Southtowns Record

PBA05.14.2026packet

Government
Town of West Seneca
Board
Planning Board
Meeting
May 14, 2026, 6:00 p.m.
Posted by publisher
May 12, 2026
Kind
Agenda packet
Topics
Water, sewer and drainage, Zoning and land use, Housing, Roads and traffic, Budget and taxes, Parks and recreation, Public safety

Original document

Same meeting

Text · page 192 of 359

Read the whole document on one page (all 359 pages, each with its own heading)

D_App D_Pre-Development Model  NY-West Seneca 24-hr S1 100-yr Rainfall=5.22"
Prepared by Labella Associates  Printed 4/17/2026
HydroCAD® 10.20-7a s/n 09581 © 2025 HydroCAD Software Solutions LLC  Page 16

  Summary for Reach AP-1: Cayuga Creek

Inflow Area =  11.117 ac, 9.50% Impervious, Inflow Depth = 3.25" for 100-yr event
Inflow  =  36.80 cfs @ 12.16 hrs, Volume=  3.008 af
Outflow  =  36.80 cfs @ 12.16 hrs, Volume=  3.008 af, Atten= 0%, Lag= 0.0 min

Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.01 hrs

  Reach AP-1: Cayuga Creek
  Hydrograph

  Inflow
  36.80 cfs  Outflow
  40  36.80 cfs
  38
  36
  Inflow Area=11.117 ac
  34
  32
  30
  28
  26
  24
  Flow (cfs)

  22
  20
  18
  16
  14
  12
  10
  8
  6
  4
  2
  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 192 of 359