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Home My WebLink About710006_SSE Calculation_20201103 Sludge Survey Evaluation Form Today's Date11/3/2020Today's Date Facility # 710006710006 Owner: Greenwood LivestockGreenwood Livestock Lagoon ID13 Sludge Survey Received:9/23/20209/23/2020 Sludge Survey Performed:10/2/201910/2/2019 Sludge Depth (Row O): (ft) 1.82.8 Existing Treatment Depth (Row P): (ft) 7.306.00 Start Date:01/01/9301/01/93 Facility age at time of survey:(yr)2727 Average Sludge Accumulation (ft/yr):0.070.10 55 Requested Extension: (yr) Requested Due Date20242024 Sludge Accumulation during extension period: (ft)0.340.52 6.965.48 Treatment Depth Available after Extension: (ft) Sludge level OK?YES Ratio Estimates Based on DepthEXISTINGEXEMPTIONEXISTING Ratio of Sludge layer to total trmt depth 0.200.230.32 Ratio of Sludge depth OK?YES EXISTINGEXEMPTIONEXISTING Average Sludge layer thickness (T)1.82.142.8 Depth of the lagoon from top of bank to bottom soil surface (D) 10.110.110.1 Slope=Horizontal/vertical side slope (S) 333 Length at the top of inside bank (L) 375375375 Width at the top inside slope (W) 175175175 Thickness of existing liquid treatment zone (Y) 7.306.966.00 Lm Length at midpoint of sludge layer ()=L-2S(D-(T/2)) 319.80320.81322.80 Wm Width at midpoint of sludge layer ()=W-2S(D-(T/2)) 119.80120.81122.80 Vs Volume of sludge ()=Lm*Wm*T 68961.6782792.89110991.55 Vsg Volume in gallons ()=Vs*7.481 515902.27619290.82830327.80 Z Thickness of total treatment zone ()=T+Y 9.109.108.80 Lz Length at midpoint of total treatment zone ()=L-2(S)(D-(Z/2)) 341.70341.70340.80 Wz Width at midpoint of total treatment zone ()=W-2(S)(D-(Z/2)) 141.70141.70140.80 Vz Volume of total treatment zone ()=Lz*Wz*Z 440611.90440611.90422264.83 Ratio(R) of sludge layer volume to total trmt volume0.1570.1880.263 Sludge Volume Ratio OK?YES Maximum extension until end of permit cycle Next survey to be done: (calendar yr) 12/31/2025 Notification letter mailed: 11/3/2020 11/3/2020 Greenwood Livestock YES EXEMPTION 0.38 YES EXEMPTION 3.32 10.1 3 375 175 5.48 324.37 124.37 134055.96 1002738.60 8.80 340.80 140.80 422264.83 0.317 YES 12/31/2025 11/3/2020