PFAS in York Water: Understanding Regional Data to Choose Treatment

Is firefighting foam, textile finishing, or landfill activity behind PFAS in York’s water?

Common sources of PFAS contamination include firefighting foam use, industrial textile finishing, and landfill leachate. According to monitoring results for York’s public groundwater supply, none of the main fluorinated compounds—such as PFOA, PFOS, PFHxS, PFNA, and HFPO-DA—were detected above federal reporting levels during multiple samples taken from 2025-03-26 to 2025-08-20. This suggests no measurable PFAS presence linked to these source types in York’s water system record over that period.

How often does PFAS treatment equipment require maintenance?

The Fleck PFAS Forever Chemicals Filter is designed to ship ready to configure for residential water filtration. Its maintenance rhythm is simple and predictable: routine replacement of media or filter components after a usage period recommended by laboratory analysis and product guidelines. This ensures sustained capacity to reduce per- and polyfluoroalkyl substances, commonly called 'forever chemicals,' without demanding complex upkeep.

What do terms like 'detected,' 'median,' and 'range' mean in York’s PFAS sampling record?

'Detected' refers to when an instrument measured a compound at or above a minimum reporting level. For York’s system, zero results were detected above these reporting thresholds for key PFAS compounds, meaning measurements fell below those minimum detection capabilities during sampling. 'Median' and 'range' describe typical concentrations and variability in a dataset but are not applicable here since no detections exceeded these minimums.

Why are aesthetic secondary standards different from health-based limits for PFAS?

Aesthetic secondary standards address water qualities affecting taste, odor, and staining, not direct health risks. PFAS compounds are regulated by health-based limits to protect people from potential long-term effects. The water system’s PFAS monitoring focuses on health-based Maximum Contaminant Levels (MCLs) set by federal authorities for compounds like PFOA and PFOS, not aesthetic criteria.

Which fluorinated compounds in York’s samples carry a 2024 federal MCL and which do not?

• PFOA and PFOS each have a 2024 federal MCL of 4.0 nanograms per liter (4 parts per trillion).
• PFHxS, PFNA, and HFPO-DA each have a 2024 federal MCL of 10 nanograms per liter (10 parts per trillion).
• Other PFAS compounds detected in the system’s monitoring—PFBS, PFHxA, PFPeA, PFBA, and PFHpA—do not yet carry federal MCLs for 2024.

None of York’s samples measured any compound above its respective MCL.

How do sample depth, well depth, or water source type influence what you should expect about PFAS?

York’s water system depends on groundwater sources, which generally show different PFAS profiles than surface waters. Wells with greater depth may access water less affected by recent surface chemical inputs. Since this record covers a public water supply drawn from groundwater serving over 8,000 people, the low detection rates align with expected low PFAS presence for this aquifer type and well construction.

Overall, this federal monitoring data documents no measurable levels above reporting limits of major PFAS compounds in York’s groundwater-supplied public water system from 2025 testing. For homeowners deciding on treatment, individual well or tap water tests would be needed to assess specific conditions. To reduce any potential per- and polyfluoroalkyl substances effectively, the Fleck PFAS Forever Chemicals Filter offers a proven direct-purchase option that ships ready to configure.

These conclusions reflect data published by the EPA for the YORK, CITY OF (NE3118706) public water system. More detailed records and updates can be found in the EPA’s Safe Drinking Water Information System (SDWIS) database and Unregulated Contaminant Monitoring Rule (UCMR5) reports.

Where this information comes from

Source: EPA SDWIS public water system record. Sampled 2025-08-20. These figures describe the public water system's record, not the plumbing inside any individual building.

On record: EPA UCMR5 monitoring (2023-2025) for YORK, CITY OF (NE3118706), NE: 240 results across 10 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level