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Valves (4)
Entry Point Source Location (5)
Routine Sample Sites (6)
Water Service Connection (7)
Water Network Structure (8)
Water Hydrant (9)
Water Main (10)
Pressure Plane Boundary (11)
Water Structure Area (12)
Lift Station (13)
Sewer Manhole (14)
Sewer Clean Out (15)
Sewer Pressure Main (16)
Sewer Gravity Main (17)
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