TO:

Arizona Water Banking Authority Members

FROM:

Kim Mitchell, Acting Manager

SUBJECT:

Amended 2006 Annual Plan of Operation

DATE:

August 4, 2006

AUTHORITY MEMBERS
Herbert R. Guenther, Chairman
Charles L. Cahoy, Secretary
Maureen R. George
John Mawhinney
William K. Perry
EX OFFICIO MEMBERS
Senator Jake Flake
Representative Lucy Mason

As approved by the Authority at the June 21, 2006 meeting, the 2006
Annual Plan of Operation (Plan) has been amended to reflect changes made to the original Plan as a
result of the AWBA’s recent Agreement for Water Storage at the Gila River Indian Irrigation &
Drainage District (GRIIDD) Groundwater Savings Facility (GSF). Attached to this memorandum are
an Amended Table 2 and a discussion regarding planned water deliveries to the GRIIDD GSF. The
Amended Table 2 replaces page 7 of the original Plan and the discussion entitled “Participation in
Indian Settlements” is a new heading to be inserted as page 7.1. These changes constitute the
Amended 2006 Annual Plan of Operation.

Amended Table 2
Water Delivery Schedule
Calendar Year 2006
(Acre-feet)

AWBA-Recharge Sites
PHOENIX AMA :
GRUSP
GRUSP Interstate
HIEROGLYPHIC
HIEROGLYPHIC Interstate
AGUA FRIA
TONOPAH DESERT
TONOPAH Interstate

Permitted Capacity
(AF)

May

Jun

Jul

Aug

0
0
0
0
0
8,529
0

0
0
0
0
0
14,842
0

0
0
0
0
0
11,404
0

0
0
0
0
249
10,000
0

0
0
0
0
1,690
10,000
0

0
0
0
0
0
0
0

0
0
0
0
0
0
0

0
0
0
0
0
0
0

0
0
0
0
0
0
0

0
100
0
0
0
0
5,687

0
0
0

3,002
0
3,002

8,529
0
8,529

14,842
0
14,842

11,404
0
11,404

0
0
820
50
1,130
2,239
0

0
0
1,897
0
1,560
5,720
0

0
0
583
3,631
0
3,441
0

0
0
0
3,319
300
5,798
0

1,950
2,289
4,239

3,457
5,720
9,177

583
7,072
7,655

0
582
0
3,233
0
1,000
0

318
0
0
1,812
0
1,000
0

370
970
0
902
809
0
0

0
0

0
0

0
0

0
0

0
0

0
0

0
0

0
0

0
0

0
0

0
0

0
0

AMA TOTAL

4,815
0
4,815

3,130
0
3,130

2,242
809
3,051

3,898
1,720
5,618

3,406
5,543
8,949

2,150
4,514
6,664

2,650
4,300
6,950

2,650
6,000
8,650

3,035
6,714
9,749

3,685
3,925
7,610

4,404
8,900
13,304

3,767
9,900
13,667

6,600
5,732
14,328
7,500
32,997
20,000
5,000
92,157
0
0
0
39,832
52,325
92,157

TOTAL INTRASTATE
TOTAL INTERSTATE
TOTAL

6,765
2,289
9,054

9,589
5,720
15,309

11,354
7,881
19,235

19,040
10,837
29,877

15,120
15,005
30,125

21,014
16,079
37,093

30,438
19,955
50,393

30,641
25,015
55,656

25,694
22,939
48,633

25,010
18,090
43,100

11,479
26,815
38,294

13,602
29,159
42,761

219,746
199,784
419,530

GSF

USF

Apr

SRP
CHANDLER HGTS ID
MWD
NEW MAGMA
QUEEN CREEK
RWCD
GILA RIVER INDIAN IDD

200,000
35,000
100,000
150,000

100,000
3,000
18,000
54,000
28,000
100,000
37,520

TOTAL INTRASTATE
TOTAL INTERSTATE

GSF

AMA TOTAL
PINAL AMA :
CAIDD
CAIDD Interstate
HOHOKAM
HOHOKAM Interstate
MSIDD
MSIDD Interstate
GILA RIVER INDIAN IDD

110,000
55,000
120,000
18,480

TOTAL INTRASTATE
TOTAL INTERSTATE

GSF

USF

AMA TOTAL
TUCSON AMA:

Amended August 4, 2006

AVRA VALLEY
PIMA MINE RD
PMR Interstate
LOWER SANTA CRUZ
LSC Interstate
CAVSARP
CAVSARP Interstate

11,000
30,000

BKW
KAI FARMS (Red Rock)

