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DEPARTMENT OF PUBLIC WORKS OFFICE OF THE CITY ENGINEER CITY OF MIDDLETON PH [PHONE REDACTED] FAX [PHONE REDACTED] 7426 HUBBARD AVENUE MIDDLETON, WI 53562-3118 Storm Water Management System Maintenance Component Types 1 Apron Endwall 19 Manhole W/Sump 2 Berm 20 Manhole W/Sump and Filter 3 Bioretention Basin 21 Monitoring Well 4 Bioswale 22 Oil, Grease Filter Trap 5 Catch Basin 23 Outfall Control Structure 6 Catch Basin W/Filter 24 Rain Garden 7 Culvert 25 Retaining Wall 8 Detention Pond - Dry 26 Rip-rap 9 Detention Pond - Wet 27 Rock Check Dam 10 Exfiltration Pipe 28 Sediment Basin 11 Infiltration Pond 29 Storm Ditch 12 Infiltration Structure 30 Storm Sewer 13 Inlet - curb 31 Swale - Grass 14 Inlet - Curb W/Filter 32 Swale - Stone 15 Inlet - Field 33 Trench Drain 16 Inlet - Slotted 34 Underdrain 17 Level Spreader 35. Underground Detention 18 Manhole