Green River Filtration Facility

The Green River Filtration Facility is located on 100 acres in the Green River Watershed and has the capacity to filter 150 million gallons of water a day. The facility features (2) 1,500 KW, 12,470 volt Diesel engine generators that supply the plant through state of the art paralleling switchgear. The power routes through miles of on-site duct banks. The plant boasts SCADA interface control through all actuators, pumps, Motor Controllers, VFD’s, ect and is locally controlled via HMI’s (Human Interface Machine’s) throughout the plant. The facility can operate and function as a complete stand-alone facility without the utility company.

Project Info

Project Name

Green River Filtration Facility







Tacoma Public Utilities

General Contractor

Hoffman Construction

Delivery Method

Lump Sum



Related Projects

2021 Washington’s Safest Electrical Contractor with an EMR .5559


2200 6th Avenue, Suite 905
Seattle, WA 98121

1100 Merrill Creek Parkway
Everett, WA 98203

Estimating Inquiries

© 2022 – Valley Electric – All rights reserved. Online Presence by Digital Face Media


We provide 24 hours, 7 days a week service support and consultation when you need us the most. We are able to support you with any emergency, specialized project, from small work to the ongoing equipment maintenance and operation.

Valley Electric also offers clients proactive predictive maintenance, periodic maintenance programs that ultimately reduce cost and demands, while maintaining stringent quality measures.  We execute routine and emergency maintenance of electrical power systems and equipment.

You can contact our 24-hour electrical service and maintenance department at 1.888.424.7730 (Off hours). During the working hours, 7:00am to 3:30pm, please call 425.322.7403


The Sound Transit Operations and Maintenance Facility East project won a 2022 Build America Award in the Design-Build Civil Category. The $236 million, design-build project is a new light rail operations and maintenance facility that accommodates the inspection, service, maintenance, storage, and deployment of 96 light rail vehicles and includes 14 service bays, a LRV wash facility, yard storage, materials storage and handling equipment, parking, and office space for administration and support staff.

Congratulations to Valley and the collaborative team who came together and demonstrated a better way to build!