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E. coli is a major bacterial pollutant in Michigan’s water. While E. coli is commonly talked about in reference to combined sewer overflows and large-scale agricultural operations, there is another major source of E. coli in our water that every state in the country other than Michigan has worked to eliminate — leaking and failing septic systems.

Michigan is currently the only state that does not require regular inspections of septic systems, and the problem is only getting worse with time. Septic systems are generally found in rural areas where municipal sewer systems don’t exist, or in older