The reservoir has an active capacity of 31,600 acre-feet. Principal crops are alfalfa, beans, alfalfa seed, sugar beets, barley, oats, wheat, sunflower seeds, and potatoes. The spillway is a concrete chute 100 feet wide, controlled by three automatic radial gates. Access from I-80 via Carbon County Rd. Recreation managed for the Bureau of Reclamation by Wyoming State Parks and Historic Sites. Water for unit lands is delivered through the Wyoming Canal, which leads from Wind River Diversion Dam to Pilot Butte Reservoir and beyond to the distribution system. Brown trout, rainbow trout, and channel catfish are stocked in the river above the reservoir. The area is also popular for rock climbing. Anchor The dam was completed in 1927, for hydropower and flood control. View specific public facilities for this site. The federal government finally entered the irrigation business in 1902, after it became clear that large infusions of public funds were needed to build projects big enough to be effective in the arid West. Recreation is managed for Reclamation by Wyoming Game and Fish Department, Lander Regional Office, 260 Buena Vista, Lander, WY 82520; (307) 332-2688. Other activities include big game and waterfowl hunting in season with Wyoming State hunting license, hiking, watchable wildlife, and horseback riding. The capacity of the spillway is 11,000 cubic feet per second.
Canoes and other small watercraft may be launched from the campground. Pathfinder Reservoir Flows Over the UncontrolledSpillway at Pathfinder Dam, June 17, 2016. A barrier-free fishing pier, restroom, and shelter are located at Black Beach. All the vacant land within the project was withdrawn from entry and construction was begon on the project as an Indian irrigation project. Recreation is managed for the Bureau of Reclamation by the Natrona County Roads, Bridges, and Parks Department, 538 S. Wyoming Blvd., Mills, WY 82644; (307) 235-9325. This pass can be used for admission to facilities and parks that receive benefits and revenues from the Federal Lands Recreation Enhancement Act, like New Melones Lake; however, other Reclamation facilities do not receive revenues through this Act. WyoHistory.org welcomes the support of the following sponsors. Good access via shoreline roads and 3 boat ramps. Gray Reef
A total of 300 miles, 125 miles of lined canal and 85 miles of pipeline, make up the system of laterals. Boating with motors less than 10 horsepower. Located on the North Platte River 30 miles southwest of Casper, in Natrona County. Box 429, Guernsey, WY 82214; (307) 836-2334. Available services include picnic/camping shelters, accessible restroom, and boat ramp. Anchor Dam was built in the 1950s on upper Owl Creek in Wyomings Bighorn Basin. There are 3 campgrounds and 3 boat ramps. It stores water for irrigation and recreation, controls floods, reduces sedimentation in the Guernsey reservoir downstream and produces hydropower. Pathfinder Reservoir Flows Over the Uncontrolled, Missouri Basin and Arkansas-Rio Grande-Texas Gulf, Missouri Basin and Arkansas-Rio Grande-Texas Gulf Home, Reclamation announces fluctuation of Wind River flow downstream of Boysen Dam >>, Breach of Interstate Canal West of Lingle
A barrier-free fishing pier and restroom are located at Gray Reef Dam. Bull Lake has greatly reduced flooding on Bull Lake Creek and contributes to the abatement of floods on the Wind River. Located off U.S. 14A, 15 miles east of Cody. The unit is operated and maintained by the Midvale Irrigation District. View Current Reservoir Data. North Platte National Wildlife Refuge, (managed from Crescent Lake National Wildlife Refuge), 10630 Rd. On February 20, 1906, the State of Wyoming was granted a permit to make a survey for the development of irrigable land. No drinking water. Available services include accessible bridge and walkway to viewing area. Bull Lake Reservoir offers boating and good trout fishing. Located off Wyoming State 114, 3 miles northwest of Deaver. Seminoe State Park, Seminoe Dam Rt., Sinclair, WY 82334; (307) 328-0115. Available services include campsites with tables, windscreens and shelters, group picnic shelters, accessible restrooms and shelters, boat ramps, and primitive camping. No improvements, services, or facilities. Access from U.S. 220 via County roads 406 or 407.
