PROJ02181

• Contract/PO #: FS0014X
• Contractor Name: Southern High Plains Ground Water Management DistrictSouthern High Plains Ground Water Management Di
• Contract Type: Loan
• Water District: 0
• County: Baca
• County: Prowers
• County: Las Animas
• Loan Projects - Doc Type: Report

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TABLE OF CONTENTS

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1.0 SU M MARy........ ............... ........ ........ ........................... ............. ............................. ....... 1-1

2.0 INTRODUCTION. ....... ........... ................ ............ ............................................... ........... 11-1

2.1 PURPOSE AND SCOPE ................................................................................ 11-1

2.2 BACKGROUND........... .................................................................................. 11-2

2.3 PREVIOUS INVESTIGATIONS... ................. ......... ..... .... ................ .... ............ 11-3
2.4 METHODS OF INVESTIGATION.... ...... .... .................. ................. ........ .......... 11-3

3.0 G EOG RAPHY . ......................... ........ ..... ............... .............. ................ .................. ...... 111-1

4.0 WELL DATA BASE ANALYSIS ............................................................................... IV-1
4.1 WELL RECORDS................................................................................. ......... IV-1

4.2 WELL LOGS.......................................... ............................................. ...... ..... IV-1

4.3 MONITOR WELL LOCATION AND SELECTION.......................................... IV-1
4.4 ABANDONED AND REPLACED WELLS ..................................................... IV-2

5.0 ESTIMATE OF IRRIGATED LANDS AND RELATED WATER USE........................ V-1
5.1 IRRIGATED LANDS............................................................................... ........ V-1
5.2 ESTIMATED WATER USE... ...... ................ .......... ............. .......... ........ ........... V-2

6.0 WATER QUALITY INFORMATION .......................................................................... VI-1
6.1 1997/1998 STUDy...... ...... ...... ...... ...... ........... .......... .......... ................. ........... VI-1
6.2 1954 USGS STUDy...................................................................... ................. VI-2

7.0 HYDROG EO LOGY ...... .................... ...... ................ ........... .............. .... ............ .......... VII-1

7.1 STRUCTURAL GEOLOGy................................... ........................................ VII-1

7 .2 STRATIGRAPHy........ ............. ...... ...... .......... .................... .......... ..... ..... ... .... VII-1

7.2.1 General.................................................................................... ......... VII-1

7.2.2 Permian and older rocks undifferentiated.......................................... VII-1

7.2.3 Dockum Group.................................................................................. VII-2

7.2.4 Jurassic undifferentiated... ...................................... .......................... VII-2
7.2.5 Cheyenne Sandstone........ ............................................................... VII-2
7.2.6 Kiowa Shale...................................................................................... VII-3
7.2.7 Dakota Sandstone.................................................... ........................ VII-3
7.2.8 Graneros Shale. .......... ...... ............. .... ....... ........... .... ................. ........ VII-3
7.2.9 Greenhorn Limestone....................................................................... VII-4
7.2.1 0 Tertiary volcanics.............................................................................. VII-4
7.2.11 Ogallala Formation............................................................................ VII-4
7.2.12 Quaternary alluvium and eolian sediments ....... ............ .......... ..... ..... VII-4

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