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I 800K I ill PAGE 17 The requirement that lots and/or homesites in residential subdivisions on agriculturally designated land be clustered and be approved as Agricultural PDs has been in the comprehensive plan since its adoption in 1990. The first Agricultural PD was approved in 1994, and there have been one or two Agricultural PDs approved each year since. In all, ten have been approved, and six have been built. Attachment 1 shows the location of both the built and the unbuilt -but -approved Agricultural PDs. The six that have been built contain a total of approximately 177 acres and 33 lots. Only one of the built Agricultural PDs, located adjacent to the urban service area boundary, has connected to the county water system. None has connected to the county wastewater system. All ten of these project sites are located within one mile of the urban service area boundary, five in the south part of the county and five in the central part of the county. These projects, all within the AG -1, Agricultural -1 (up to 1 unit/5 acres) land use designation, range in size from 15 to 70 acres and from 3 to 9 lots. Although the county's clustering requirement allows several types of clustering, each of the approved Agricultural PD projects has been approved with the same clustering method: five acre lots that contain one acre homesites, with the homesites "clustered" along an internal road. Other clustering methods could include smaller lots with a large open space area. That open space area could be owned by the developer, a property owners association, or an individual (perhaps a fanner or a rancher). Indian River County is not alone in requiring residential projects in agricultural areas to cluster. In fact, most other Florida counties, including St. Johns, Charlotte, Madison, Jefferson, Volusia, St. Lucie, Palm Beach, Hillsborough, and Orange, have comprehensive plan provisions which encourage or require clustering of residential development in agricultural areas. Although these provisions vary widely, Indian River County, in many respects, is typical among Florida counties in terms ofwhen clustering is required, how much open space is required, overall density allowed, and the provision of public services. Some counties require clustering only of larger developments over a certain threshold in size (e.g., 20 units or 100 acres). Others offer clustering incentives such as density bonuses or streamlined permitting. In Palm Beach County, clustering is required in order to achieve maximum density in certain agricultural areas. County Property Appraiser data from November 1998 indicate that many "ranchette" type lots already exist outside the urban service area. A computer search at that time indicated that 476 parcels (904.26 acres) of less than 200,000 square feet (4.59 acres) existed in the agriculturally designated areas east of I-95 and those agriculturally designated areas around the City of Fellsmere. The results of that search are shown in Table 1 below. Of the 476 parcels, 257 (439 acres) were being used for residential purposes (231 contained a single-family house). Another 183 parcels (404 acres) were available for residential development (e.g., vacant land, pasture, citrus groves, and similar uses). Table 1! AG -1 Designated Lots That Are 4.59 Acres Or Less INevemher 19981 USE # OF PARCELS # OF ACRES Single -Family 231 405.48 Mobile home 19 19.20 Other residential 7 14.36 Vacant land, pasture, citrus groves, & similar uses 183 40426 snace uses 36 60.916 TOTAL 476 90426 OCTO0 BER 14, 1999 , -16-