Available species include brown trout, cutthroat trout, rainbow trout, and walleye. Managed by the Bureau of Reclamation, Wyoming Area Office, P.O. State: Wyoming View Current Reservoir Data. Pathfinder
Other activities include swimming, hiking, and watchable wildlife. Digital Antiquity extends our knowledge of the human past and improves the management of our cultural heritage by permanently preserving digital archaeological data and supporting their discovery, access, and reuse. The construction period for Bull Lake Dam was 1936-38. View Current Reservoir Data. A primitive campground is located below the dam. Available species include walleye, brown trout, rainbow trout, and cutthroat trout. Available species include brown trout, cutthroat trout, rainbow trout, and walleye. View specific public facilities for this site. Pilot Butte Reservoir is located 10 miles below Wind River Diversion Dam. The Wyoming Area Office manages over 500,000 acres of land for beneficial uses. The west side of the reservoir features an undisturbed bird sanctuary. View Current Reservoir Data. These multipurpose projects include 20 reservoirs, 3,800 miles of canals and laterals, and 11 operating hydroelectric power plants. Approximately 1,000 surface acres. Bull Lake Dam creates a reservoir of 152,000 acre feet. Six campgrounds, 8 boat ramps, interpretive trail, and marina concession. Shoreline fishing easily accessible. Recreation is managed for Reclamation by Wyoming Game and Fish Department, 2820 State 120, Cody, WY 82414; (307) 527-7125. Access from U.S. 220 via County roads 408 or 410. Located on the North Platte River 4 miles downriver from Pathfinder Dam. It is formed by three earthfill embankments constituting Pilot Butte Dam. Construction of Buffalo Bill Dam, completed in 1910 six miles west of Cody, Wyoming, was the key that opened about 90,000 acres in northwestern Wyoming to irrigated farming. A boat ramp and parking lot are located one-half mile downstream of the dam. The Pathfinder Interpretive Center and 1.7-mile interpretive trail are located near the dam. No drinking water. Located 8 miles west of Cody, on U.S. 14-16-20 (Yellowstone Highway). Hiking and horseback riding. The dam stands today high above a small pool of water. Scenic overlooks and three interpretive nature trails. No overnight camping. Available services include: picnic/camp shelters, accessible restrooms, boat ramp, and primitive camping. It was one of the earliest federal Reclamation Service dams in the West, and convinced agency officials of their ability to do great things.. 
Water surface covers approximately 8,000 acres. Lake Minatare, with a surface area of 2,158 acres and slightly more than 7 miles of shoreline is a part of the North Platte National Wildlife Refuge. Area popular for float-tubing. In 1934, crews from the Civilian Conservation Corps located camps near the reservoir. The spillway is a concrete ogee weir with a capacity of 40,000 cubic feet per second. Box 1630, Mills, WY 82644; (307) 261-5671. Fishing open year-round with State fishing license. No fishing. Unit features are Bull Lake Dam, Pilot Butte Dam, Wind River Diversion Dam, and Pilot Butte Powerplant, together with approximately 100 miles of main canals, 300 miles of laterals, and 644 miles of drains. Fishing year-round with Wyoming State license. Coincidental with the construction of canals and laterals to serve new lands in recent years, major work in draining land already irrigated has been carried out. Waterfowl hunting in season with State license. The dam is located in Utah, but the reservoir stretches north into Wyoming near the town of Green River. The earthfill dam, nearly 2,100 feet long and 190 feet high, was completed in the fall of 1957. Other activities include swimming and watchable wildlife. The main embankment is 63.6 feet high and has a volume of 135,000 cubic yards. Kortes
Adjacent to Seminoe Dam, near the north end of the reservoir, the Morgan Creek drainage area comprises approximately 4,752 acres of forested lands within the Seminoe Mountains. Pilot Canal is 38.2 miles long with a capacity of 1,000 cubic feet per second. Dinosaur interpretive trail is located near Cottonwood Creek Beach. A barrier-free fishing pier and restroom are located at the Mi racle Mile. Ocean Lake, an offstream reservoir located in the center of the irrigated lands about 15 miles northwest of Riverton, is not a storage reservoir, but was created as a result of operation of the Unit. Recreation is managed for the Bureau of Reclamation by Wyoming State Parks and Historic Sites. 
