PBA06.11.2026packet

Government: Town of West Seneca
Board: Planning Board
Meeting: Jun 11, 2026, 6:00 p.m.
Posted by publisher: Jun 3, 2026
Kind: Agenda packet
Topics: Water, sewer and drainage, Housing, Zoning and land use, Roads and traffic, Parks and recreation, Budget and taxes, Public safety

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E_App E_Post-Development Model  NY-West Seneca 24-hr S1 100-yr Rainfall=5.22"
Prepared by Labella Associates  Printed 4/20/2026
HydroCAD® 10.20-7a s/n 09581 © 2025 HydroCAD Software Solutions LLC  Page 56

  Pond BIO-2: Filtration Bioretention
  Hydrograph

  3.52 cfs  Inflow
  Outflow

  3.26 cfs  Inflow Area=0.649 ac  Primary
  Secondary
  Tertiary
  3.23 cfs  Peak Elev=597.25'
  Storage=1,582 cf
  3
  Flow (cfs)

  2

  1
  0.02 cfs

  0.00 cfs
  0
  0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72
  Time (hours)

  Page 252 of 849