16,615
11,231

TOTAL INTRASTATE
TOTAL INTERSTATE

50,000
80,000

Jan

Feb

Mar

0
0
0
0
0
0
0

0
0
0
0
0
3,002
0

0
0
0
0
0
0
0

Sep

Oct

0
0
0
0
2,800
10,000
0

2,500
0
2,115
0
2,800
6,850
0

0
100
0
0
0
0
9,583

0
75
0
0
0
0
8,994

16,036
0
16,036

21,373
0
21,373

0
0
0
0
310
9,462
0

0
7,725
0
0
0
3,840
2,828

300
9,117
9,417

310
9,462
9,772

2,828
11,565
14,393

610
1,735
0
1,553
1,720
0
0

400
1,006
2200
0
3,343
2,000
0

7

150
0
2014
0
2,500
2,000
0

Nov

Dec

2,500
0
2,300
0
2,800
6,500
3,500

2,500
0
1,000
0
2,800
0
10,000

2,500
0
2,300
0
2,800
0
10,000

0
75
0
0
0
0
5,556

0
83
0
0
0
0
4,770

0
75
0
0
700
0
0

0
25
0
0
1,000
0
810

21,869
0
21,869

19,896
0
19,896

18,953
3,500
22,453

7,075
10,000
17,075

9,435
10,000
19,435

1,650
8,075
0
2,500
0
5,080
4,765

1,650
8,075
0
0
0
10,940
4,472

0
4,225
0
4,500
0
7,500
2,763

0
2,725
0
2,700
0
5,240
2,372

0
2,725
0
1,500
0
3,690
0

0
3,150
0
2,500
0
3,609
400

6,415
15,655
22,070

6,122
19,015
25,137

2,763
16,225
18,988

2,372
10,665
13,037

0
7,915
7,915

400
9,259
9,659

685
719
2200
0
4,700
3,000
2,000

1,047
720
2200
0
4,700
2,000
3,000

650
0
500
0
3,800
2,000
0

650
0
2200
0
3,800
2,000
0

1,035
0
2014
0
4,700
2,000
0

685
0
1000
0
2,925
3,000
0

Total

10,000
7,715
15,939
81,127
23,500
138,281
0
533
0
0
1,700
0
35,400
37,633
152,414
23,500
175,914
3,300
36,700
3,300
20,700
3,300
66,559
17,600
151,459
27,500
123,959
151,459

PARTICIPATION IN INDIAN SETTLEMENTS
One objective of the AWBA is assisting with the settlement of water rights claims by Indian
communities within Arizona. The state of Arizona has a 100-year firming obligation under the Arizona
Water Settlements Act (Settlements Act) P.L. 108-451 that was executed on December 10, 2004. In
addition, pursuant to House Bill 2728 executed on April 18, 2005, the AWBA has statutorily mandated
responsibilities for the Southside Replenishment obligation. The Indian Firming Study Commission
(Study Commission), created by the Arizona legislature to evaluate the potential alternatives for
meeting these obligations, concluded that the AWBA, in cooperation with ADWR and the Central
Arizona Water Conservation District (CAWCD) is the most appropriate entity to fulfill the State’s
firming obligations. House Bill 2835, which included the Study Commission’s recommendations, was
subsequently signed by Governor Napolitano on April 12, 2006.
The AWBA subsequently entered into an agreement with the Gila River Indian Irrigation & Drainage
District (GRIIDD) for water storage at the GRIIDD GSF on June 16, 2006. The associated water
storage permits for this facility were also obtained. The GSF is on community lands and is located
both in the Phoenix and Pinal AMAs, therefore two water storage permits were required for this
facility. This GSF added an additional 56,000 acre-feet per year of storage capacity, however it will
only operate through December 30, 2007. This amended Plan includes additional deliveries to the
GRIID GSF totaling 53,000 acre-feet; 35,400 acre-feet for the Phoenix AMA and 17,600 acre-feet for
the Pinal AMA. The AWBA intends to utilize monies collected from withdrawal fees to pay for
deliveries to the GRIIDD GSF. However, because withdrawal fees are limited, deliveries previously
scheduled using this fund will instead be shifted to deliveries utilizing 4¢ ad valorem tax in the
Phoenix AMA and to deliveries for interstate purposes in the Pinal AMA. The cost share for the
GRIIDD is $20 per acre-foot.
Long-term storage credits accrued by the Authority at this facility will allow the State to meet a portion
of its firming obligations under P.L.108-451, Sec.105 (a). It should be noted that if the enforceability
provisions of PL108-451 are not met, the AWBA will retain full rights to the long-term storage credits
developed.

Amended August 4, 2006

7.1