Additional blue-ribbon quality fishing available on Shoshone River above and below reservoir. No boat ramp available due to frequent water surges from Seminoe Dam. Approximately 2.8 million acre-feet of water is released annually. Access from U.S. 220 via Natrona County Hwy.
Recreation is managed for Reclamation by Boysen State Park, Boysen Rt., Shoshoni, WY 82649; (307) 876-2796. The collective storage capacity is more than 4.5 million acre-feet and combined installed power capacity is over 280 megawatts. Buffalo Bill Across from Glando Powerplant below the dam there is a boat ramp giving access to the North Platte River. Available species include brown trout, cutthroat trout, rainbow trout, and walleye. The reservoir is stocked annually with rainbow and cutthroat trout. View Current Reservoir Data. The area is open to the public from Jan. 15 to Sept. 30. There are two main canals in the unit. Lake Minatare State Recreation Area, Box 188, Minatare, NE 69356; (308)783-2911. The diversion dam serves as the headworks to the Wyoming Canal with a capacity of 2,200 cubic feet per second. Unit modifications consist mainly of addition of sediment excluders at the Wyoming Canal headworks, repair of Wind River Diversion Dam, lining for main canals, lining and pipe for laterals, drains, and fish and wildlife facilities. The Wyoming Area Office service area includes the states of Wyoming east of the Continental Divide and extends into western Nebraska. Under its prescribed function as a reregulating reservoir, the water surface elevation of Gray Reef fluctuates widely from nearly full to nearly empty on a daily basis. Approximately 80 surface acres. Access from I-25 via U.S. 26 and County Rd. Glendo Dam Overlook Trail is located north of Glendo Dam. View specific public facilities for this site. The principal storage is provided by Bull Lake Reservoir on Bull Lake Creek. Available services include restroom, picnic tables, primitive boat ramp, primitive camping.
Actual construction began on the main canal in January 1920. Design Credits. tDAR (the Digital Archaeological Record) is the digital repository of the Center for Digital Antiquity, a collaborative organization and university Center at Arizona State University. Fishing year-round with Wyoming State license. Box 1630, Mills, WY 82644; (307) 261-5671. Interpretive signs, barrier-free restroom and picnic shelter are provided.
Other activities include watchable wildlife, big game, and waterfowl hunting in season with Wyoming State license. View Current Reservoir Data. Available species include walleye, yellow perch, and channel catfish.
Approximately 6,000 surface acres. Fish species include trout, bass, perch, ling, bluegill, green sunfish, and crappie. Available species include channel catfish, crappie, small mouth bass, white bass, walleye (15 inch minimum), wipers, and yellow perch. North Platte National Wildlife Refuge (managed from Crescent Lake National Wildlife Refuge), 10630 Rd. Other benefits include flood control, fish and wildlife enhancement, and recreation. The bedrock under the reservoir site is porous, and the reservoir has never held much water. View Current Reservoir Data. Guernsey Glendo State Park has 7 campgrounds, 6 boat ramps, and a marina concession. View information regarding Current Reservoir Data. View specific public facilities for this site. Located off U.S. 26, 15 miles west of Shoshoni. Fishery open year-round with Wyoming State fishing license. A supervisory control system is provided by the Wyoming Area Office for operation of its facilities as well as providing supervisory control for Yellowtail and Canyon Ferry Power plants in Montana and six power plants of the Colorado-Big Thompson Project in Colorado. The Pilot Butte Power Plant is located at the drop from the Wyoming Canal to Pilot Butte Reservoir. Box 1630, Mills, WY 82644; (307) 261-5671. Seminoe State Park provides 3 campgrounds and 3 boat ramps. Guernsey Dam on the North Platte River lies between historic Fort Laramie and Laramie peak and just a few miles from some deep, sandstone ruts on the historic Oregon Trail. Lake Alice, with a surface area of 752 acres and nearly 6 miles of shoreline, lies almost entirely within the North Platte National Wildlife Refuge.
