1988-04-18_PERMIT FILE - C1981008A (2)

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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 fiR HR K-HRS X HYDRO ------------------------------------------------------------------------ 1 7.69 82.00 0.078 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 PCF VALUE OPT COND ---------------------------------------------------------------------------- 1 1 0.25 0.0 2.09 1.000 1.0 0.0 * * * COMPUTED VALUES FOR INDIVIDUAL_ WATERISHEDS * * * WATERSHED PEAK FLOW RUNOFF SEDIMENT DIAM DELIVERY DELIVERY (CFS) ( INCHES) TONS (MM) RATIO 1 RATIO 2 ---------------------------------------------------------------------- 1 3.45 0.40 46.41 0.010 1.000 1 .000 NOTE: SEDIMENT DOES NOT INCLUDE POSSIBLE DEPOSITION BY DELIVERY RATIO 2 ***** SUMMARY TABLE FOR TOTAL WATERSHED ***** --------------------------------------------- RUNOFF VOLUME = 0.2575 ACRE-FT PEAK DISCHARGE = 3.4452 CFS AREA = 7.6930 ACRES TIME OF PEAK DISCHARGE = 12.00 HRS BETA = 1.0000 RAINFALL EROSITIVITY FACTOR = 13.39 El UNIT PEAK CONCENTRATION = 253754.94 MG/L PEAK SETTLEABLE CONCENTRATION = 100.59 ML/L_ PEAK SETTLEABLE CONCENTRATION = 125735.31 MG/L TOTAL SEDIMENT YIELD = 46.14147 TONS REPRESENTATIVE PARTICLE SIZE = 0.0100 MM TIME OF PEAK CONCENTRATION = 12.00 HRS PERIOD OF SIGNIFICANT CONCENTRATION = 12.20 HRS VOLUME WEIGHTED AVERAGE SETTLEABLE CONCENTRATION DURING PERIOD Of SIGNIFICANT CONCENTRATION = 49.18 ML/L VOLUME WEIGHTED AVERAGE SETTLEABLE CONCENTRATION DURING PEAK 24 HOUR PERIOD = 49.18 ML/L ARITHMETIC AVERAGE SETTLEABLE CONCENTRATION DURING PERIOD Of SIGNIFICANT CONCENTRATION = 0.00 ML/L ARITHMETIC AVERAGE SETTLEABLE CONCENTRATION DURING PEAK 24 HOUR PERIOD = 12.96 ML/L