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 ZINC-POQUAL/ZINC-SOQUAL/ZNTOTL/ZINC-TROQAL Land Use Perv. Imperv. Eff.Imp. Combined Area Total % GrTot. lbs/acre lbs/acre lbs/acre acres tons POQUAL SOQUAL ATLANTA,PI:PREC=1.0722 Commercial 0.022 0.026 64% 0.024 6,585 161 8.4% Industrial/Instituti 0.022 0.026 33% 0.023 587 14 0.7% Transportation and U 0.022 0.028 64% 0.026 458 12 0.6% Extractive & Transit 0.030 0.026 20% 0.029 956 28 1.5% Low Density Resident 0.019 0.010 4% 0.019 1,043 20 1.0% Medium Density Resid 0.020 0.010 8% 0.020 18,837 370 19.4% High Density Residen 0.021 0.011 24% 0.019 1,766 33 1.7% Agricultural Lands 0.020 0.000 0% 0.020 287 6 0.3% Forest/Open Space 0.020 0.000 0% 0.020 4,666 95 5.0% Water/Wetland 0.022 0.000 0% 0.022 1,143 25 1.3% Seg Wtd Aver/Tot 0.021 0.021 19% 0.021 36,328 763 40.0% 09895002,PI:PREC=1.0774 Commercial 0.027 0.027 64% 0.027 1,630 45 2.4% Industrial/Instituti 0.027 0.027 33% 0.027 360 10 0.5% Transportation and U 0.027 0.030 64% 0.029 205 6 0.3% Extractive & Transit 0.036 0.027 20% 0.034 825 28 1.5% Low Density Resident 0.024 0.011 4% 0.023 1,200 28 1.5% Medium Density Resid 0.025 0.011 8% 0.024 10,498 253 13.3% High Density Residen 0.027 0.012 23% 0.023 353 8 0.4% Agricultural Lands 0.024 0.000 0% 0.024 549 13 0.7% Forest/Open Space 0.025 0.000 0% 0.025 3,242 80 4.2% Water/Wetland 0.027 0.000 0% 0.027 404 11 0.6% Seg Wtd Aver/Tot 0.026 0.021 13% 0.025 19,266 482 25.3% 09158502,PI:PREC=0.9605 Commercial 0.022 0.020 64% 0.021 2,325 48 2.5% Industrial/Instituti 0.022 0.020 33% 0.021 331 7 0.4% Transportation and U 0.022 0.022 64% 0.022 355 8 0.4% Extractive & Transit 0.028 0.020 20% 0.027 1,288 34 1.8% Low Density Resident 0.020 0.008 4% 0.019 997 19 1.0% Medium Density Resid 0.021 0.008 8% 0.020 5,000 99 5.2% High Density Residen 0.022 0.008 23% 0.019 646 12 0.6% Agricultural Lands 0.021 0.000 0% 0.021 630 13 0.7% Forest/Open Space 0.021 0.000 0% 0.021 3,626 78 4.1% Water/Wetland 0.023 0.000 0% 0.023 313 7 0.4% Seg Wtd Aver/Tot 0.022 0.017 17% 0.021 15,511 326 17.1% 09257802,PI:PREC=0.8814 Commercial 0.023 0.025 64% 0.024 1,167 28 1.5% Industrial/Instituti 0.023 0.025 33% 0.024 242 6 0.3% Transportation and U 0.023 0.028 64% 0.026 89 2 0.1% Extractive & Transit 0.032 0.025 20% 0.031 467 14 0.7% Low Density Resident 0.021 0.010 4% 0.020 1,422 29 1.5% Medium Density Resid 0.021 0.010 8% 0.020 8,694 178 9.3% High Density Residen 0.022 0.011 25% 0.019 128 2 0.1% Agricultural Lands 0.021 0.000 0% 0.021 254 5 0.3% Forest/Open Space 0.021 0.000 0% 0.021 3,219 67 3.5% Water/Wetland 0.022 0.000 0% 0.022 215 5 0.3% Seg Wtd Aver/Tot 0.021 0.019 11% 0.021 15,897 337 17.7% Totals for all Non-Point Source Segments Commercial 0.023 0.025 64% 0.024 11,707 282 14.8% Industrial/Instituti 0.023 0.025 33% 0.024 1,520 36 1.9% Transportation and U 0.023 0.026 64% 0.025 1,107 28 1.5% Extractive & Transit 0.031 0.024 20% 0.030 3,536 105 5.5% Low Density Resident 0.021 0.010 4% 0.021 4,662 96 5.0% Medium Density Resid 0.022 0.010 8% 0.021 43,029 899 47.1% High Density Residen 0.022 0.010 24% 0.019 2,893 56 2.9% Agricultural Lands 0.022 0% 0.022 1,720 38 2.0% Forest/Open Space 0.022 0% 0.022 14,753 319 16.7% Water/Wetland 0.023 0% 0.023 2,075 48 2.5% Non-Pnt Wtd Aver/Tot 0.022 0.020 16% 0.022 87,002 1,906 100.0% Point Sources ZNTOTL 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 ZINC-TROQAL Yellow R-Suwanee Ck 145 7.6% Sweetwater-U Yellow 124 6.5% Beaver Ruin Ck 162 8.5% Yellow R-Pew Ck 318 16.7% Sweetwater-L Yellow 434 22.8% Yellow R-Garner Ck 1,066 55.9% Grand Total 1,907