Southtowns Record

5A.-ENGINEER'S REPORT

Government
Town of Aurora
Board
Town Board
Meeting
Feb 4, 2026
Kind
Other
Topics
Water, sewer and drainage, Zoning and land use, Public safety

Original document

Same meeting

Text · page 259 of 351

Read the whole document on one page (all 351 pages, each with its own heading)

WNY-2500056.00_HydroCAD  extreme_precip_tables_output (29) 24-hr S1 25-yr Rainfall=3.85"
Prepared by Greenman-Pedersen, Inc  Printed 12/18/2025
HydroCAD® 10.20-7a s/n 04560 © 2025 HydroCAD Software Solutions LLC  Page 184

  Hydrograph for Pond SWALE: SWALE

  Time  Inflow  Storage  Elevation  Primary  Time  Inflow  Storage  Elevation  Primary
(hours)  (cfs)  (cubic-feet)  (feet)  (cfs)  (hours)  (cfs)  (cubic-feet)  (feet)  (cfs)
  0.00  0.00  0  900.00  0.00  18.00  0.02  506  900.78  0.02
  0.50  0.00  0  900.00  0.00  18.50  0.02  503  900.78  0.02
  1.00  0.00  0  900.00  0.00  19.00  0.01  500  900.78  0.02
  1.50  0.00  0  900.00  0.00  19.50  0.01  498  900.77  0.02
  2.00  0.00  1  900.00  0.00  20.00  0.01  495  900.77  0.01
  2.50  0.00  2  900.01  0.00  20.50  0.01  493  900.77  0.01
  3.00  0.00  5  900.01  0.00  21.00  0.01  491  900.77  0.01
  3.50  0.00  8  900.02  0.00  21.50  0.01  490  900.76  0.01
  4.00  0.00  12  900.03  0.00  22.00  0.01  488  900.76  0.01
  4.50  0.00  18  900.04  0.00  22.50  0.01  487  900.76  0.01
  5.00  0.00  24  900.06  0.00  23.00  0.01  485  900.76  0.01
  5.50  0.00  31  900.07  0.00  23.50  0.01  484  900.76  0.01
  6.00  0.01  40  900.09  0.00  24.00  0.01  483  900.76  0.01
  6.50  0.01  49  900.11  0.00
  7.00  0.01  61  900.14  0.00
  7.50  0.01  74  900.17  0.00
  8.00  0.01  90  900.20  0.00
  8.50  0.01  110  900.23  0.00
  9.00  0.01  133  900.28  0.00
  9.50  0.02  162  900.32  0.00
  10.00  0.02  198  900.38  0.00
  10.50  0.03  244  900.45  0.00
  11.00  0.04  307  900.54  0.00
  11.50  0.07  406  900.67  0.00
  12.00  0.79  832  901.11  0.12
  12.50  0.31  1,084  901.32  0.46
  13.00  0.08  761  901.04  0.20
  13.50  0.05  631  900.91  0.09
  14.00  0.04  582  900.86  0.06
  14.50  0.03  557  900.84  0.04
  15.00  0.03  542  900.82  0.04
  15.50  0.03  532  900.81  0.03
  16.00  0.02  525  900.80  0.03
  16.50  0.02  519  900.80  0.02
  17.00  0.02  514  900.79  0.02
  17.50  0.02  509  900.79  0.02