What's a beach city, if not to enjoy the shores? For Imperial Beach, ‘keep out' signs have continued to disappoint swimmers hoping to get in the water. The reason for that is during every rainstorm Imperial Beach and sometimes even Coronado gets plagued by contaminants stemming from the Tijuana river urban runoff. It's the same runoff has been known to make people sick. Full story on CBS8.com: https://www.cbs8.com/article/news/local/urban-runoff-from-tijuana-river-caused-by-rainstorm/509-7f69af0e-595d-4411-94ea-ac40d3fb1390