
Ingelwood Drive Sewer Improvements
Client—Beacon Hill Water & Sewer District, Kelso, Washington

Roy Morse Pump Station
Client—City of Longview, Washington

Nevada Drive Interceptor Feasibility Evaluation
Client—Beacon Hill Water & Sewer District, Kelso, Washington

Basin 1022 Infiltration and Inflow Rehabilitation
Client—City of Chehalis, Washington

Illahee-Oyehut Sewer Collection System
Client—Grays Harbor County, Washington

Capital Improvement Plan
Client—Three Rivers Regional Wastewater Authority, Cowlitz County, Washington

Sewer Vactor Dumping & Drying Bed Facility
Client—Three Rivers Regional Wastewater Authority (TRRWA), Washington

Treatment Plant & Collection System Improvements
Client—Port of Grays Harbor, Washington

North Plant Blower Installation
Client—Three Rivers Regional Wastewater Authority, Longview, Washington

Grand Pump Station Upgrade
Client—City of Napavine, Washington

Sanitary Sewer Evaluation
Client—Port of Kalama, Washington

Pump Station & Forcemain Improvements
Client—City of Longview, Washington

Biosolids Removal and Reuse
Client—City of Longview, Washington

Effluent Treatment Upgrades
Client—City of Astoria, Oregon

Wastewater System pH Control
Client—TransAlta Centralia Generation

Wastewater Treatment Plant
Client—City of Tenino, Washington
Contact us to find out how Gibbs & Olson can help you.
WASTEWATER
- General Sewer / Facility Plans & Evaluations
- Conveyance, Pre-Design & Design (Gravity, Pump Stations & Forcemains)
- Trenchless Pipe Rehabilitation (Cure-in-place-pipe, pipe bursting & HDPE liners)
- Treatment & Disinfection
- Reclaimed Water