building.

On record: EPA UCMR5 monitoring (2023-2025) for TRUCKEE MEADOWS WATER AUTHORITY (NV0000190), NV: 1420 results across 10 listed contaminants, 51 detections above the reporting level; 16 results above a 2024 federal MCL