Draft Imnaha Subbasin Summary November 30, 2001 Prepared for the Northwest Power Planning Council Subbasin Team Leader


Appendix B - Flow Duration Curves for the Imnaha Subbasin



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Appendix B - Flow Duration Curves for the Imnaha Subbasin


Appendix Figure B1. Flow duration curve for July, gages 13291000 and 13292000



Appendix Figure B2. Flow duration curve for August, gages 13291000 and 13292000



Appendix Figure B3. Flow duration curve for September, gages 13291000 and 13292000




Appendix Figure B4. Flow duration curve for October, gages 13291000 and 13292000




Appendix Figure B5. Flow duration curve for November, gages 13291000 and 13292000



Appendix Figure B6. Flow duration curve for March, gages 13291000 and 13292000


Appendix Figure B7. Flow duration curve for April, gages 13291000 and 13292000


Appendix Figure B8. Flow duration curve for May, gages 13291000 and 13292000

Appendix Figure B9. Flow duration curve for June, gages 13291000 and 13292000

Appendix C - List of McCully Creek Water Rights at or upstream from the Sheep Creek Ditch (WVI Canal) (Bliss 2001)





Certificate Number (1)

Name on Certificate & Proof #

Priority

Date

CFS (2)

or AF

Acres


Use

Ditch (7)

Stream

(6 & 7)


Point of Diversion

Location

Place of Use Location

9327

Decree p. 15



Down, Charles

Proof #21



1877

(a) 11.35 cfs

(b) 5.68 cfs



474

Irrigation

Domestic


Stock

Sheep Creek Ditch


McCully Creek

Watermaster unable to determine from Imnaha Decree. (8)

T3S, R45E, Sec 1,13

T3S, R46E, Sec 7



9341

Decree p. 17




Gaulke & Kernan

Proof #36



1877

(a) 4.10 cfs

(b) 2.05 cfs



164

Irrigation

Domestic


Stock

Sheep Creek Ditch

McCully Creek

Watermaster unable to determine from Imnaha Decree. (8)

T3S, R45E, Sec 1


9369

Decree p. 21



McClain, Alice

Proof #84



1877

(a) 3.88 cfs

(b) 1.94 cfs



155.2

Irrigation

Domestic


Stock

Sheep Creek Ditch

McCully Creek

Watermaster unable to determine from Imnaha Decree. (8)


T3S, R45E, Sec 12


9390

Decree p. 26



Tucker, DG

Proof #125



1877

(a) 3.83 cfs

(b) 1.92 cfs



153.2

Irrigation

Domestic


Stock

Sheep Creek Ditch

McCully Creek

Watermaster unable to determine from Imnaha Decree. (8)

T3S, R46E, Sec 7


9391

Decree pp. 26 through 28



Wallowa Valley Improvement District #1

Proof #126



1905

(a) 129.09 cfs

(b) 64.54 cfs



5163.4

Irrigation

Domestic


Stock

Sheep Creek Ditch

(formerly Mountain Sheep Ditch)



Little Sheep Creek and tributaries crossed by line of Sheep Creek Ditch


T2S, R45E, Sec 25,35,36

T3S, R45E, Sec 1,2,10,11,

12,13,14

T3S, R46E, Sec 5,6,7,8,18



9397

Permit 5335

Decree p. 28


Wallowa Valley Improvement District #1

Proof #127



1919

(a) 33.65 cfs

(b) 16.83 cfs



1346.1

Irrigation

Sheep Creek Ditch

(formerly Mountain Sheep Ditch)



Big Sheep Creek, Little Sheep Creek, and springs and streams crossed by line of Sheep Creek Ditch




T2S, R45E, Sec 25

T2S, R45E, Sec 30,31

T3S, R45E, Sec 10,11,

14,15


9397

Permit 5335

Decree p. 29


Wallowa Valley Improvement District #1

Proof #127



1919

(a) 128.92 cfs

(b) 64.46 cfs


5,156.6

Supple-mental

Irrigation



Sheep Creek Ditch

Big Sheep Creek and tributaries crossed by line of Sheep Creek Ditch




T2S, R45E, Sec 25,35,36

T3S, R45E, Sec 1,2,10,11,

12,13,14

T3S, R46E, Sec 5,6,7,8,18



3890

Permit R-223



Wallowa Valley Improvement District #1

1912

315 af

-----

Supple-mental Irrigation

Mountain Sheep Ditch

(footnote 3)

Mountain Sheep Reservoir (now Kinney Lake Res.) in T3S, R46E, Sec 8

See Cert. 2439

2439

Mountain Sheep Ditch Company

1913

18.55 cfs to fill reservoir under permit R-223; plus use of stored water

1484

Supple-mental Irrigation

Little Sheep Ditch & Mountain Sheep Res.


(footnotes 3 & 4)

Sheep Creek Ditch in T3S, R46E, Sec 18; Reservoir in T3S, R46E, Sec 8

T2S, R45E, Sec 36

T2S, R45E, Sec 31

T3S, R46E, Sec 5,6,7,8


2163

Charles Down

1917

1.98 cfs

158

Irrigation

Sheep Creek Ditch

(footnote 3)

T3S, R46E, Sec 18, SE SW

T3S, R45E, Sec 12,13

3794

F C Gowing

1921

0.44 cfs

35

Supple-mental Irrigation

Sheep Creek Ditch, a tributary of Prairie Creek and Wallowa River

(footnote 3)

T2S, R45E, Sec 23, SW SW (note: the diversion on Sheep Creek Ditch is 5 miles to NNW into Prairie Creek drainage)

T2S, R45E, Sec 22

3473


Chas. F. Johnson &

L. W. Johnson



1921

1.24 cfs

99

w/ only


25 prim.


