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The Lower Rum River Watershed, in south-central Anoka County, is on the northern edge of the <br />metropolitan area. Land use within the watershed (2016 data provided by the Metropolitan Council) is <br />summarized in Table 3-4 and Figure 2-3. <br />The development that has occurred within the LRRWMO boundary has generally consisted of from <br />agricultural to rural residential land use. Agricultural land use now occupies less than 10% of the <br />watershed, while single family residential land use occupies approximately 40% of the watershed. A <br />significant portion (about 33%) of the watershed remains undeveloped. <br />Continued development of open space for residential, commercial, and other uses is anticipated over the <br />next twenty years; additional information is available in the 2040 comprehensive plans for the cities of <br />Andover, Anoka, and Ramsey. Estimated 2040 land use available from the Metropolitan Council is <br />presented in Figure 2-4. The development of open space for residential or other land uses typically <br />increases the amount of impervious surfaces (i.e., surfaces through which water cannot infiltrate), <br />increasing the volume of stormwater runoff and associated pollutant loading. Thus, the continued <br />implementation of stormwater performance standards for development (see Appendix E) continue to be <br />an important means of mitigating future water quality and water quantity issues (see Section 5.3.2.1). <br />Table 3-4 Existing Land Use (2016) <br />111111111 <br />un <br />I . <br />00000000100000000000000000000000110000000000000100000000 <br />Agricultural or Farmstead <br />11111 <br />2,976 <br />0000000000000000000000000000000000000000000000000 <br />''""10000000000000000000000000000000000000000000000000000000000000000000000000000000000000''...g0000000000000000000000000100000000000000000000000000 <br />8.2% <br />Commercial or Retail <br />478 <br />1.3% <br />Golf Course <br />466 <br />1.3% <br />Industrial and Utility <br />1,006 <br />2.8% <br />Institutional <br />669 <br />1.8% <br />Mixed Use <br />168 <br />0.5% <br />Open Water <br />1,425 <br />3.9% <br />Park, Recreational, or Preserve <br />2,955 <br />8.1% <br />Residential, Single Family <br />13,582 <br />37.3% <br />Residential, Multifamily <br />183 <br />0.5% <br />Transportation (Highway, Rail) <br />389 <br />Undeveloped <br />12,019 <br />33.0% <br />Other <br />78 <br />0.2% <br />Total <br />36,394 <br />100.0% <br />Source: Check with Eddie <br />2-7 <br />