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If the find is considered a "resource" the archaeologist, in cooperation with a Native American monitor shall pursue either protection in place or recovery, salvage and treatment of the deposits. Recovery, salvage and treatment protocols shall be developed in accordance with applicable provisions of Public Resource Code Section 21083.2 and State CEQA Guidelines 15064.5 and 15126.4. If unique a tribal cultural resource cannot be preserved in place or left in an undisturbed state, recovery, salvage and treatment shall be required at the Project Applicant's expense. All recovered and salvaged resources shall be prepared to the point of identification and permanent preservation in an established accredited professional repository. 3.13 Utilities and Service Systems Summary of Impacts Identified in the EIR Water As detailed in DEIR Section 4.13, Utilities and Service Systems, the Original Project would result in a total demand of 131.53 AFY of water at full occupancy. The EIR describes that the City's Urban Water Management Plan (UWMP) anticipates a water supply and demand increase of 8.2 percent (3,028 acre feet) per year. The Original Project would result in an increase in demand for water supplies that is 4.3 percent of the UWMP's anticipated increase per year. Therefore, the EIR determined that City would have water supplies available to serve the Original Project. (DEIR, p. 4.13-7 through 4.13-8.) Wastewater As detailed in DEIR Section 4.13, Utilities and Service Systems, based on results of the sewer flow monitoring and the City's Design Criteria wastewater generation rates, it was determined that existing sewer lines that serve the Project site would be able to adequately accommodate the additional wastewater flows from the Original Project. Additionally, it was determined that the existing wastewater treatment facilities have adequate capacity to accommodate the increase in wastewater flow from full occupancy of the Original Project and impacts were determined to be less than significant. (DEIR, p. 4.13-11.) Drainage and Water Quality As detailed in DEIR Section 4.13, Utilities and Service Systems, all projects in the watershed are required to implement measures to comply with the LID, Municipal Separate Storm Sewer System (MS4) Permit, Drainage Area Management Plan (DAMP) requirements for implementation of a Stormwater Pollution Prevention Plan (SWPPP) and Water Quality Management Plan (WQMP). These requirements were developed to reduce the potential of impacts to water quality, and to ensure that development projects accommodate stormwater drainage. The EIR determined that the Original Project would result in an increase of pervious area from creation of larger areas of landscape and open space than currently exist onsite, and that stormwater from the site would be filtered through detention and drywell systems prior to discharge off -site to manage stormwater drainage and protect water quality. The EIR determined that the Original Project would result in less than significant impacts related to drainage facilities and water quality. (DEIR, pp. 4.13-16 through 4.13-19.) Comparison of Impacts Associated with the Proposed Modified Project Water Consistent with the methodology of the EIR, the estimated water demand that would result from the Modified Project was based on the City of Santa Ana Design Guidelines that assume 120 gpd per capita and 3,000 gallons per day per acre of landscaping. As shown in Table U-1, the reduction of 453 residents and 0.46 acre of landscaping would reduce the water demand from the Project site by 55,740 gallons per day (gpd) or 62.44 acre feet yearly (AFY) in comparison to the Original Project, as shown on Table U-1.