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2002 Natural Resources Management
Roseville
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2002 Natural Resources Management
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7/13/2012 10:46:09 AM
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7/13/2012 10:41:05 AM
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North Cell. The surface area of the north cell is approximately 3.6 acres. Watershed area <br />draining to the north cell is around 72 acres, comprising 38% of the total watershed area for <br />Langton. The watershed has mostly single - family residential, with significant woodland pockets <br />interspersed throughout the watershed. This is the shallowest part of Langton Lake with a mean <br />depth of about 1.5 feet, and is dominated by emergent vegetation thereby limiting its use for <br />recreational purposes. All of the stormwater drainage received by the north cell is untreated, <br />causing it to function as a treatment cell for the middle cell to which it drains. <br />Middle Cell. Surface area of the middle cell is approximately 10 acres. Less than 32 acres or <br />17% of the Langton Lake watershed drains to the middle cell. Portions of the watershed from the <br />moderate density residential to the east, and a small industrial area to the west drain direct <br />stormwater runoff to this cell without prior treatment. The middle cell has benefited from the <br />relatively small size of its watershed and from receiving pre- treated water from both the north <br />and south cells. The lake outlet is a 12 -inch reinforced concrete pipe and located on the west <br />shore of this cell just north of the walking trail. <br />South Cell. The south cell has a surface area of 9.5 acres and a watershed area of 84.5 acres, 44 <br />% of the total drainage area to Langton Lake. It receives direct runoff from 17 acres or 9 % of <br />the total watershed area. Most of the direct runoff to this cell comes from residential and wooded <br />areas. The large commercial /industrial park to the south and west of the south cell drains first to <br />the half -acre pond located to the southeast of the cell. An open channel then brings treated water <br />from the industrial pond to the south cell. By catching raw stormwater from the <br />industrial /commercial area and holding it for a short period, before it enters the south cell, the <br />industrial pond provided significant water quality protection to Langton Lake on the whole. <br />Langton is a popular spot for both active and passive recreation. It has a fishing pier in the south <br />cell and short walking trails. Langton is managed by the Minnesota Department of Natural <br />Resources (MN DNR) as a kids fishing pond. A large number of Walleye and Tiger Muskie fry <br />were introduced into the lake in 1995 and 1996; however, in the last four years the predominant <br />choice for stocking has been adult Bluegill and /or Black Crappie. <br />City of Roseville 41 <br />Parks Natural Resource Management <br />
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