1988-04-18_PERMIT FILE - C1981008A

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JUNCTION 2, BRANCH 1, STRUCIURE 2 * * * * * * * * * * * * * * * * * * e * * * *µ* HYDRAULIC INPUT VALUES FOR SUBWATERSHEDS *** WAIER AREA CURVE TC TT ROUTING COEFFICIENTS UNIT SHLD ACRES NUMBER HR HR K-HRS X HYDRO ------------------------------------------------------------------------ 1 25.00 70.00 0.300 0.060 0.060 0.39 1.0 2 26.00 71.00 0.090 0.000 0.000 0.00 0.0 ** SEDIMENT INPUT VALUES FOR SUBWATERSHEDS *** WATER SEG SOIL LENGTH SLOPE CI' PART SURF SHED NUM K FEET PCT VALUE OPT COND ---------------------------------------------------------------------------- 1 1 0.25 650.0 5.38 1.000 1.0 0.0 2 1 0.25 450.0 3.33 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 0.90 0.11 14.54 0.003 0.585 0.997 2 2.67 0.13 9.91 0.010 1.000 1.000 NOTE: SEDIMENT DOES NOT INCLUDE POSSIBLE DEPOSITION BY DELIVERY RATIO 2 ***** SUMMARY TABLE FOR TOTAL WATERSHED *"*** --------------------------------------------- RUNOFF VOLUME = 0.5016 ACRE-FT PEAK DISCHARGE = 2.7359 CFS AREA = 51 .0000 ACRES TIME OF PEAK DISCHARGE = 12.00 HRS BETA = 1.0000 RAINFALL EROSITIVITY FACTOR = 13.39 El UNIT PEAK CONCENTRATION = 64243.37 MG/L PEAK SETTLEABLE CONCENTRATION = 18.24 ML/L PEAK SETTLEABLE CONCENTRATION = 25352.72 MG/L TOTAL SEDIMENT YIELD = 24.3970 TONS REPRESENTATIVE PARTICLE SIZE = 0.0060 MM TIME OF PEAK CONCENTRATION = 12.00 HRS PERIOD OF SIGNIFICANT CONCENTRATION = 12.80 HRS VOLUME WEIGHTED AVERAGE SETTLEABLE CONCENTRATION DURING PERIOD OF SIGNIFICANT CONCENIRATION = 10.04 ML/L VOLUME WEIGHTED AVERAGE SETTLEABLE CONCENTRATION DURING PEAK 24 HOUR PERIOD = 10.04 ML/L ARITHMETIC AVERAGE SETTLEABLE CONCENTRATION DURING PERIOD OF SIGNIFICANT CONCENTRATION = 0.00 ML/L ARITHMETIC AVERAGE SETTLEABLE CONCENTRATION DURING PEAK 24 HOUR PERIOD = 4.113 ML/L