City of Morgan Hill Sewer System Master Plan 2017

City of Morgan Hill Sanitary Sewer Flow Monitoring and Inflow/Infiltration Study

Figure 20 illustrates the possible sources and components of I/I.

Roof Vent

.

. .

Manhole Cover with Holes

Deteriorated Lateral

Tree Root Penetration

Deteriorated Manhole

Downspout connected to Lateral

Area Drain connected to Lateral

Exfiltration from Storm Sewer

Cracked or Damaged Pipe

Faulty Lateral Connection to Sanitary Sewer

Cross-connection from Storm Catch Basin

Figure 20. Typical Sources of Infiltration and Inflow

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