Laserfiche WebLink
Table 3-4. Clearwater Creek Model Outflow Summary [cfs] <br />CWC NODE <br />2 -YR 24 -HR <br />10 -YR 24 -HR <br />100 -YR 24 -HR <br />100 -YR 10 -DAY <br />J3MT_001 <br />2.7 <br />3.8 <br />5.0 <br />4.3 <br />RCWD 2014 <br />201.8 <br />337.8 <br />563.9 <br />446.0 <br />Revised Existing <br />217.3 <br />350.0 <br />566.0 <br />443.6 <br />Difference [cfs] <br />15.5 <br />12.2 <br />2.2 <br />-2.4 <br />Finally, the CWC model includes the existing flows entering Lino Lakes from Hugo under Elmcrest <br />Avenue. Table 3-5 summarizes the existing flows entering the CSMP study area. <br />Table 3-5. City of Hugo Existing Outflows [cfs] <br />CWC LINK <br />2 -YR 24 -HR <br />10 -YR 24 -HR <br />100 -YR 24 -HR <br />100 -YR 10 -DAY <br />CA55MTL_013 <br />2.7 <br />3.8 <br />5.0 <br />4.3 <br />CA55MTL_012 <br />0.3 <br />1.2 <br />3.6 <br />1.6 <br />CA55MTL_011 <br />1.8 <br />6.8 <br />21.5 <br />6.4 <br />CA55MTL_014 <br />5.2 <br />9.9 <br />16.4 <br />12.5 <br />CA55MTL_014B <br />0.0 <br />0.8 <br />5.9 <br />2.8 <br />TOTAL HUGO <br />10.0 <br />22.5 <br />52.4 <br />27.6 <br />3.4 Hardwood Creek <br />The HWC model was updated to split existing catchment SMT_002 into SMT_002 and SMT 002.5. The <br />soils data for subcatchment SMT_004A was updated to reflect the subcatchment hydrologic input data. <br />The HWC model was unstable when first run, the initial water surface elevation at the outlet node OUT <br />(El. 885.67) was higher than the next two upstream nodes' starting water surface elevations, creating a <br />backflow from Peltier Lake into Hardwood Creek. The lower HWC model nodes were adjusted, per Table <br />3-6, to prevent water from backing up into the system at the start of the model runs. <br />Table 3-6. HWC Initial Water Surface Elevation Corrections <br />INFOSWMM RCWD 2014 <br />NODE INVERT ELEV <br />RCWD 2014 REVISED INVERT <br />INITIAL WSEL ELEV <br />ELEV. <br />REVISED INITIAL <br />WSEL ELEV. <br />OUT 860 <br />885.67 882 <br />885.67 <br />JMT_001 <br />882.44 <br />885.19 <br />882.44 <br />885.67 <br />JMT_002 <br />881.66 <br />885.18 <br />881.66 885.67 <br />JMT_003 883.1 <br />883.96 883.1 885.96 <br />Comprehensive Stormwater Management Plan <br />Northeast Lino Lakes Drainage Improvement Project <br />WSB Project No. 2929-79 <br />Page 12 <br />