IMS Annual Conference 2019

Park City Municipal Corporation (PCMC) has been issued Utah Pollutant Discharge Elimination System (UPDES) permits for the discharge of waters from Judge and Spiro Tunnels. PCMC entered into a Stipulated Compliance Order (SCO), concurrent with the issuance of the permits, which established schedules and certain terms and conditions for bringing the tunnel water metals discharges into compliance with the UPDES permits. The mine tunnel waters are currently used by PCMC (and other entities) for municipal drinking water, irrigation, and snowmaking.

In 2016, PCMC conducted pilot-scale testing to evaluate treatment alternatives for these water sources which formed the basis of design for the new 7.2 million gallons per day (mgd) 3Kings Water Treatment Plant in Park City. Based on the results, a treatment design approach was developed to address challenging water quality, optimize the facility layout to fit within a highly space constrained site, and balance the demand for visual appeal to the public.

This presentation will discuss the treatment technologies selected, process design approach, and how challenges were addressed while achieving architectural appeal.