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Stantec CITY OF CENTERVILLE -2018 LOCAL WATER PLAN PHYSICAL ENVIRONMENT lakes, etc. Recent development in the City has incorporated the natural drainage patterns of the land whenever possible. However, since the area is very flat, detention ponds were created in many developments to control runoff. 3.9 UNIQUE AREAS The Rice Creek Chain of Lakes Park Reserve is in the northwest corner of the City. Accounting for approximately 10% of the area of the City, 149 of the 5,500 acres of the park are located within Centerville city limits. The park has many recreational facilities including picnic areas, boat and canoe launches, fishing piers, campgrounds, a nature center, a heritage lab, a prairie restoration project, cross country ski trails, a swimming beach, a playground, and a golf course. The Metropolitan Council's classification as a regional park requires that 80% of the park remain in its natural state. 3.10 ZONING AND FLOODPLAIN MANAGEMENT As part of the comprehensive planning process, the City adopted a Future Land Use Plan (Figure 7). By law, the City is required to change zoning to match the 2040 Future Land Use Plan within one year of the adoption of the Comprehensive Plan. This will take place after the Plan has been reviewed and adopted in 2018.The City has adopted the 2030 Comprehensive Plan and updated their zoning map (Figure 8) to match future land uses. This is not to say that the Official Zoning Map reflects the existing land use. The Existing Land Use Map is shown in Figure 6. Figures 6 and 7 are taken directly from the Centerville 2040 Comprehensive Plan; Figure 8 is the adopted Official Zoning Map. There is no current plan to further alter zoning within the City. The zoning ordinance now classifies land use into ten categories: Rural Residential (R-1), High-Density Single-Family Residential (R-2A), Single-Family Residential (R- 2), Single-Family Manufactured Housing (R-4), Single Family Residential-Estate (R-5), Commercial (B-1), Industrial Park (1-1), Public/Institutional (P-1), Mixed Use (M-1), Mixed Use Neighborhood District (M-2). Higher density uses, such as business and industrial areas, tend to have larger impervious surface coverage, impacting stormwater management. New planned unit developments are subject to water protection regulations including the protection of existing waterbodies and wetlands and dedicating at least 20% of project area to open space (City Code 156.200). The zoning ordinance also regulates shoreland activities; the governance of these zones is described in more detail in the following section (3.11 Shoreland and Buffer Zones). Figure 9 delineates the approximate floodplain and floodway boundaries within the City. The City initiated the Floodplain Reduction Project along Clearwater Creek in 1989. This project involved the investment of significant resources to reduce flooding potential along Clearwater Creek. Following completion of the project, a Clearwater Creek flood study was conducted and a Letter of Map Revision (LOMR) was subsequently approved by the Federal Emergency Management Agency (FEMA) in October 1997. As a result, the Flood Insurance Study (FIS), Flood Insurance Rate Map (FIRM), and the Flood Boundary and Floodway Map (FBFM) for the City were revised. These references should be consulted for more complete and detailed 3.10 48