A significant environmental issue has arisen along the Coronado shoreline, where daily sewage flows from Mexico are severely impacting local beaches. The contamination, linked to the Tijuana River, has resulted in repeated closures of the shoreline, notably disrupting recreational plans for swimmers on critical holiday weekends, including Memorial Day. Authorities have repeatedly closed the area due to new sewage contamination, highlighting ongoing concerns about the ecological and public health implications of these discharges.