Wyoming State Water Plan, Wyoming Water Development Office
Rafting on Snake River Lake Marie, Snowy Mountains Wyoming Wind River Range picture

TECHNICAL MEMORANDUM

Subject:Irrigation Diversion Operation and Description Memoranda
Prepared By:BRS Engineering
Date:2003

Bull Lake Creek

Winchester

DESCRIPTION AND OPERATION MEMORANDUM

WINCHESTER DITCH

DIVERSION DESCRIPTION

Boulder diversion dam diverts water into ditch through concrete rectangle with manually operated sliding gate.

DIVERSION LOCATION

Source: Bull Lake Creek
N 38E 15' W, 1605' from S 1/4 corner Section 17, Township 3 N, Range 2 W, WRM and is in the SE 1/4 SW 1/4 Section 17

CONVEYANCE DESCRIPTION

Open dirt ditch approximately 4 1/2 miles long, spill gate approximately 1 mile down ditch. Ditch 10 feet wide at upper end Estimated capacity ~ 45 c.f.s.

WYOMING WATER RIGHTS

Priority DatePermit NumberPermit UseAcresFlow(cfs)(af)Cumulative Flow(cfs)Comments
7/03/1868Wind River TribesIrr.63.00
299.00

7/03/1868WaltonIrr.576.64
2808.24

2/19/191312787Irr.89.441.29
1.29
1/20/19233197EIrr.98.001.40
2.69
2/05/19254442EIrr.185.002.64
5.33
6/14/19375147EIrr.,Dom.,Stk.104.001.48
6.81
4/24/19465414EIrr.,Dom.,Stk.163.102.33
9.14
2/25/19525610EIrr.,Stk.186.402.67
11.81
7/23/19636228EIrr.209.502.98
14.79

STORAGE RIGHTS

None

ESTIMATED CANAL LOSSES

Varies with time of year Est. 30% at peak

IRRIGATION PRACTICES

Conventional wild flooding practices with some sideroll sprinklers.

CROP TYPES / CONSUMPTIVE USE

Native hay, alfalfa hay, native pasture, occasional small grain, lawns and gardens.

RETURN FLOWS

100% to Big Wind River

OTHER OPERATIONAL INFORMATION

Private Ditch of 3 users

CONTACT INFORMATION

The Nature Conservancy
Lander, WY
(307)332-2971

PHOTO LOG

Information collected from files available at Division 3 Office of the State Engineer Office in Riverton, WY, and from the ditch contact person when available.

DIVERSION RECORD