What is Inflow and Infiltration (I/I or I&I)
Inflow and Infiltration (I/I) is clear water originating from storm water runoff entering into the City's sanitary sewer system.

  • Inflow is when clear water from illegal connections of sump pumps, downspouts, and foundation drains is channeled into the sanitary sewer pipes.

  • Infiltration is when groundwater seeps or is directed into sewer pipes via cracks, leaky joints or connections.

Show All Answers

1. What is Inflow and Infiltration (I/I or I&I)
2. Why is I/I a problem?
3. Who is subject to an I/I Inspection?
4. What do I need to do for the inspection?
5. How do I know if I'm compliant?
6. How long is an I/I Compliance Certificate good for?