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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23-4121 storm calcs - Proposed  Type II 24-hr 10-Year Rainfall=3.14"
Prepared by Carmina Wood Design  Printed 5/14/2026
HydroCAD® 10.20-8a s/n 05019 © 2025 HydroCAD Software Solutions LLC  Page 22

  Pond 1P: Detention Pond
  Hydrograph

  Inflow
  11.90 cfs  Primary
  13

  12  Inflow Area=253,441 sf
  11  Peak Elev=672.95'
  10
  Storage=15,013 cf
  9

  8
  Flow (cfs)

  7

  6

  5

  4
  2.82 cfs
  3

  2

  1

  0
  5  10  15  20  25  30  35  40  45  50  55  60  65  70
  Time (hours)

  Page 544 of 849