Powder/Tongue River Basin Water Plan
Technical Memoranda

SUBJECT:	Appendix J Storage Operation and Description MUDDY GUARD NO. 2
PREPARED BY:	HKM Engineering Inc.
DATE:	March 2002

KEY STORAGE FACILITIES

Reservoir:	MUDDY GUARD NO. 2	Muddy Guard No. 2 north dam
Date:	28 Feb. 2001
Location:	NWSW 29,T49N,R82W
Owner:	NORTH FORK IRRIGATION DISTRICT
Year of Construction:	1976	Muddy Guard No. 2 south dam
Total Storage:	1,934 acre-feet
Active Storage:	1,931 acre-feet
Dead Storage:	3 acre-feet
Area/Capacity Data:	(Source: Map to Accompany Petition, David Palmerlee, applicant and petitioner, on file with State Engineer's Office, Water Div. II)
	Contour Elevation (ft) Area (acres) Average Area (acres) Capacity (af) Accumulated Total (af) 520 0.034 0.079 0.395 5210 0.124 0.395 0.532 2.660 5215 0.940 3.055 1.747 8.735 5220 2.555 11.790 3.507 17.54 5225 4.459 29.325 5.793 28.97 5230 7.127 58.290 8.015 40.08 5235 8.9086 98.365 10.395 51.98 5240 11.889 150.340 13.620 68.10 5245 15.352 218.440 17.186 85.930 5250 19.02 304.370 20.963 104.815 5255 22.906 409.185 26.753 123.765 5260 26.600 532.950 28.475 142.375 5265 30.350 675.325 32.026 160.130 5270 33.703 835.455 35.571 177.855 5275 37.439 1013.310 39.472 197.36 5280 41.505 1210.670 43.768 218.840 5285 46.032 1429.510 47.786 238.930 5290 49.841 1668.440 50.314 100.628 5292 51.087 1769.068 EXCAVATION 266,735.30 cyd 165.35 TOTAL RESERVOIR CAPACITY @ 5292 1934.35 TOTAL DEAD STORAGE 3.05
Dam Construction Type:	Earth Fill
End-of-Month Storage Records:	No
Water Rights:	((Source: Tabulation of Adjudicated Surface Water Rights of the State of Wyoming, Water Division Number Two, Oct. 1999.)
	Reservoir Permit Number Permitted Use Priority Date Volume (af) Headgate Location (S-T-R) Muddy Guard No. 2 7598R Fish,I 11-12-1973 1934.4 29-49-082
Designated Use:	Irrigation
Recreational Use:	Fishing
Associated Irrigation Diversions:	(Source: Carmine LoGuidice, Div. II water commissioner/hydrographer)
	Diversion Tributary North Fork N. Fork Crazy Woman Harris No. 1 N. Fork Crazy Woman Holt N. Fork Crazy Woman Kennedy N. Fork Crazy Woman Kennedy Pipeline N. Fork Crazy Woman Long Pump N. Fork Crazy Woman
	1,534 acre-feet are permitted for irrigation out of Muddy Guard No. 2 Reservoir.
Associated Industrial Diversions:	None
Operational Discussion:	Supplied by the Thompson & Matthews ditch.
	Muddy Guard No. 2 begins releases with the following timing:
	First release timing, Muddy Guard No. 2 Reservoir
	Wet Year Average Year Dry Year 4th week of July 2nd week of July 2nd week of June
	The reservoir typically ends operation in the first week of October.
	The Wyoming Game and Fish Department has rights to 400 af in the reservoir for the fishery maintained there.
References:	Dave Pelloux, State Engineer's Office Water Div. 2 water commissioner, interviews, 20 Feb. 2001, 28 Feb. 2001.
	Active Dams, State Engineer's Office Safety of Dams Engineering Div. Database, transmitted by Larry Stockdale, Safety of Dams engineering consultant, 16 Feb. 2001.
	Tabulation of Adjudicated Surface Water Rights of the State of Wyoming, Water Division Number Two, Oct. 1999, database transmitted by Rebecca Mathisen, SEO Technical Services Division administrator, 8 Sept. 2000.

Net Evaporative Loss from Muddy Guard No. 2 Reservoir:

Lewis Annual Evaporation (in.)	47
Total Storage (acre-feet)	1,934

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average percent of total storage	56.72	57.55	57.87	60.80	71.16	72.71	68.17	64.03	57.62	57.03	58.79	60.84
Generated storage (acre-feet)	1097	1113	1119	1176	1376	1406	1318	1238	1114	1103	1137	1177
Corresponding area (acres)	37.439	37.439	37.439	37.439	41.505	41.505	41.505	41.505	37.439	37.439	37.439	37.439
Calculations:
Monthly Lewis Evap. (inches)	1.269	1.175	1.833	3.76	5.405	6.157	8.037	7.332	5.405	3.572	1.833	1.222
Monthly Precipitation (inches)	0.25	0.25	0.75	1.75	2.25	2.25	1.25	1.25	1.25	1.25	0.25	0.25
Net Evaporation (inches)	1.019	0.925	1.083	2.01	3.155	3.907	6.787	6.082	4.155	2.322	1.583	0.972	TOTAL
Net Evaporation (acre-feet)	3	3	3	6	11	14	23	21	13	7	5	3	113