Southtowns Record

PBA09.10.2026packet

Government
Town of West Seneca
Board
Planning Board
Meeting
Sep 10, 2026, 6:00 p.m.
Posted by publisher
Sep 4, 2026
Kind
Agenda packet
Topics
Water, sewer and drainage, Zoning and land use, Roads and traffic, Budget and taxes, Public safety, Parks and recreation

Original document

Same meeting

Text · page 78 of 84

Read the whole document on one page (all 84 pages, each with its own heading)

Rustys_Post-Construction - Copy  Type II 24-hr 25-yr Rainfall=3.84"
Prepared by Waves AE  Printed 7/29/2026
HydroCAD® 10.20-7a s/n 13900 © 2025 HydroCAD Software Solutions LLC  Page 17

  Pond 4P: INFIL. BED SAND
  Hydrograph

  Inflow
  Outflow
  0.52 cfs  Discarded
  0.48 cfs
  Inflow Area=3,392 sf  Primary
  0.55
  0.52 cfs
  Peak Elev=648.14'
  0.5

  0.45
  Storage=293 cf
  0.4

  0.35
  Flow (cfs)

  0.3

  0.25

  0.2

  0.15

  0.1
  0.00 cfs
  0.05

  0
  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20
  Time (hours)

  Page 78 of 84