Flow Direction (501)
System Inlet (502)
| Unknown |
| Catch Basin |
| Double Catch Basin |
| Catch Basin Maintenance Hole |
| Double Catch Basin Maintenance Hole |
| Ditch Inlet Catch Basin |
| Ditch Inlet Catch Basin Maintenance Hole |
BMP Inlet (503)
| Unknown |
| Catch Basin |
| Catch Basin Maintenance Hole |
| Pipe Inlet |
| Channel Inlet |
BMP Outlet (504)
| Unknown |
| Catch Basin |
| Double Catch Basin |
|
| Catch Basin Maintenance Hole |
| Double Catch Basin Maintenance Hole |
| Ditch Inlet Catch Basin |
| Pipe Outlet |
| Riser |
| Overflow Weir |
Maintenance Hole (505)
| Unknown |
| Maintenance Hole |
Manufactured Treatment Device (506)
| Unknown |
| Separation |
| Filtration |
Cleanout (507)
| Unknown |
| Cleanout |
Check Dam (508)
Outfall (509)
| Unknown |
| Outfall |
Pipe (510)
| Unknown |
| Perforated Pipe |
| Gravity Pipe |
| Force Pipe |
Open Channel (511)
| Unknown |
| Natural Channel |
| Spillway Channel |
| Ditch Channel |
| Roadside Channel |
Culvert (512)
| Unknown |
| Pipe Culvert |
|
| Pipe Arch |
|
| Box Culvert |
|
| Arch Culvert |
|
| Structural Plate |
Management Facilities (BMP) (513)
| Unknown |
| Dry Pond |
| Wet Pond |
| Wetland |
| Hybrid |
| Combination |
| Plunge Pool |
| Infiltration Trench |
| Bioretention Cell |
Sewershed (514)
|
