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e U KDA will summarize..the results of the traffic analysis in a stand-alone traffic impact study. KDA will submit a draft of the traffic impact study.for revie.w.by MBA and San Joaquin County. KDA will prepare a final traffic impact study in response to comments on the draft study. This proposal assumes the final traffic impact study will:respond to one consolidated set of comments. KDA will prepare, or assist in the preparation of, written r®sporises to public comments on the traffic portion of the draft EIR. This proposal includes eight hours of KDA staff time to prepare responses to public comments on,tho.&aft EIR. It is not possible to know the nature and number of public comments that will be submitted on the draft EIR. If the number or nature of public comments requires more than eight hours of KDA staff time, a contract amendment will be needed. Hydrology and Water Quality The EIR will address existing conditions and the potential for impacts to groundwater from proposed settling ponds/retention basins and mining activities, impacts on downstream resources with hydraulic connections to the project site, increased runoff from the project, as well as any necessary mitigation. Based on available information, MBA will describe existing groundwater resources in the project vicinity, including the location and characteristics of aquifers (e.g., fracture flow), water levels, flow directions, and historical trends in groundwater use and conditions where accurate information exists. Additionally, with the use of existing information, MBA will describe the potential for translatory flow of infiltrating water from the project site to enter surface water bodies down-gradient of the project area. Based on available information, MBA will describe groundwater uses and surface water resources supplied by groundwater in the surrounding area that may potentially be affected by the project. MBA will identify potential impacts due to groundwater pumping and mining activities on aquifer water levels and down-gradient surface water resources that may receive groundwater influx. MBA will consult with the County of San Joaquin to evaluate information on existing and planned drainage facilities, drainage studies, and adopted plans or policies affecting surface runoff and water quality in the area of the proposed project. This will include a description of the existing onsite surface drainage patterns, their connection to adjoining areas, and downstream receiving waters based on available maps and photographs, field observation, and available project studies. This task will also will include a review relevant County information together with FEMA's Flood Insurance Rate Maps (FIRMS) and existing hydrologic investigations to identify the flood potential for the project site MBA and Northwest Hydraulic'Consultants, Inc (NHC) will qualitatively evaluate and identify hydromodification impacts of the Project on surface drainages across the landscape including changes in runoff conditions and the ability of downstream drainage channels to pass runoff flows. NHC will complete a technical peer review of the Applicants Drainage Plan to verify its accuracy, methodology, and whether the Project could have additional residual effects on localized or downstream flooding. NHC's findings will be incorporated into the EIR. Using existing information, MBA will identify the general types and sources of water quality changes that may result from project development. MBA understands that the Project Applicant is required to monitor for total dissolved solids (TDS), pH, and total petroleum hydrocarbons (THP) per the Waste Discharge Requirements (WDR) Order No. 5-01-145 issued by the Central Valley RWQCB. MBA assumes that monitoring data collected to date will be provided for inclusion in the EIR. MBA will include an evaluation of potential impacts of runoff from the project site on the quality of receiving waters and the infiltration of reclaimed wash water from the settling ponds/retention basins to the underlying aquifer and potential down-gradient surface water resources.