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Under Task 39.3, selected wells in the DWR, SPDSS, and Central Colorado Water Conservancy <br />District (CCWCD) water level monitoring programs were surveyed by a Colorado licensed <br />surveyor to provide horizontal and vertical (elevation) data for the wells. The elevation data <br />will be used to improve the vertical accuracy of the groundwater level measurements for the <br />SPDSS modeling efforts. The Phase 3 methods and results of this task are described in Section <br />3. <br />This technical memorandum (TM) documents the methods and results of the three activities <br />described above and focuses on field data collection with limited analysis provided. Data <br />collected in this task will be provided to the SPDSS project manager for inclusion into <br />HydroBase. Further analysis of groundwater level data is provided in the Task 44.2 and Task <br />44.3 TMs. <br />Approach <br />The following table summarizes the sections contained in this TM. <br />Section Descri tion <br />1.0 Water Level Collection <br />1.1 Autumn Water Level Measurements <br />1.2 Data Retrieval from SPDSS Monitorin Wells <br />1.3 Evaluation of Water Level Trends <br />2.0 Lon -Term Monitorin of Bedrock Wells <br />2.1 Selection of Wells <br />2.2 Installation of Monitorin Equipment <br />3.0 Monitorin Well Surve in <br />4.0 Summar and Conclusions <br />5.0 Recommendations <br />6.0 References <br /> <br /> Appendices <br />A Evaluation of the Sonic Water Level Meter <br />B Autumn Water Level Measurement Letter <br />C Autumn 2005 Water Level Measurements <br />D SPDSS Monitorin Well H dro aphs <br />E Monitoring Well Survey Results <br />1.0 Water Level Collection <br />The objective of Task 39.1 was to collect autumn groundwater level data for the bedrock and <br />alluvial groundwater systems in the Denver Basin Region and downloading water level data <br />from the data loggers installed in the SPDSS monitoring wells. <br />SPDSS Phase 3 Task 39 Technical Memarandum -Final <br />09/27/2006 <br />