What is inflow and infiltration?

Inflow and Infiltration (I/I) is the excess flow of clear water into the City's sanitary sewer system. The City of Moose Lake owns and operates the sanitary sewer collection system and wastewater treatment ponds. Because the sanitary sewer system was not designed to handle this excess clear water, the system and ponds can becomes overloaded during times of high groundwater or heavy rainfall. This limits the capacity of the ponds, can cause basement flooding or bypassing of raw wastewater to local streams and lakes. 

I and I

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1. Why is Point of Sale Inspection Required?
2. Who is subject to an inspection?
3. What is the fee?
4. What is inflow and infiltration?
5. Why is I&I a problem?