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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Text · page 501 of 849

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Calculate Water Quality Volume
Is this project subject to Section 4.3 of the NYS Design Manual for Enhanced Phosphorus
Removal?  No
What is the nature of this construction project?  New Construction
  Design Point:  1
  Enter 90% Rainfall Event as P
  P=  1.00  inches
  Calculate Required WQv
  Contributing  Percent
Drainage Area  Impervious Area  WQv  SMP
  Area  Impervious  Rv
  Number  (Acres)  (cf)  Description
  (Acres)  %
  Filtration
  1  3.66  1.89  52  0.51  6,839
  Bioretention
  Filtration
  2  2.16  1.07  50  0.50  3,888
  Bioretention
  3
  4
  5
  6
  7
  8
  9
  10
  11
  12
  13
  14
  15
  16
  17
  18
  19
  20
  21
  22
  23
  24
  25
  26
  27
  28
  29
  30
  Total  5.82  2.96  51  0.51  10727  Required WQv

  Page 501 of 849