Parkway Wastewater Treatment Facility

Parkway Wastewater Treatment Facility

Stiver Engineering completed the engineering and contract administration of the 10 MGD facility for the Washington Suburban Sanitary Commission in Washington, D.C. Improvements included rebuilding the trickling filters and the addition of sludge handling equipment. Sludge was incinerated using two fluidized bed furnaces, and additional effluent quality was achieved by the use of mechanical filters…

Nassau Bay Wastewater Treatment Facility

Nassau Bay Wastewater Treatment Facility

Stiver Engineering provided water and wastewater engineering through design services for a new 1.0 MGD wastewater treatment facility in Nassau Bay, Texas, complete with a new sewer main, activated sludge treatment, secondary clarification, aerobic digestion, sludge belt presses, chlorination, de-chlorination, and filtration.  Because the facility was constructed within the floodplain, it was elevated to provide…

Blackhawk Regional Wastewater Treatment Facility

Blackhawk Regional Wastewater Treatment Facility

Stiver Engineering was recruited for water and wastewater engineering through the civil, structural, electrical, control, and mechanical designs of the 22 MGD advanced wastewater facility in Friendswood, Texas. The processes involved included grit removal, primary clarification, activated sludge, secondary clarification, filtration, and more.