_PERMIT FILE - C1981008A (13) - Laserfiche WebLink

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* * * * * * * * * * * * * * * * * * * * * * * JUNCTION 1, BRANCH 1, STRUCTURE 1 * * * * * * * * * * * * * * * * * * * * * * * *** HYDRAULIC INPUT VALUES FOR SUBWATERSHEDS *** WATER AREA CURVE TC TT ROUTING COEFFICIENTS UNIT SHED ACRES NUMBER HR HR K-HRS X HYDRO ------------------------------------------------------------------------ 1 6.26 81 .00 0.064 0.000 0.000 0.00 0.0 *** SEDIMENT INPUT VALUES FOR SUBWATERSHEDS *** WATER SEG SOIL LENGTH SLOPE CP PART SURF SHED NUM K FEET PCT VALUE OPT COND ---------------------------------------------------------------------------- 1 1 0.25 0.0 4.10 1.000 1.0 0.0 * * * COMPUTED VALUES FOR INDIVIDUAL WATERSHEDS * * * WATERSHED PEAK FLOW RUNOFF SEDIMENT DIAM DELIVERY DELIVERY (CFS) ( INCHES) TONS (MM) RATIO 1 RATIO 2 ---------------------------------------------------------------------- 1 5.95 0.87 169.91 0.010 1 .000 1.000 NOTE: SEDIMENT DOES NOT INCLUDE POSSIBLE DEPOSITION BY DELIVERY RATIO 2 ***** SUMMARY TABLE FOR TOTAL WATERSHED ***** --------------------------------------------- RUNOFF VOLUME = 0.4544 ACRE-FT PEAK DISCHARGE = 5.9470 CFS AREA = 6.2550 ACRES TIME OF PEAK DISCHARGE = 12.00 HRS BETA = 1.0000 RAINFALL EROSITIVITY FACTOR = 32.38 El UNIT PEAK CONCENTRATION = 446313.50 MG/L PEAK SETTLEABLE CONCENTRATION = 176.92 ML/L PEAK SETTLEABLE CONCENTRATION = 221148.19 MG/L TOTAL SEDIMENT YIELD = 169.9143 TONS REPRESENTATIVE PARTICLE SIZE = 0.0100 MM TIME OF PEAK CONCENTRATION = 12.00 HRS PERIOD OF SIGNIFICANT CONCENTRATION = 13.20 HRS VOLUME WEIGHTED AVERAGE SETTLEABLE CONCENTRATION DURING PERIOD OF SIGNIFICANT CONCENTRATION = 95.07 ML/L VOLUME WEIGHTED AVERAGE SETTLEABLE CONCENTRATION DURING PEAK 24 HOUR PERIOD = 95.07 ML/L ARITHMETIC AVERAGE SETTLEABLE CONCENTRATION DURING PERIOD OF SIGNIFICANT CONCENTRATION = 0.00 ML/L ARITHMETIC AVERAGE SETTLEABLE CONCENTRATION DURING PEAK 24 HOUR PERIOD = 24.52 ML/L