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City of Orono <br />Surface Water Management Plan February 2019 38 <br />be coordinated with Section 5.3. <br />Prioritization:High <br />Estimated Cost: $56,320.00 <br />Project Partner(s): MCWD, Private Landowners <br />Funding Source(s): City, MCWD, Grant funding <br />Timeframe: Unknown <br />CB-4. Caroline Avenue <br />Runoff draining down the street in the neighborhood of 2691 Caroline Avenue <br />currently drains through a couple of inlets to a 12” pipe to Lake Minnetonka without <br />any treatment. Due to the lack of inlet and conveyance capacity, flooding is observed <br />during larger rain events. In order to provide water quality improvement and limit <br />flood potential, a sump manhole with flow baffle, new inlets, and storm sewer <br />improvements should be considered for this location. The retrofit sump manhole <br />would provide stormwater runoff treatment from a previously untreated area of Orono, <br />improving the quality of runoff reaching Lake Minnetonka, and ultimately Minnehaha <br />Creek. In addition, flooding potential would be minimized due to increased conveyance <br />capacity. <br />Prioritization:Medium <br />Estimated Cost: Unknown <br />Project Partner(s): MCWD <br />Funding Source(s): City, MCWD, Grant funding <br />Timeframe: Unknown <br />CB-5. Carman Street <br />Runoff draining down the street in the neighborhood of 2440 Carman Street currently <br />drains through three inlets to a 12” pipe to Lake Minnetonka without any treatment. <br />Due to the lack of inlet and conveyance capacity, flooding is observed during larger <br />rain events. In order to provide water quality improvement and limit flood potential, a <br />sump manhole with flow baffle, new inlets, and storm sewer improvements should be <br />considered for this location. The retrofit sump manhole would provide stormwater <br />runoff treatment from a previously untreated area of Orono, improving the quality of <br />runoff reaching Lake Minnetonka, and ultimately Minnehaha Creek. In addition, <br />flooding potential would be minimized due to increased conveyance capacity. <br />Prioritization:Medium <br />Estimated Cost: Unknown <br />Project Partner(s): MCWD <br />Funding Source(s): City, MCWD, Grant funding <br />Timeframe: Unknown <br />Crystal Bay (CY) Subwatershed Improvements <br />Currently, no localized stormwater management improvement projects have been <br />identified for the Crystal Bay (CY) subwatershed. Should any improvement sites be <br />identified in the future, this plan should be updated to include proposed sites. <br />Forest Lake (FL) Subwatershed Improvements <br />Currently, no localized stormwater management improvement projects have been <br />identified for the Forest Lake (FL) subwatershed. Should any improvement sites be <br />identified in the future, this plan should be updated to include proposed sites.