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2000 Annual Water Level Raw Data Report for Kansas

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III: Conclusions

The field measurement phase of the annual cooperative water level measurement program was successfully completed by both the KGS and DWR prior to February 1, 2000. The annual program is designed to regionally sample the High Plains Aquifer in Kansas so trends can be established and evaluated for effective incorporation into water resource management strategies. Water levels were recorded in 95% of the 1,365 network wells with data quality evaluations completed on the 555 KGS wells. Modifications to the acquisition methodology developed after statistical analysis of the 1997, 1998, and 1999 KGS annual measurements were implemented during 2000. Systematic errors detected in the 1997, 1998, 1999, and 2000 water level data provide valuable clues to long-term improvement in network reliability.

Spatial analysis of the 1999 annual network well distribution revealed 32 locations that required additional water level data to permit continuous and uniform sampling of the High Plains Aquifer. Candidate wells for all 32 locations were identified through the cooperative efforts of the KGS, DWR, and the GMDs. Of those 32 wells, only 16 had sufficient construction and historical information and landowner cooperation to attempt a water level measurement, with 12 actually being measured. The 12 are incorporated into the network for 2000 and will be measured in all future measurement campaigns unless the wells become unreliable or are plugged. Yearly geostatistical studies will define under-sampled areas and will be used to select optimum locations for replacement wells to eliminate extraneous holes in the hexagonal network.

REFERENCES

Miller, R.D., 1996, The acquisition of annual water levels in Kansas sponsored through a cooperative agreement between the KGS and USGS: Kansas Geological Survey Open-file Report 96-39.

Miller, R.D., and J.C. Davis, 1999, 1999 annual water level raw data report for Kansas: Kansas Geological Survey Open-file Report 99-5.

Miller, R.D., J.C. Davis, and R.A. Olea, 1997, Acquisition activity, statistical quality control, and spatial quality control for 1997 annual water level data acquired by the Kansas Geological Survey: Kansas Geological Survey Open-file Report 97-33, 45 p.

Miller, R.D., J.C. Davis, and R.A. Olea, 1998, 1998 annual water level raw data report for Kansas: Kansas Geological Survey Open-file Report 98-7, 275 p., 6 plates, and 1 CD.

Olea, R.A., 1997, Sampling analysis of the annual observation water wells in Kansas: Kansas Geological Survey Open-file Report 97-73, 44 p, 10 plates.

Olea, R.A., and J.C. Davis, 1999, Sampling analysis and mapping of water levels in the High Plains Aquifer of Kansas: Kansas Geological Survey Open-file Report 99-11.

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