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rAPR m61993 P 900K S9 cubic yards of solid waste/year (1.25 % 2.37). To calculate the total cubic yards of solid waste for the most intense use allowed on the subject property under the proposed zoning district, staff utilized the following formula: Total number of WGU's R 1.25 B 2.37 (195 8 1.25 R 2.37 a 578 cubic yards/year). A review of the solid waste capacity for the active segment of the county landfill indicates the availability of more than 900,000 cubic yards. The active segment of the landfill has a 3 year capacity, and the landfill has expansion capacity beyond 2010. Based on staff analysis, it was determined that the county landfill can accommodate the additional solid waste. - Drainage All developments are reviewed for compliance with county stormwater regulations which require on-site retention, preservation of floodplain storage and minimum finished floor elevations. In addition, development proposals must meet the discharge requirements of the county Stormwater Management Ordinance. The subject property is located within the M-1 Drainage Basin and the Indian River Farms Water Control District (IRFWCD). Since the site is located within the IRFWCD, development on the property will be prohibited from discharging any runoff in excess of 2 inches in a 24 hour period, which is the approved IRFWCD discharge rate. In this case, the minimum floor elevation level of service standards do not apply, since the property does not lie within a floodplain. However, both the on-site retention and discharge standards do apply. With the most intense use of this site under the proposed zoning, the maximum area of impervious surface will be approximately 110,425 square feet, or 2.5 acres. The maximum runoff volume, based on that amount of impervious surface and the 25 year/24 hour design storm, and given the IRFWCD 2 inch discharge requirement, will be approximately 127,700 cubic feet. In order to maintain the county's adopted level of service, the applicant will be required to retain approximately 99,400 cubic feet of runoff on- site. With the soils characteristic of the subject property, it is estimated that the pre -development runoff rate is 10.7 cubic feet/ second. Based upon staff's analysis, the drainage level of service standards will be met by limiting off-site discharge to the IRFWCD's maximum discharge rate of 2 inches in 24 hours, and requiring retention of 99,400 cubic feet of runoff for the most intense use of the property. As with all development, a more detailed review will be -conducted during the development approval process. - Recreation Recreation concurrency requirements apply only to residential development. Therefore, this rezoning request would not be required to satisfy recreation concurrency requirements. Based upon the analysis conducted, staff has determined that all concurrency -mandated facilities, including drainage, roads, solid waste, water, and wastewater, have adequate capacity to accommodate the most intense use of the subject property under the proposed zoning. Therefore, the concurrency test has been satisfied for the subject request. 28