Water Treatment Plant

Donner Summit Public Utility District treats water and distributes it to domestic users throughout the DSPUD boundaries. The water source is Lake Angela, located near the eastern boundary of the District. The District serves about 243 water customers, including residential, commercial, lodging, and resort users.

Water from Lake Angela, a District-owned lake and dam, and is processed through the nearby state-of-the-art treatment plant. The plant was recently upgraded to meet state requirements with respect to filtration and disinfection. The plant's capacity is estimated at 0.50 millions of gallons per day (mgd). From the treatment plant, distribution lines run west along Donner Pass Road, and serve that corridor, as well as Soda Springs. A portion of the Sugar Bowl area is also connected to this system. Additionally, the District provides water distribution parallel to Interstate 80, between Soda Springs and the Donner Summit rest area. The system includes a number of storage tanks and pressure-regulating devices to serve the various pressure zones over the variable elevations of the district. There is enough capacity in the water treatment and distribution system to roughly double the existing number of services. All water service is metered.

After 18 months of construction, the DSPUD Water Treatment Plant upgrade project is complete. One significant upgrade included installing two clarification/filtration treatment basins, which addressed the high levels of turbidity recently found in the potable water supply. The new system will filter out the turbid conditions caused by the abundance of algae from the district’s water source, Lake Angela.

The upgraded plant also has the capacity to treat 1.0 MGD of water daily. This change was required to meet state mandated regulation to have redundant basins, each having the capacity to process 0.5 MGD. The two-basin system provides a back up in the event the other basin becomes unusable for any length of time and during normal plant maintenance.

Other upgrades include improvements to the existing clearwell, which will maximize the effectiveness of chlorine by using more contact time and less chlorine, an upgrade to the chemical feed facility and replacing the old, deteriorating 24” raw water pipeline with 12” robust PVC pipe.

Check out the photos below!