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Final June 2002 On-Post Quarterly Groundwater Monitoring Report
Section 3 - Well CS-16 Water Level and Transducer Data
Precipitation data collected from the meteorological station at Well CS-16 between October 5, 1998, and June 17, 2002, are shown in Figure 3-1. During the September 2001 monitoring event, the water level data from the CS-16 transducer was not recorded due to a technical malfunction. Therefore, CS-16 groundwater elevation data and precipitation data from the June 2001 event through the September 2001 monitoring event is missing from Figure 3-1. On May 21, 2002 the transducer was removed from CS-16 for telemetry testing, the transducer was returned to the well on June 6, 2002.
As noted earlier, groundwater levels decreased 50.08 feet, as averaged from each formation. Between March 22, 2002, and June 17, 2002, there were 17 rainfall events with a total precipitation of 4.46 inches. During the previous quarter when groundwater levels decreased 70.97 feet, there were 15 rainfall events with a total precipitation of 2.25 inches. For comparison from all events, Table 3-1 demonstrates the total precipitation received each quarter and the average groundwater level increase or decrease.
Transducer data was collected from wells CS-MW9-LGR, CS-MW9-BS, CS-MW9-CC and CS-16 during this monitoring event. The transducer in well CS-MW4-LGR was not downloaded due to technical malfunction and results for CS-MW4-LGR dated March 23, 2002 to June 18, 2002 are missing. The transducer in well CS-16 was removed during well upgrade and results from May 21, 2002 through June 6, 2002, are missing. The groundwater elevation data for the CS-MW9 cluster wells was plotted in comparison to the daily precipitation as measured from the meteorological station at Well CS-16 in Figure 3-2. Transducer data collected from wells CS-16 and CS-MW4-LGR from January 11, 2002, through June 17, 2002 is shown in Figure 3-3.