Fleck PFAS Forever Chemicals Filter

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What Levels of PFAS Are Found in Hartford County's Public Water?

If you’re concerned about PFAS—per- and polyfluoroalkyl substances, also called “forever chemicals”—in your household water, it’s important to know what the regional water system data shows. The Manchester Water Department serves over 51,000 residents in Glastonbury, Manchester, South Windsor, Vernon, and other Hartford County communities, using surface water sources. Federal monitoring from October 2023 to July 2024 detected various PFAS compounds in samples, but no health-based violations are recorded. Notably, some measurements of PFOA and PFOS, two key forever chemicals, were above the federal reporting level but remain below or near the new federal Maximum Contaminant Levels (MCLs) established in 2024.

1. Why Granular Carbon Beds and Ion-Exchange Resins Are Shown Differently for PFAS Treatment

Two main treatment technologies address PFAS in residential water: granular activated carbon (GAC) filtration and ion-exchange resins. Granular carbon adsorbs many PFAS compounds effectively, particularly longer-chain molecules like PFOA and PFOS. Ion-exchange resins can offer targeted removal, especially for shorter-chain PFAS that carbon may not capture well. These differences mean treatment equipment may vary significantly in performance depending on the specific PFAS present in your water and their concentrations.

2. Regional PFAS Sources: Firefighting Foam, Textile Finishing, and Landfills

PFAS enter water systems from multiple sources. Firefighting foam use is a well-documented contributor, especially near training sites or airports, while textile finishing and landfill leachate also introduce these chemicals. In Hartford County’s Manchester Water Department system, the surface water supply likely reflects upstream influences of these industrial and waste sources regionally. Understanding this helps clarify why certain PFAS appear more frequently in monitoring and guides what treatment approaches are most relevant.

3. The Role of Sampling Size and Well Numbers in Data Interpretation

The current data is based on 24 samples over several months, representing a snapshot of the system's water quality. Although this is a relatively small dataset, it covers multiple sampling points within the public system. It’s important to realize that individual home water can differ due to plumbing or localized factors. To know your own household’s water quality, specific testing at your tap is necessary.

4. Aesthetic Secondary Standards Versus Health-Based Limits for PFAS

Some PFAS measurements in the area exceed reporting levels but remain below or near health-based federal MCLs effective in 2024. Regulatory thresholds for taste, odor, and staining—known as secondary standards—do not apply to PFAS since these chemicals have no direct taste or odor. Thus, aesthetic standards differ from health considerations and do not imply the water is unsafe.

5. How Sample and Well Depth Affect What You Should Expect for PFAS

The Manchester Water Department system uses surface water sources, which can have different PFAS profiles than groundwater wells. PFAS concentrations in surface water can vary with watershed inputs and runoff patterns. Deeper wells may show different PFAS levels due to filtration through soil and rock. Knowing whether your water source is surface or groundwater helps set expectations for which PFAS are more likely present and their concentrations.

6. Observing Seasonal and Multi-Year Variation in the PFAS Record

The federal monitoring data from 2023–2024 shows some variation in PFAS detection and concentration over time, reflecting factors like precipitation, water usage, and source water changes. These fluctuations mean that PFAS levels are not static; ongoing monitoring helps track trends but individual household conditions will differ.

Conclusion: What Hartford County Area Data Does Not Reveal About Your Home Water

While regional data confirms that trace amounts of several PFAS compounds including PFOA and PFOS are detectable in the public water supply, this by itself does not establish your household water quality. Only a test of your own water can reveal its specific PFAS content. Choosing between granular activated carbon or ion-exchange based equipment depends on your unique water conditions and treatment goals. The Fleck PFAS Forever Chemicals Filter system, which ships ready to configure, uses proven technology tailored to address a broad spectrum of per- and polyfluoroalkyl substances, helping households in the Hartford area reduce these ‘forever chemicals’ effectively.

Where this information comes from

Source: EPA SDWIS public water system record. Sampled 2024-07-23. These figures describe the public water system's record, not the plumbing inside any individual building.

On record: EPA UCMR5 monitoring (2023-2025) for MANCHESTER WATER DEPARTMENT (CT0770021), CT: 240 results across 10 listed contaminants, 44 detections above the reporting level; 20 results above a 2024 federal MCL