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Table 6.3 (continued) - Surface Water Management Issues and Possible Corrective Actions <br />Issue <br />Subdistrict <br />Surface water <br />Issue <br />Issue <br />Identified <br />PossibleDrainage <br />• Coordinate a stabilization project with <br />RCWD to resolve erosion issues <br />Channel erosion issues <br />• Modify outlet configuration <br />in Judicial Ditch 1 <br />• Evaluate need for additional flood storage <br />9 <br />GF-6 <br />between Lois Drive and <br />RCWD, City <br />• Consult with RCWD to ensure any <br />Hillview Road <br />modifications to the public ditch system <br />follow RCWD process and meet statutory <br />requirements <br />Safety concerns at the <br />*Construct an inlet structure configuration to <br />trunk storm sewer inlet <br />reduce flow velocities and reduce the <br />10 <br />GF-6 <br />at Quincy Street and <br />City <br />potential for inlet blockage to address the <br />Hillview Road during <br />safety concerns <br />high flows. <br />Existing wetland has no <br />• Install a wetland outlet when Silver Lake <br />11 <br />EW-2 <br />outlet, causing water <br />City <br />Road is reconstructed. <br />level fluctuations <br />Existing wetland has no <br />• Install a wetland outlet when Silver Lake <br />12 <br />EW-3 <br />outlet causing water <br />City <br />Road is reconstructed. <br />level fluctuations <br />Silver View Pond slope <br />• Regrade and restore slopes with native <br />13 <br />EW-4 <br />stabilization issues <br />city <br />vegetation to stabilize pond slopes <br />• Implement weed management techniques <br />Silver View Pond — poor <br />• Dredge the pond to remove deposited <br />14 <br />EW-4 <br />water quality, excessive <br />Citysediment <br />weed/algae growth, loss <br />• Provide in -pond water quality treatment <br />of habitat value <br />such as iron -enhanced bench <br />.Implement upstream water quality BMPs <br />Existing flooding issues <br />• Modify the outlet to reduce the potential for <br />15 <br />EW-5 <br />adjacent to the existing <br />City <br />inlet blockage <br />basin in Subdistrict EW-5 <br />*Provide additional storage to reduce <br />flooding potential <br />Wetland water levels are <br />creating backyard <br />ponding and wet <br />• Lower wetland EOF <br />16 <br />SC-2 <br />backyards near 5177 <br />city <br />*Add pond outlet skimmer structure and EOF <br />Longview Drive (see <br />Section 4.10) <br />City of Mounds View 35 <br />Local Surface Water Management Plan Stantec Project No. 193804166 <br />(5 5tantec <br />