The San Bernardino County Flood Control District proposes annual routine maintenance activities within Wineville Basin. Wineville Basin is an earthen trapezoidal flow through detention basin with reinforced concrete inlet and outlet structures. The basin is located within the Day Creek Channel sub-watershed of the Santa Ana River Watershed. Wineville Basin receives flows from Day Creek Channel, from Lower Etiwanda Creek Channel, from urban development located immediately to its north, and from the I-15 freeway. Flows continue to Day Creek Channel through the basin and flow through to the Riverside Basin, which is currently used as a water storage facility. The District owns, operates, and maintains Wineville Basin; and as such the District is required to maintain the basin in compliance with current mandated operating procedures and requirements for flood protection purposes.
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