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Forward Landfill <br />Compost Pond <br />HYDROLOGY <br />07/17/2014 <br />Stage-Storage Data Table <br />Description Elevation Area Depth Avg. Area Volume Volume <br />Feet Sq-Ft CU-FT AC-FT <br />Bottom 22 2,892.46 N/A N/A 0 0.0 <br />Process Water 23 11,521.07 1 7,207 7,207 0.2 <br />Process Water 24 25,962.75 1 18,742 18,742 0.6 <br />Process Water 25 44,699.40 1 35,331 35,331 1.4 <br />Process Water 26 59,079.09 1 51,889 51,889 2.6 <br />Process Water 27 62,982.98 1 61,031 61,031 4.0 <br />Process Water 28 65,456.35 1 64,220 64,220 5.5 <br />Process Water 29 67,960.04 1 66,708 66,708 7.0 <br />Process Water 30 70,494.44 1 69,227 69,227 8.6 <br />Process Water 31 73,057.17 1 71,776 71,776 10.2 <br />Freeboard 32 75,651.48 1 74,354 74,354 11.9 <br />Freeboard 33 78,277.37 1 76,964 76,964 13.7 <br />Freeboard 34 80,939.06 1 79,608 79,608 15.5 <br />Top 35 83,639.58 1 82,289 82,289 17.4 <br />Storage and Freeboard <br />Required Volume Notes <br />Sediment Volume 0 Ac-Ft (1) <br />Process Water Storage 10.1 Ac-Ft (2) <br />Flood (25YR-24HR) Storage 5.4 Ac-Ft <br />Total Required Storage 10.1 Ac-Ft (3) <br />Provided 17.4 Ac-Ft (4) <br />Freeboard Volume 7.3 Ac-Ft (5) <br />Freeboard Depth 4.2 (6) <br />Required Freeboard Depth 2.2 Feet (7) <br /> Direct Precipitation 2.83 Inches (8) <br /> Minimum Freeboard 2.0 Feet <br />Reserve Freeboard 2.0 (9) <br />Hydrology Compost Pond Page 2 of 6