08-10-1992 Council Packet - Laserfiche WebLink

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'' fe':te - &: ifi-©■I' fr'.v' £■l!-i>^- te?,.p’:-y. ■--v te ' ■ ■.s;- p: ,- ^hmp- m.I'-' ►K: 3.ERVIOUS SURFACE COVERAGE Exiatlna Conditiona. The purpose Of the lot coverage inventory is to determine by zoning district, the areas of the City which contain lot coverage below and above the maximum allowed by the DNR shoreland standards. The City was broken down into its zoning districts and the net area of each district was calculated. Using aerial photographs superimposed on section maps, lot coverage was determined for each zoning district by calculating the footprint area of all structures, accessory structures, and driveways. This total provided the amount of impervious surface coverage per zoning district. Table 4 provides the total area and impervious surface covered in each zoning district. TABLE 4 SPRING PARK SHORELAND TOTAL AREA AND IMPERVIOUS SURFACE COVERAGE BY ZONING DISTRICT Zoning District Total Area Impervious Allowed Impervious Percent Covered R-1 2,938,100 477,600 734,525 16 R-2 346,800 49,450 86,700 14 R“3 1,227,000 522,625 306,750 42 P 314,300 65,950 78,575 21 C-1 1,626,766 1,398,636 406,691 86 C-2 387,200 320,000 96,800 82 C-3 85,000 79,000 21,250 93 M 783,666 656,100 195,916 • m As can be seen in Taible 4, the ounount of lot coverage within the R- 3 District exceeds the DNR maximum impervious surface standards, yet because the R*l cuid R-2 districts are developed below this standard, as a whole, residential development within Spring Park is developed below the DNR impervious surface stamdard of 25 percent. There is a surplus of 78,300 square feet in the Residential District which could be covered by impervious surface. Commercial and industrial zoned land has, however, exceeded the allowed lot coverage by 1,733,079 feet. This over coverage is due to the historic development of the City which includes extensive commercial and industrial development within the Shoreland District.