Watershed Summary Report for Scenario [yellow] Run Made 2002-07-03 13:49 Average Annual Rates and Totals UCI Created by WinHSPF for yellow Initial Water Quality Calibration Time Span: 7 yr from 10/01/92 to 10/01/99 LEAD-POQUAL/LEAD-SOQUAL/PBTOTL/LEAD-TROQAL Land Use Perv. Imperv. Eff.Imp. Combined Area Total % GrTot. lbs/acre lbs/acre lbs/acre acres lbs POQUAL SOQUAL ATLANTA,PI:PREC=1.0722 Commercial 0.033 0.051 64% 0.045 6,585 295 12.0% Industrial/Instituti 0.033 0.051 33% 0.039 587 23 0.9% Transportation and U 0.033 0.057 64% 0.048 458 22 0.9% Extractive & Transit 0.075 0.051 20% 0.071 956 68 2.8% Low Density Resident 0.022 0.026 4% 0.022 1,043 23 0.9% Medium Density Resid 0.026 0.026 8% 0.026 18,837 497 20.2% High Density Residen 0.031 0.027 24% 0.030 1,766 53 2.1% Agricultural Lands 0.004 0.000 0% 0.004 287 1 0.0% Forest/Open Space 0.004 0.000 0% 0.004 4,666 19 0.8% Water/Wetland 0.004 0.000 0% 0.004 1,143 5 0.2% Seg Wtd Aver/Tot 0.024 0.044 19% 0.028 36,328 1,006 40.8% 09895002,PI:PREC=1.0774 Commercial 0.048 0.055 64% 0.052 1,630 86 3.5% Industrial/Instituti 0.049 0.055 33% 0.051 360 18 0.7% Transportation and U 0.049 0.060 64% 0.056 205 12 0.5% Extractive & Transit 0.095 0.055 20% 0.087 825 72 2.9% Low Density Resident 0.033 0.027 4% 0.032 1,200 39 1.6% Medium Density Resid 0.040 0.027 8% 0.039 10,498 408 16.5% High Density Residen 0.046 0.029 23% 0.042 353 15 0.6% Agricultural Lands 0.005 0.000 0% 0.005 549 3 0.1% Forest/Open Space 0.005 0.000 0% 0.005 3,242 16 0.6% Water/Wetland 0.005 0.000 0% 0.005 404 2 0.1% Seg Wtd Aver/Tot 0.033 0.044 13% 0.035 19,266 671 27.2% 09158502,PI:PREC=0.9605 Commercial 0.030 0.039 64% 0.036 2,325 84 3.4% Industrial/Instituti 0.030 0.039 33% 0.033 331 11 0.4% Transportation and U 0.030 0.043 64% 0.039 355 14 0.6% Extractive & Transit 0.064 0.039 20% 0.059 1,288 76 3.1% Low Density Resident 0.020 0.020 4% 0.020 997 20 0.8% Medium Density Resid 0.024 0.020 8% 0.024 5,000 119 4.8% High Density Residen 0.028 0.021 23% 0.027 646 17 0.7% Agricultural Lands 0.004 0.000 0% 0.004 630 3 0.1% Forest/Open Space 0.004 0.000 0% 0.004 3,626 16 0.6% Water/Wetland 0.005 0.000 0% 0.005 313 1 0.0% Seg Wtd Aver/Tot 0.021 0.035 17% 0.023 15,511 361 14.6% 09257802,PI:PREC=0.8814 Commercial 0.036 0.051 64% 0.045 1,167 53 2.1% Industrial/Instituti 0.042 0.051 33% 0.045 242 11 0.4% Transportation and U 0.042 0.056 64% 0.051 89 5 0.2% Extractive & Transit 0.085 0.051 20% 0.078 467 36 1.5% Low Density Resident 0.027 0.025 4% 0.027 1,422 38 1.5% Medium Density Resid 0.031 0.025 8% 0.031 8,694 265 10.7% High Density Residen 0.034 0.027 25% 0.033 128 4 0.2% Agricultural Lands 0.004 0.000 0% 0.004 254 1 0.0% Forest/Open Space 0.004 0.000 0% 0.004 3,219 14 0.6% Water/Wetland 0.004 0.000 0% 0.004 215 1 0.0% Seg Wtd Aver/Tot 0.025 0.040 11% 0.027 15,897 429 17.4% Totals for all Non-Point Source Segments Commercial 0.035 0.049 64% 0.044 11,707 518 21.0% Industrial/Instituti 0.038 0.050 33% 0.042 1,520 63 2.6% Transportation and U 0.036 0.053 64% 0.047 1,107 52 2.1% Extractive & Transit 0.077 0.048 20% 0.071 3,536 252 10.2% Low Density Resident 0.026 0.025 4% 0.026 4,662 120 4.9% Medium Density Resid 0.030 0.025 8% 0.030 43,029 1,290 52.3% High Density Residen 0.032 0.026 24% 0.031 2,893 89 3.6% Agricultural Lands 0.005 0% 0.005 1,720 8 0.3% Forest/Open Space 0.004 0% 0.004 14,753 64 2.6% Water/Wetland 0.005 0% 0.005 2,075 10 0.4% Non-Pnt Wtd Aver/Tot 0.026 0.042 16% 0.028 87,002 2,466 100.0% Point Sources PBTOTL Gwinnett Beaver Ruin / Sweetwa 0 0.0% Gwinnett Jackson Creek WRF 0 0.0% Gwinnett Yellow River WRF 0 0.0% Septic Failure 0 0.0% Point Wtd Aver/Tot 0 0.0% Reaches LEAD-TROQAL Yellow R-Suwanee Ck 400 16.2% Sweetwater-U Yellow 327 13.3% Beaver Ruin Ck 422 17.1% Yellow R-Pew Ck 974 39.5% Sweetwater-L Yellow 1,095 44.4% Yellow R-Garner Ck 2,189 88.8% Grand Total 2,466