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2007-11-28 CC Packet
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2007-11-28 CC Packet
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<br />6. Water Resources. A wetland determination study was completed for the redevelopment area. One <br />wetland was found to be present near the eastern boundary of the project area, generally south of the <br />Sorel Street alignment. The actual road does not extend to the wetland area. Current plans for the <br />redevelopment project show a stormwater treatment pond in the location of the wetland. The <br />developer will need to work with the Rice Creek Watershed District to determine if this use of the <br />wetland is acceptable. If not, the developer will be required to find a new location for the storm pond <br />or design a two-cell treatment system where stormwater receives primary treatment in the first cell and <br />then discharges to the wetland for secondary treatment. The wetland will be delineated in the future. <br />Any impacts to the wetland will be subject to the Wetland Conservation Act Replacement requirement <br />of 2: 1 mitigation. <br /> <br />While no direct impacts as listed above are proposed, there are public waters adjacent to or partially <br />within the site which warrant discussion. Centerville Lake (2-6P) is a 455-acre lake located on the west <br />side of the project area. Clearwater Creek (aka AnokalWashington County Judicial Ditch 3) flows from <br />the east toward the project area and then turns north and crosses through the northeast corner of the <br />project area. The creek is planned to be realigned in this section starting in 2007 as part of the CSAH <br />14 reconstruction project by Anoka County. The CSAH 14 project and associated creek realignment <br />was not initiated by the proposed redevelopment. Direct impacts to Centerville Lake or Clearwater <br />Creek are not proposed by the downtown redevelopment project. <br /> <br />7. Water Use. The project will require connection to a public water supply and installation of new 12-inch <br />water main along Main Street and individual water connections. The city's water supply, storage and <br />distribution system has been designed to accommodate projected growth within the City as outlined in <br />the Comprehensive Plan. As the City develops and redevelops, additional water supply wells will be <br />necessary. <br /> <br />Due to the shallow depth of groundwater in some areas, dewatering may be necessary in some areas <br />during construction. A temporary water appropriations permit will be obtained from the DNR if volumes <br />to be dewatered are such that a permit is required. <br /> <br />A search through the records of the County Well Index (CWI) indicated that there are 25 known wells <br />located within the project area. All of these wells are domestic use (residential) wells. None of the <br />identified wells appear to pump large enough quantities of water as to require a DNR appropriations <br />permit. The majority of the wells are completed in the drift aquifer and are less than 100 feet in depth. <br />Three bedrock-aquifer wells are completed at depths ranging from 92-106 feet. <br /> <br />Centerville <br />Downtown Redevelopment <br /> <br />Page 20 <br />
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