Understanding What Public Water System Records Show About PFAS
When you receive a laboratory report on PFAS in your water, it typically lists concentrations of various compounds such as PFOA, PFOS, and others measured in micrograms per liter or parts per trillion. For households in Eagle County served by Eagle River Water & Sanitation District (WSD), public records from EPA’s Unregulated Contaminant Monitoring Rule (UCMR5) give a system-wide picture rather than a measurement specific to your residence. This record covers surface water treated and distributed to over 10,000 connections but does not reflect plumbing or household-level variations.
Government sampling in 2023–2025 found no detections of PFAS compounds above the reporting levels in Eagle River WSD’s source water and distribution system. Although no result exceeded federal maximum contaminant levels (MCLs) effective in 2024, these findings do not represent your home's specific water quality. An individual certified laboratory test is necessary to establish your residence’s PFAS concentrations for informed treatment decisions.
Seasonal and Multi-Year Monitoring Results From 2025 Sampling
The EPA’s UCMR5 monitoring data for Eagle River WSD, covering January to October 2025, shows consistent non-detection for targeted PFAS substances, including PFOA, PFOS, PFHxS, and others. This multi-year data helps identify seasonal fluctuations and long-term trends within the overall system but does not guarantee the absence of these chemicals at every tap. Variation in source water quality and treatment efficacy could influence individual household results over time.
Interpreting Certified Laboratory PFAS Test Reports for Your Home
A certified laboratory test report for PFAS in residential water lists measured concentrations, the detection limits, and any compounds identified. Values below detection limits indicate that the compound was not measurable with testing technology used, but this does not assure zero presence. Knowing which specific PFAS compounds are found and at what concentrations helps determine the appropriate class of treatment needed. Such reports also clarify uncertainties that public system data cannot resolve at the household level.
Additional Considerations for Commercial or Industrial Operators
While this guidance focuses on residential water quality, commercial or industrial water users in Eagle County face stricter monitoring and regulatory scrutiny due to larger volume use and potential for different exposure scenarios. These entities may require more comprehensive data and treatment strategies beyond what households consider when addressing PFAS. Understanding these differences prevents conflating household decisions with industrial standards.
Source Type, Sampling Depth, and Their Influence on Expected PFAS Levels
Eagle River WSD draws from surface water sources, which tend to have different PFAS profiles than groundwater wells. Sampling depth and well construction influence PFAS occurrence, especially where groundwater is concerned. Households with private wells should therefore pursue independent, certified testing that accounts for well depth and local geology. This contrasts with the public system’s surface water data, underscoring the need for targeted testing to decide on treatment equipment.
Households facing PFAS concerns in Eagle County should use EPA’s public water system record as a baseline reference but rely on certified laboratory testing to understand their home’s water specifically. The choice of treatment class depends on actual PFAS levels determined through testing rather than assumptions from regional data. The C-Series PFAS Forever Chemicals Filter ships ready to configure for home use and can be selected based on your certified test results to reduce PFAS effectively.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2025-10-08. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR5 monitoring (2023-2025) for EAGLE RIVER WSD (CO0119802), CO: 280 results across 10 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level