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drawn environmentally sensitive designation was not as significant <br />as now. <br />During preparation of the county's current comprehensive plan, more <br />time and effort were spent delineating the boundaries of <br />environmentally sensitive lands. As a result, the 43 acre property <br />was given a split land use designation, with the west dike of the <br />property's mosquito impoundment being the boundary between wetlands <br />and uplands. Consequently, the subject property, west of the dike, <br />was designated M-2, Medium -Density Residential -2 (up to 10 <br />units/acre), while the eastern portion of the 43 acre tract was <br />designated as conservation. <br />- Zoning History <br />Currently, zoning in the county is based on an adopted <br />comprehensive plan. That, however, has not always been the case. <br />Although zoning was established in the county in 1957, the county's <br />first comprehensive plan was not adopted until 1976. Not until <br />1985 was zoning made to conform to the county's plan. <br />Prior to 1985, the entire 43 acre parcel was zoned R-lA, Single - <br />Family. That zoning district required that all conforming lots be <br />at least 10,000 square feet in size. The maximum density for the <br />R-lA district, therefore, was approximately 4 units/acre. Until <br />1978, the Vista Gardens property to the south of the subject site <br />was also zoned R-lA. At that time, the Vista property was, at the <br />request of the owner, rezoned to R -2C, a district allowing <br />multiple -family development up to 12 units/acre. <br />In 1985, a countywide rezoning effort was undertaken to make zoning <br />in the county correspond to the 1982 comprehensive plan's land use <br />designations. Because the 1982 plan designated the eastern portion <br />of the 43 acre parcel as environmentally sensitive, and because the <br />county's policy was to draw zoning district lines consistent with <br />property boundaries whenever possible, the entire parcel was down - <br />zoned from R-lA to RS -1. The RS -1 zoning district allows <br />residential development at a density of up to 1 unit/acre. That 1 <br />unit/acre density was consistent with the then applicable 1 <br />unit/acre density of the environmentally sensitive land use <br />designation. <br />In 1991, after adoption of the current comprehensive plan, the <br />county adopted Land Development Regulations (LDRs) which created <br />the Conservation zoning districts. Those conservation districts <br />apply to environmentally important areas. Although not depicted on <br />the county's zoning atlas, these districts are established when <br />development is proposed for a site designated as conservation on <br />the comprehensive plan. The boundaries of the conservation zoning <br />district are then based on a site specific environmental survey of <br />the property. <br />In this case, aerial photographs and other information indicate <br />that the impoundment dike is the western boundary of both the <br />wetlands and the conservation land use designation. Therefore, <br />land east of the dike would be deemed to be zoned Con -2, <br />Conservation District (up to 1 unit/40 acres), while land west of <br />the dike, the subject property, would be eligible to be zoned <br />consistent with the M-2 (up to 10 units per acre) land use <br />designation established by the comprehensive plan. <br />This information is important because it indicates that the subject <br />property is currently zoned RS -1 because of a past broad brush <br />approach to designating environmentally sensitive land. Since the <br />underlying comprehensive plan designation is M-2, the subject <br />FEBRUARY 7, 1995 61 <br />BOOK�� 4. , <br />