Southtowns Record

PB Agenda Packet 8.13.2026

Government
Town of West Seneca
Board
Planning Board
Meeting
Aug 13, 2026, 6:00 p.m.
Posted by publisher
Jul 28, 2026
Kind
Agenda packet
Topics
Water, sewer and drainage, Roads and traffic, Housing, Zoning and land use, Parks and recreation, Budget and taxes, Public safety

Original document

Same meeting

Text · page 454 of 1174

Read the whole document on one page (all 1174 pages, each with its own heading)

WEST SENECA - PRE DEVELOPMENT
D_App D_Pre-Development Model_REV 1  NY-West Seneca 24-hr S1 1-yr Rainfall=1.82"
Prepared by Labella Associates  Printed 7/26/2026
HydroCAD® 10.20-6a s/n 09581 © 2024 HydroCAD Software Solutions LLC  Page 11

  Summary for Reach AP-1: Cayuga Creek

[40] Hint: Not Described (Outflow=Inflow)

Inflow Area =  16.122 ac, 6.63% Impervious, Inflow Depth = 0.49" for 1-yr event
Inflow  =  5.58 cfs @ 12.18 hrs, Volume=  0.658 af
Outflow  =  5.58 cfs @ 12.18 hrs, Volume=  0.658 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
  5.58 cfs  Outflow
  6
  5.58 cfs
  Inflow Area=16.122 ac
  5

  4
  Flow (cfs)

  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 454 of 1174