HDR is an architecture firm based in Pasco, Washington, specializing in large-scale public infrastructure projects, particularly in wastewater treatment and water conveyance systems. The firm has played a central role in improving the City of Pasco’s Wastewater Treatment Plant, supporting the city’s efforts to expand treatment capacity and meet federal and state environmental standards. Their work has included third-party construction management, on-site observation, and full project coordination for both Phase 1 and Phase 2 of the facility upgrade, which involved rehabilitating liquids and solids systems, constructing a new 42-inch-diameter outfall, and installing a multiport diffuser in the Columbia River. These projects represent a comprehensive modernization of a fully operational facility, enhancing its ability to safely return treated water to the river.
HDR’s approach emphasizes integrated, solutions-driven design that balances technical precision with community and environmental impact. Their work in Pasco reflects a broader commitment to sustainable infrastructure, including projects that support renewable energy integration, grid modernization, and resilient public facilities. The firm’s expertise spans architecture, environmental sciences, program management, and construction delivery, with a focus on long-term value and performance across complex public works.
The firm maintains a strong reputation in the region, as evidenced by its perfect 5.00 rating and positive client feedback. It has been recognized with a Project of the Year award in 2024 by the American Public Works Association, Washington Chapter, for its work on the Pasco Wastewater Treatment Plant. This distinction underscores its leadership in delivering high-impact, environmentally responsible infrastructure.
Located at 2805 St Andrews Loop in Pasco, HDR serves the region’s growing needs with a focus on durable, forward-thinking design. The firm’s work in Pasco exemplifies its commitment to elevating public infrastructure through innovation and environmental stewardship.