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2018 Update of the Water and Wastewater <br /> Impact Fees for the City of San Marcos <br /> 5.0 Identified Major Capital Improvement Needs and Costs <br /> Given the projected growth in water and wastewater demands, existing capacity, and the <br /> modeling of infrastructure needs, various additional facilities have been identified to meet the <br /> needs for the next 10 years. The City's 10-year capital need for new capacity totals $101.254 <br /> million for water, mostly associated with new supplies from the Alliance Regional Water <br /> Authority and new water transmission facilities, and $61.075 million for wastewater (see <br /> Appendix D). <br /> Given the growth facing the City in the next ten years, improvements have been <br /> identified for the areas of water supply,pumping, elevated storage, and water transmission. San <br /> Marcos has also identified needed improvements to its wastewater system, including <br /> improvements to the treatment plant, pumping, and wastewater interceptors that would serve <br /> future growth. <br /> Specific projects that accomplish these service capacity goals are identified in Tables 6a <br /> and 6b along with their cost, capacity, unit cost, and allocation of existing and projected demand <br /> to these facilities. A weighted unit cost of service ($ per SU) is then calculated by facility type, <br /> based on the proportionate share of use of existing versus new facility capacity by the growth <br /> anticipated over the next ten years. <br /> City of San Marcos 10 <br /> January 2018 <br />