Parsons Receives 2025 Engineering Excellence Honor Award for Deer Creek Sanitary Tunnel and Pump Station Project

Core Insights - Parsons Corporation has been awarded the 2025 Honor Award in the Water and Wastewater category by the American Council of Engineering Companies (ACEC) for the Deer Creek Sanitary Tunnel and Pump Station project, highlighting its commitment to transformative engineering solutions [1][2] Project Overview - The Deer Creek Sanitary Tunnel and Pump Station project previously received the Grand Award from ACEC Missouri, emphasizing its exceptional engineering achievements at the state level [2] - The project is part of the Metropolitan St. Louis Sewer District's Capital Improvement Program and involved extensive design and construction services for various infrastructure components [2][3] Engineering and Design Features - The project includes a four-mile long tunnel, 19 feet in diameter, constructed 175 feet below the surface, capable of storing over 38 million gallons of wastewater during wet-weather events [4] - Key components of the project include a wet weather sanitary storage facility designed to manage peak wet weather flows and prevent downstream sewer overloading [3][4] Environmental Impact - The Deer Creek Watershed encompasses approximately 24,000 acres and includes over 100 miles of sanitary and combined sewer systems, with the project aimed at enhancing environmental sustainability and safeguarding water resources [3] - The innovative engineering solutions implemented in the project are intended to effectively manage excess stormwater and reduce environmental impacts [4] Company Expertise - Parsons has extensive experience in designing and delivering infrastructure projects globally, including roads, bridges, rail systems, and public transit, contributing to improved safety and travel efficiency [5]