Magnolia Storm Drain/Zone 1

The Magnolia Storm Drain project in San Bernardino County, California, involves replacing the existing 66-inch and 72-inch reinforced concrete pipe that outlets into the Cypress Channel south of Riverside Drive and Cypress Avenue with a series of larger reinforced concrete boxes ranging in size from 8x8 feet to 12x7 feet. The new structure is designed to handle the 100-year storm flowrate from surrounding residential and commercial areas, ensuring adequate drainage capacity to prevent flooding in the future. The project includes comprehensive improvements such as channel enhancements to facilitate the connection, installation of new manholes and junction structures, and full removal of the outdated reinforced concrete pipe. Additional scope elements encompass utility relocations, roadway reconstruction, and associated earthwork to support the new infrastructure. The work is strategically located in the 91710 zip code area and falls under the jurisdiction of San Bernardino County’s Department of Public Works, with primary contacts including Planner III Maryn Mineo-Wells and Engineering Manager Arlene B. Chun for project coordination and inquiries.