C150042 Report

• Contract/PO #: C150042
• Contractor Name: Rio Grande Restoration Project Enterprise
• Contract Type: Grant
• Loan Projects - Doc Type: Report

'
'
'
'
'
,
'
'
'
'
'
IJ
'
,�
1
CI
�
'
TABLE OF CONTENTS
1.0 1NTRODUCTION
1 .1 PURPOSE ................................................................................................... 1-1
1.2 LOCATION ................................................................................................ 1-1
1 .3 HISTORY AND NEED .............................................................................. 1-1
1.4 HYDROGEOLOGIC SETTING ................................................................ 1-4
1.4.1 General Description Of Aquifer System ........................................ 1-5
1.4.2 Unconfined Aquifer System ........................................................... 1-5
1.4.3 Confined Aquifer System ............................................................... 1-6
2.0 CONSTRUCT RECHARGE STRUCTURES
2.1 RECHARGE STRUCTURE NORTHEAST OF DEL NORTE ................. 2-1
2.2 MINOR RECHARGE STRUCTURES IN CLOSED BASIN .................... 2-1
2.2.1 Brownell Site .................................................................................. 2-2
2.2.2 Cost Shaze Recharge Sites .............................................................. 2-2
2.3 RECHARGE STRUCTURE NORTHWEST OF MONTE VISTA
NATIONAL WILDLIFE REFUGE ............................................................. 2-5
3.0 MONITORING RESULTS AT GROUND WATER RECHARGE SITES
3.1 WELLS USED TO MONITOR RESULTS OF GROUND WATER
RECHARGE ............................................................................................... 3-1
3.1.1 Recharge Site Northeast of Del Norte ............................................ 3-1
3.1.2 Brownnell Recharge Site ................................................................ 3-2
3.1.3 Recharge Site Northwest of Monte Vista National Wildlife
Refuge ............................................................................................. 3-11
3.2 CHANGES IN GROiJND WATER LEVEL DUE TO RECHARGE ......... 3-11
3 .2.1 General ............................................................................................ 3-11
v
�I'