E. Coli and Rainfall
E. Coli can originate from various sources, including animal waste, but human markers help identify the most dangerous types linked to sewage. Heavy rainfall exacerbates pollution issues in cities with combined sewer systems, leading to raw sewage being released into rivers when treatment plants exceed capacity. Despite efforts to mitigate overflow with large storage tanks, pollution levels remain concerning, indicating that solutions may not yet be fully operational.In this clip
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