PERKASIE, Pa.–(BUSINESS WIRE)–Sentinel Water Solutions (Sentinel) and Perkasie Regional Authority are celebrating one year of successful operation of the Authority’s temporary granular activated carbon (GAC) treatment system, which has now treated more than 200 million gallons of drinking water while the Authority advances construction of its permanent PFAS treatment facilities. The temporary system was deployed in 2025 as an interim solution that allowed the Authority to begin PFAS treatment