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<br />location, casing stick-up and other descriptive information pertinent to the measurements will <br />be noted and recorded in a field notebook. <br />• The measurements tabulated in a field notebook will be entered into an existing electronic <br />database of water level measurements by the Groundwater Contractor. Following data QC, <br />the electronic data will be provided to the State for addition to HydroBase in a format <br />consistent with previous groundwater level data. <br />• Thirty-eight SPDSS monitoring wells installed during Phases 1 and 2 and the four Long-term <br />bedrock monitoring wells from Phase 3 Task 39 previously equipped with water level data <br />loggers will be visited once in spring 2007 and the data will be downloaded and added to an <br />electronic database. Following data QC, the electronic data will be tabulated, graphed, and <br />provided to the State for addition to HydroBase in a format consistent with previous <br />groundwater level data. <br />Deliverables: <br />Task 39.2 Phase 4 Water Level Measurement Technical Memorandum <br />• The Groundwater Contractor will develop a submittal of up to 10 pages in length (with <br />additional pages for data tables, figures and appendices) that contains a description of the field <br />data collection effort and a summary of the water level results. The fail measurement results <br />will be presented in tabular format comparable to what were presented in Phase 3 Task 39. <br />Average daily measurements from the water level data.Ioggers that have been installed at 37 <br />alluvial and 5 bedrock monitoring wells also will be presented as hydrographs. <br />• The Groundwater Contractor will provide a digital copy (in both Microsoft Word and Adobe <br />Acrobat format) for review and comment by the State. The Groundwater Contractor will <br />incorporate the State's comments and recommendations and provide a final technical <br />memorandum, also in digital (Microsoft Word and Adobe Acrobat) format. The shapefile or <br />raster data sets created to represent the data in the technical memorandum figures will be <br />provided and will include supporting metadata descriptions. Data in electronic format suitable <br />for importation into HydroBase will be provided. <br />Task 46: Develop Stream Gain/Loss Estimates from Groundwater <br />Objective: <br />The objective of this task is to develop estimates of stream gains and losses from groundwater in <br />the main stem of the South Platte River and its tributaries within the study area. Stream gain or <br />loss from groundwater is the difference between computed inflows and outflows over specified <br />reaches for a given time period after adjusting for surface inflows (rainfall runoff, surface water <br />returns, etc.). The gain or loss from the aquifer is the groundwater discharge to or recharge from <br />the overlying stream system. <br />SPDSS_Phase4_gw_SOW_09-I 5-06.doc 3 <br />