District facilities include 45 miles of interceptor sewers ranging from 12 inches to 66 inches in diameter, the Sauquoit Creek and the Barnes Avenue Pumping Stations and the Oneida County Water Pollution Control Plant (WPCP).  The WPCP is situated on a 24-acre site on Albert E. Schuler Memorial Highway, Leland Avenue Extension, in Utica.

The WPCP is the 4th largest facility of its kind in upstate New York and the 17th largest in the state. The WPCP has an operating capacity of 48 million gallons per day (MGD) utilizing nitrification as an advanced secondary treatment process and 53 MGD using standard secondary treatment.

The Sauquoit Creek Pumping Station and the Barnes Avenue Pumping Station have the capacity to pump 15 mgd and 1.5 mgd, respectively, to the WPCP.