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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 21 Manhole W/Sump and Filter 3 Bioretention Basin 22 Monitoring Well 4 Bioswale 23 Oil, Grease Filter Trap 5 Catch Basin 24 Outfall Control Structure 6 Catch Basin W/Filter 25 Rain Garden 7 Culvert 26 Retaining Wall 8 Detention Pond - Dry 27 Rip-rap 9 Detention Pond - Wet 28 Rock Check Dam 10 Exfiltration Pipe 29 Sediment Basin 11 Infiltration Pond 30 Storm Ditch 12 Infiltration Structure 31 Storm Sewer 13 Inlet - curb 32 Swale - Grass 14 Inlet - Curb W/Filter 33 Swale - Stone 15 Inlet - Field 34 Trench Drain 16 Inlet - Slotted 35 Underdrain 17 Level Spreader 36 Underground Detention 18 Manhole