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Comprehensive Plan <br />Sanitary Sewer Sub -Element <br />90% to 95% of future new development will connect to the regional sewer system. <br />The county will continue to maintain these policies and evaluate the feasibility of regional <br />system versus package treatment plants for the above referenced type of developments. <br />The existing conditions section of this sub -element provides a discussion of the existing capacity <br />of centralized wastewater treatment facilities, with an emphasis on the county system. That <br />discussion addresses the supply side of the wastewater treatment system. This section considers <br />the demand side. <br />The information for this section is based on the permanent and functional population projections <br />contained in the Introductory Element and on the projected land use patterns contained in the <br />Future Land Use Element. That information is also consistent with the county utilities master <br />plan. To develop these projections, the county used data such as historic growth, population <br />estimates, number and type of dwelling units, and developed commercial/industrial acreage. <br />As with other facility analyses, planning for wastewater treatment facility expansion requires a <br />rational approach to projecting growth over a finite planning period. Past experience has shown <br />that using the historic growth of existing facilities in conjunction with population projections is <br />the most accurate method of projecting wastewater generation rates for future treatment facility <br />expansions. <br />Capital Improvements <br />According to the county sanitary sewer master plan, the total design capacity of the county <br />sanitary sewer system in 2030 is projected to be 19 million gallons per day (MGD), while total <br />demand is projected to be about 12.62 million gallons per day (MGD). To got to a 19 gallon pe <br />day eapaeity, either- the neAh eetinty fegietial plaRt eAiWef the West F-egiena4 plant will - -, <br />expanded in eaeh of the following years: 2010, 2015, and 2025. The iner-eases will be-. 2 nigd in <br />20'�i-fngd in 20153 and 3 mgd in 2025. This information is shown in the graph below. <br />Because all of the plants in the county system are interconnected, there is flexibility as to which <br />plant or plants will be expanded to accommodate future demand. <br />Community Development Department Indian River County 36 <br />Ap�Midix A <br />