Engineering consisted of design, permitting, and construction administration for both Moses Lake Wastewater Treatment Plants; Dunes and Larson.
The Dunes plant is a 4.0 MGD facility designed to meet advanced effluent standards and used to recharge groundwater. The plant consists of two Extended Aeration Activated Sludge treatment systems, Trojan UV disinfection, mechanical screening with aerated grit chambers, Long Term Biosolids Digestion Basins (LTBDB), plant pump stations, and related facilities. Both Moses Lake plants continually receive awards for treatment compliance. The extended aeration system is easy to operate and forgiving to shock loads and peak flows.
Includes rangeland enchancement by surface application of Biosolids.
The Larson plant is a 0.75 MGD facility designed to meet advanced effluent standards and used to recharge groundwater.
Project work included, industrial waste surveys, developing Facility Plans, design and construction administration for wastewater treatment facilities consisting of mechanical screening, extended aeration activated sludge basins, aerobic sludge digestion, sludge dewatering, UV disinfection, influent lift station, rapid infiltration, and related facilities.
Wilson Engineering also performed design, permitting, and construction administration for the City's Central Operation Facilities Headworks. The projected consisted of two aerated grit basins followed by dual mechanical screens and bypass channel. The headworks is sized to handle 4.64 MGD. The project also included an 800,000 gallon emergency overflow equalization basins.
Mr. Richard Law, P.E., City Engineer
Phone: (509) 764-3782
Tony Pfluger - Wastewater Supervisor
Phone: (509) 764-3966
Moses Lake, WA
Planning, design, funding, inspection and construction phase services for 0.6 MGD WWTP and new sewer collection system. Funding for the project included grants and loans from PWTF, CDGB, SRF, CCWF, and RECD. The project also included Small Town Environment Program's (STEP) community labor and volunteers and use of prison labor.
Design, Construction, Permitting, and Value Engineering for a new 100,000 GPD MBR Package Plant.
Design and construction management for 3.1 MGD WWTP in Wilbur, WA. Plant is an extended aeration activated sludge plant with mechanical screen headworks, aerated grit chamber, MLE treatment process, UV disinfection, biosolids stabilization ponds, and infiltration ponds.