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City of Morgan Hill
Sanitary Sewer Flow Monitoring and Inflow/Infiltration Study
12-0248 AEG CofMorganHill FM Rpt.docx
Page 28 of 46
Figure 20 illustrates the possible sources and components of I/I.
Figure 20. Typical Sources of Infiltration and Inflow
.
.
.
Downspout
connected
to Lateral
Manhole Cover
with Holes
Cross-connection
from
Storm Catch Basin
Area Drain
connected
to Lateral
Deteriorated
Manhole
Cracked or
Damaged Pipe
Faulty Lateral Connection
to Sanitary Sewer
Exfiltration
from
Storm Sewer
Deteriorated
Lateral
Roof Vent
Tree Root
Penetration