Irrigation & Suppl. Irrigation

Freewater or Sheep Creek Ditch, tributary of Prairie Creek

(footnote 3)

T2S, R45E, Sec 26, SW NE (note: the diversion on Sheep Creek Ditch is 4 miles to NNW into Prairie Creek drainage)

T2S, R45E, Sec 22,23

14520

Silver Lake Ditch Company

1941

57.83 cfs with

19.20 cfs from Little Sheep Creek and

38.55 cfs from

McCully Creek



1550

w/ only


39.5 pri.

Irrigation & Suppl. Irrigation

Litlle Sheep Creek Ditch

(footnotes 3 & 4)

Little Sheep Creek in T4S, R46E, Sec 4, SE SE;

McCully Creek in T3S, R46E, Sec 19 NE NE


T2S, R45E Sec 13,26

T2S, R45E, Sec 1,12,13,

23,24,25,26,36


14521

Farmers Water Ditch Company

1941

123.07 cfs with

70.35 cfs from Little Sheep Creek and

52.74 cfs from

McCully Creek



About 3282,

w/ only 18 prim.



Irrigation & Suppl. Irrigation

Farmers Ditch

(footnotes 3 & 4)

Little Sheep Creek in T4S, R46E, Sec 4, SE SE;

McCully Creek in T3S, R46E, Sec 19 NE NE



T2S, R45E, Sec 2,11

T1S, R45E, Sec 28,32,33,34

T2S, R45E, Sec 1,2,3,5,10,

11,12,13,14,15,22,23,24,26



52840

Roy W. Daggett

1976

0.56 cfs from Wallowa River,

0.12 cfs from Prairie Creek,

0.12 cfs from unnamed stream (McCully Creek)


32

Irrigation

Note stated

Wallowa River, Prairie Creek, and unnamed stream (McCully Creek)


McCully Creek in T2S, R45E, Sec 2, SW SE (note: 8.5 miles north of point where Sheep Creek Ditch spills into Prairie Creek drainage, after McCully Creek water flows through Farmers Ditch)

T1S, R45E, Sec 20,29


(1) Decree = Imnaha Decree; the Decree was signed May 29, 1930.
(2) The Imnaha Decree has the following water use provisions:

Amounts for irrigation are (a) 1/40th cfs per acre April 1 - July 31 and (b) 1/80th cfs per acre August 1 – October 15.

Amount for stock is 0.1 cfs/1000 head, but the flow can be increased to prevent ditches from freezing over.

Amount for domestic use is undefined and may have included gardening; older allowances for domestic use were about 0.01 to 0.05 cfs.

Stock and domestic use have preference over irrigation.

[Note that amounts for stock and domestic use are not shown in the table; Mike Coppin, manager of the Wallowa Valley Canal indicated in December 2000 that all water diverted during the non-irrigation season is routed into the Wallowa subbasin for stock and domestic uses.]


(3) McCully Creek is intercepted by Sheep Creek Ditch, now referred as Wallowa Valley Canal.
(4) Sheep Creek Ditch and Little Sheep Ditch are the same.
(5) Diversions appear to be on main channel of McCully Creek after it flows into the Wallowa Subbasin.

(6) The Decree Map clearly shows McCully Creek with two channels, one entering the Wallowa Subbasin and one continuing on down to what is interpreted as the (Little) Sheep Creek Ditch, then on to Little Sheep Creek.

(7) It is unclear how to interpret what is meant by “Sheep Creek Ditch” in reference to the two McCully Creek channels and the 1877 water rights. A review of points of diversion in the Proofs and permits may clarify this. The Decree map, dated 1927, shows a split channel, with one channel flowing north into the Prairie Creek drainage and the other flowing east to Sheep Creek Ditch, then north into the Prairie Creek drainage. Today, the north channel has a permanent diversion structure. This has been referred to as McCully Creek Diversion #1. The 1877 rights appear to be associated with this diversion, even though the Decree indicates Sheep Creek Ditch. The other channel is intercepted by Sheep Creek Ditch (Wallowa Valley Improvement District canal) in T3S, R46E, Sec 19, NW NE, which matches the location noted on the enclosed USGS reference map as T3S, R46E, Sec 19, SE SE NW NE. This has been referred to as McCully Creek Diversion #2. Waters from the two diversions do not mix as they enter the Prairie Creek drainage, as shown on the Decree map and based on a recent site inspection. It is possible that the 1877 rights were at first diverted from Sheep Creek ditch (diversion #2), with the diversion later moved to diversion #1. It is also possible that there are two Sheep Creek ditches, or that the 1877 rights could be diverted from either diversion, or that the name of the ditch applicable to the 1877 rights was inaccurately recorded in the Decree.
(8) The watermaster, Shad Hatton, has indicated he is unable to determine at this time what the legal diversion point is for the 1877 rights. He stated that many of the early rights were not very accurate, and that interpretation of the rights today would require a site inspection for each right to determine current diversion locations.




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