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2018 Update of the Water and Wastewater <br /> Impact Fees for the City of San Marcos <br /> 3.0 Land Use Assumptions <br /> Tables 1 a and 1 b provides an estimate of the current and future land use patterns of the <br /> potential water and wastewater service area with information obtained from the City of San <br /> Marcos Systemwide Use Assumptions for the Implementation of Impact Fees report (Appendix <br /> A). For the water service area, as indicated, about 10.9%% of the total ETJ area is currently in <br /> single-family residential land uses with 21.7% in other uses. It is estimated that 67.5% of the <br /> land within the planning area is undeveloped. <br /> Table 1a. <br /> Current and Projected Land Use - Water <br /> Future <br /> Current (Including ETJ) <br /> Item Acres % Acres <br /> Single-Family Residential 6,774 10.9% 8,084 13.0% <br /> Multi-Family Residential 1,977 3.2% 2,356 3.8% <br /> Mixed Use 1,147 1.8% 1,371 2.2% <br /> Commercial 3,481 5.6% 4,156 6.7% <br /> Industrial 1,545 2.5% 1,841 3.0% <br /> Public/Institutional 5,337 8.6% 6,364 10.2% <br /> Undeveloped 42,093 67.5% 38,182 61.2% <br /> Total Land Use Acreage 62,354 100.0% 62,354 100.0% <br /> Source: City of San Marcos, 2017. <br /> The following water use rates were used to project demand based on the <br /> land use data above. <br /> 360 gals per acre—Residential <br /> 650 gals per acre—Non-Residential <br /> Over time as the City grows into the planning area, developed land areas will both <br /> increase and become a higher percentage of overall land uses. Projected residential land uses are <br /> expected to increase to 13.0% of total potential service land area and other land use types are <br /> expected to increase to 25.9%of total land use. It is projected that undeveloped land will shrink <br /> to 61.2%of the total planning area over the 10-year planning period. <br /> For the wastewater service, as indicated, about 6.7% of the total ETJ area is currently in <br /> single-family residential land uses with 13.4% in other uses. It is estimated that 79.9% of the <br /> land within the planning area is undeveloped. <br /> • <br /> City of San Marcos 5 <br /> January 2018 <br />