19257_Authority_June_2026

54 The Authority │ June • Shutdown of high-risk wells • System-wide flushing • Redistribution of supply to lower-risk wells • Comprehensive sampling of groundwater and distribution systems • Initiation of long-term corrective planning While these steps helped stabilize water quality in the short term, they underscored a larger reality: source management alone would not be sufficient. “At that point, it became clear that a long-term treatment solution was necessary,” notes Fleszar. “The challenge was developing that solution while maintaining uninterrupted service to the system.” Following extensive pilot testing and evaluation, granular activated carbon (GAC) adsorption was selected as the most effective and practical treatment approach. Unlike legacy systems designed for VOCs, GAC systems can remove PFAS through adsorption processes. The upgraded system incorporated dual treatment trains operating in a lead-lag configuration. This design allows operators to monitor contaminant breakthrough and rotate vessels as needed, ensuring consistent performance while optimizing media life. “The key is designing a system that works for the authority long-term,” says Fleszar. “It’s not just about removing contaminants—it’s about operations, maintenance, and cost sustainability.” A phased construction approach was used to maintain continuous water service throughout the upgrade. Temporary treatment systems were installed and operated while permanent infrastructure was constructed, allowing the authority to remain in compliance without interruption. The solution required a multi-phase implementation strategy , including: • Temporary GAC systems housed in fabric structures • Sequential removal of legacy air stripping equipment • Real-time system reconfiguration and permitting coordination • Temporary operational adjustments (including short-term suspension of softening) This approach demonstrates the importance of constructability planning and operational flexibility in live system upgrades. Included in the critical components of the project was securing funding. PFAS treatment upgrades can represent a significant financial burden for municipal authorities, particularly smaller systems. A substantial role was needed in securing PENNVEST funding, which enabled the project to move forward without placing undue strain on ratepayers. The ability to pair technical expertise with funding strategy proved essential to the project’s success. Coordinated engineering and funding application expertise lead to a $6.58 million grant received from state environmental programs. This underscores a broader industry lesson: technical solutions must be paired with financial strategy. As PFAS regulations continue to evolve, municipal authorities must take a proactive and strategic approach. Early planning, investment in appropriate treatment technologies, and collaboration with experienced partners will be essential to maintaining compliance and protecting public health. Confronting article continued from page 28. Photo 1: Construction activities had to be carefully staged with limited space in the existing water plant.