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 188 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 10-yr Rainfall=3.14"
Prepared by Labella Associates  Printed 4/17/2026
HydroCAD® 10.20-7a s/n 09581 © 2025 HydroCAD Software Solutions LLC  Page 12

  Summary for Reach AP-1: Cayuga Creek

Inflow Area =  11.117 ac, 9.50% Impervious, Inflow Depth = 1.47" for 10-yr event
Inflow  =  16.27 cfs @ 12.17 hrs, Volume=  1.361 af
Outflow  =  16.27 cfs @ 12.17 hrs, Volume=  1.361 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
  18  16.27 cfs  Outflow
  16.27 cfs
  17
  16
  Inflow Area=11.117 ac
  15
  14
  13
  12
  11
  Flow (cfs)

  10
  9
  8
  7
  6
  5
  4
  3
  2
  1
  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 188 of 359