Laserfiche WebLink
SPDSS Phase 3 Task 39 Water Level Measurement <br />Technical Memorandum <br />FINAL <br />To: Ray Alvarado <br />From: Camp Dresser and McKee Inc. <br />Donavon Paschall, Hanna Gilbert, Matt Bliss, Andy Horn, and Gordon McCurry <br />Subject: SPDSS Groundwater Component Phase 3, Task 39.4 <br />Final Water Level Measurement Technical Memorandum <br />Date: September 27, 2006 <br />Introduction <br />The groundwater component of Phase 3 of the South Platte Decision Support System (SPDSS) <br />focuses on compiling and evaluating available relevant data to support the Decision Support <br />System for the South Platte River watershed, and to add the data to HydroBase, the State of <br />Colorado's hydrological database. The SPDSS groundwater study area is presented in Figure 1. <br />For the purposes of the SPDSS, the groundwater study area is divided into two hydrologic <br />regions. The Denver Basin Region includes the bedrock aquifers of the Denver Basin. The South <br />Platte Alluvium Region consists of the unconsolidated deposits of the South Platte River main <br />stem, extending downstream from just below Chatfield Reservoir to the Nebraska state line at <br />Julesburg. The South Platte Alluvium Region also includes the alluvial systems overlying the <br />Denver Basin Bedrock Aquifers in Water Division 1. <br />This task was undertaken for the Colorado Water Conservation Board (CWCB) and the Division <br />of Water Resources (DWR), under Task 39 of Phases 2 and 3 of the SPDSS by Camp Dresser & <br />McKee (CDM). Phase 3 of Task 39 is comprised of three major subtasks: Task 39.1, water level <br />measurements and data download; Task 39.2, selection and instrumentation of four bedrock <br />monitoring wells; and Task 39.3, surveying of selected monitoring wells. <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 to supplement data collected by the <br />DWR in the spring of each year. In addition water level data from automated water level <br />pressure transducer and data loggers (data loggers) installed in the SPDSS monitoring wells <br />were downloaded. It is anticipated this task will be conducted through Phase 5 of the SPDSS. <br />The Phase 3 methods and results of this task are described in Section 1. <br />The objective of Task 39.2 was to identify and equip suitable wells for continuous monitoring of <br />water levels in the Denver Basin bedrock aquifers. These wells were selected to provide <br />continuous records of water level fluctuations in areas near major pumping centers. The Phase <br />3 methods and results of this task are described in Section 2. <br />SPDSS Phase 3 Task 39 Technical Memarandum -Final <br />09/27/2006 <br />