This week, your key decision involves evaluating whether your current water treatment equipment can handle the presence of PFAS compounds detected by federal monitoring in Prattville, Autauga County.
Why are PFOA and PFOS measured in nanograms per litre, and what do four decimal places indicate?
The Environmental Protection Agency measures key per- and polyfluoroalkyl substances (PFAS), like PFOA and PFOS, in nanograms per litre (ng/L), which is equivalent to parts per trillion (ppt). Because these substances occur at extremely low concentrations, precise measurements to four decimal places—such as 0.0192 µg/L or 19.2 ng/L—are necessary to detect presence reliably. These minute quantities are important for assessing exposure but do not alone indicate safety or violation levels without context.
Firefighting foam, textile finishing, and landfill sources: which fits this region's record?
Prattville’s drinking water, supplied by surface water sources, shows detectable levels of PFAS compounds including PFOA, PFOS, PFBS, PFHxA, PFPeA, and others. These substances often originate from industrial activities such as firefighting foam use and textile treatment, as well as landfill leachate. Given Autauga County’s municipal water profile, these regional sources align with the EPA’s detection patterns. No health-based violations have been recorded for the Prattville Water Works Board system despite these findings, indicating compliance with federal standards.
How to judge treatment capacity against the household's or facility's daily demand
Many homes in Prattville find their existing water treatment equipment struggling to keep up with PFAS reduction demands. To address this, households should first quantify their daily water use to understand how much treated water is needed. The capacity of any additional treatment system must match or exceed this volume to maintain consistent water quality throughout the day without depletion or reduced performance.
How the constituent enters groundwater or the distribution system in this region
PFAS compounds enter surface water sources mainly through environmental runoff and industrial discharge pathways typical in urban and suburban areas. In Prattville, these fluorinated chemicals from upstream sources enter the municipal supply and are distributed through the public system to households. They do not originate from household plumbing but from wider environmental and regional factors.
What 'detected', 'median' and 'range' mean in the sampling record on this page
- Detected: Indicates a measurement above the reporting level was recorded; it does not mean the level exceeds safety limits.
- Median: The middle value of detected results when arranged from low to high, offering a central tendency of concentrations.
- Range: The span from the lowest to highest detected value recorded, showing variability in the measurements.
For example, in the Prattville Water Works Board system, PFOA was detected in 6 out of 28 samples with a median of 0.0053 µg/L (5.3 ng/L) and a highest detection of 0.0192 µg/L (19.2 ng/L). These levels are well below the new federal maximum contaminant level (MCL) of 4.0 ng/L for PFOA and PFOS, but households with heightened treatment needs may still prefer additional filtration.
What distinguishes this problem from the two problems most often confused with it?
PFAS—also known as 'forever chemicals' due to their persistence—are often confused with other common water concerns like hardness minerals or disinfection byproducts. Unlike hardness, which causes scale and soap inefficiency, PFAS are synthetic chemicals that do not affect water taste or appearance directly but have different health and environmental considerations. Unlike disinfectants, PFAS do not degrade over time and require specific treatment approaches targeting their molecular structure.
For households in Prattville seeking to keep pace with the ongoing presence of these fluorinated compounds, the C-Series PFAS Forever Chemicals Filter ships ready to configure and delivers treatment capacity matched to your daily water demand. This system is designed specifically to reduce PFAS levels consistent with the region’s EPA-monitored data and helps supplement or upgrade existing equipment for comprehensive water quality management.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2026-03-19. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR5 monitoring (2023-2025) for PRATTVILLE (WATER WORKS BOARD OF) (AL0000017), AL: 280 results across 10 listed contaminants, 42 detections above the reporting level; 12 results above a 2024 federal MCL

