Transcript Green Valley Water Supply - Groundwater Awareness League

Green Valley Water Supply
Water In = 28,000 af annual
Water Out = 68,000 af annual
Over Allocated = 40,000 af annual
acre foot = usage family of 4 annually
How do we know?
Possibilities for Aquifer Recharge Projects
in Green Valley area
Monday, January 23, 2006
10 am to 12 noon
Place: Water Resources Research Center
University of Arizona
350 N. Campbell Avenue
Tucson, Arizona 85719
Contact: Nancy Freeman
Groundwater Awareness League, Inc.
Attendees
Eric Holler: Bureau of Reclamation
Ann Phillips: Tucson Audubon Society
Cynthia Chardley: Phelps Dodge attorney
John D. Brack: Phelps Dodge (Sierrita manager)
Marie Light: Tucson Water (recharge)
Mark Cross: Errol Montgomery Consultants
Marc Herman: Pima County DEQ
Norris West: Community Water (Green Valley)
Michael Lytle: Rancho Sahuarita Water Co.
John Gay: Las Quintas Sahuarita Water Co.
Steve Gay: Las Quintas Sahuarita Water Co.
Martin Roush: Town of Sahuarita
Toops Culbertson: Farmers Water Co.
Jim Lamb: Green Valley News
Kenneth Seasholes: ADWR
Buck Schmidt: Brown and Caldwell
Tom Berry: Pima Cty Wastewater Mgmt.
Susan Eden: U of A Water Resource
Kathleen Chavez: Pima County
Evan Canfield: Pima County Flood Control
Terry Sprouse: U of A Water Resource
Amy McCoy: Sonoran Institute
Brad Poole: Tucson Citizen
Scott Altherr: Castro Engineering
Deborah Tosline: Bureau of Reclamation
Eve Halper: Bureau of Reclamation
Frank Postillion: Pima County Flood Control
The Official Solution = CAP
Cost for infrastructure = $30 - $100 million
GV allocations = 5,400 af allocations
Deficit = 40,000 af
Additional augmentation = 34,600 af
Possible solutions
• Check dams:
• Upstream washes—El Coronado Ranch
• In larger river flows
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Recharge basins—Chandler
Golf course recharge basins—U of A study
Reservoirs in mountains
Individual rain water harvesting projects
El Coronado Ranch
It is important to start at the top of the watershed and put
structures on the hillsides as well as in the streambed.
We have built over 20,000 loose rock structures in the
Chiricahua Mountains.
Results
Check Dam in New Mexico
Chandler Park is recharge Basin
Soccer Field is recharge basin
Dry wells on soccer field
Haven Golf Course Project
Outlet of Watershed E and possible site of retention basin.
Pooling area at mouth of Watershed D
Mouth of Watershed A with significant flooding
Projected Groundwater Demands for Golf
Courses
Golf Course
1996
2000
2005
2010
2020
Country Club of Green Valley
795
694
694
694
694
Desert Hills Golf Course
527
428
428
428
428
Haven Golf Course
731
682
682
682
682
Morry Canoa Hills Golf Course
498
428
428
428
428
Quail Creek Golf Course #1
295
428
428
428
428
Quail Creek Golf Course #2
na
214
428
428
428
San Ignacio Golf Course
408
428
428
428
428
Torres Blancas Golf Course
874
371
371
371
371
Canoa Ranch Golf Course #1
na
214
428
428
428
Rancho Sahuarita Golf Course #1
na
428
428
428
428
4,128
4,315
4,743
5,599*
5,599*
Total
Individual Projects
• Xeriscaping
• Drip system seasonal changes
• Rain Water harvesting
Brad Lancaster