View specific public facilities for this site. Select a ProjectAinsworth UnitAlmena UnitAngostura DivisionArmel UnitBostwick DivisionBoysen UnitCanyon Ferry UnitCedar Bluff UnitCrow Creek Pump UnitDickinson UnitEast Bench UnitFort Clark UnitFrenchman-Cambridge DivisionGarrison Diversion UnitGlen Elder UnitGlendo UnitHanover-Bluff UnitHeart Butte UnitHelena Valley UnitJames DiversionJamestown Dam and ReservoirKeyhole UnitKirwin UnitKortes UnitLower Marias UnitNorth Loup DivisionOwl Creek UnitPick Sloan Missouri Basin ProgramRapid Valley UnitSavage UnitShadehill UnitWebster UnitYellowtail UnitSelect a DamBartley Diversion DamBonny DamBull Lake DamCambridge Diversion DamCulbertson Diversion DamDavis Creek DamEnders DamKent Diversion DamLovewell DamMedicine Creek DamMerritt DamRed Willow Creek Diversion DamRed Willow DamShadehill DamSuperior Courtland Diversion DamTiber DamTrenton DamVirginia Smith DamWebster DamWind River Diversion DamWoodston Diversion DamYellowtail Afterbay DamYellowtail DamSelect a PowerplantPilot Butte PowerplantYellowtail Powerplant, Related Links Water released from Bull Lake Reservoir flows through Bull Lake Creek to the Wind River where it augments the natural flow of that stream. Channel catfish stocked when available. The Miracle Mile Area extends downstream approximately 5.5 miles from the bottom of Kortes Dam to the boundary of the southern management unit of the Pathfinder National Wildlife Refuge. The eventual result was a dozen dams across Wyoming, but crop agriculture here remains scarce. The U.S. Bureau of Reclamation more than doubled its initial costs with subsequent mitigation efforts, which proved unsuccessful. Available services include developed campsites and RV sites with dump stations, drinking water, tables, wind screens, accessible restrooms, and accessible boat ramps. View specific public facilities for this site. Located off U.S. 26, 20 miles west of Riverton. >>, Missouri Basin and Arkansas-Rio Grande-Texas Gulf Regions, Missouri Basin and Arkansas-Rio Grande-Texas Gulf Regions, Billings, MT, Lower Colorado Basin Region, Boulder City, NV, California-Great Basin Region, Sacramento CA, Columbia-Pacific Northwest Region, Boise, ID, Upper Colorado Basin Region, Salt Lake City, UT, Central California Area Office, Folsom, CA, Columbia-Cascades Area Office, Yakima, WA, Eastern Colorado Area Office, Loveland, CO, Klamath Basin Area Office, Klamath Falls, OR, Lahontan Basin Area Office, Carson City, NV, Northern California Area Office, Shasta Lake, CA, South-Central California Area Office, Fresno, CA, Southern California Area Office, Temecula, CA, Upper Colorado Power Office, Salt Lake City, Utah, Western Colorado Area Office, Grand Junction, CO, Dam Safety Officer - Design, Estimating and Construction, Enterprise Information Management & Technology, San Luis (William R. Gianelli) Powerplant *, BCP - Coachella Canal Rehabilitation and Betterment, Boulder Canyon Project - All-American Canal System, Colorado River Basin Salinity Control Project, Colorado River Front Work and Levee System, CRBSCP - Desalting Complex Unit - Title I, CRBSCP - Lower Gunnison Basin Unit - Title II, CRBSCP - Protective and Regulatory Pumping Unit - Title I, High Plains States Groundwater Recharge Demonstration Program Project, Salt River Project - Rehabilitation and Betterment. Eight miles north off I-90 (Exit 165) between Moorcroft and Sundance. Boating with motors less than 10 horsepower. Boysen
With a surface area of 6,100 acres, this lake is famous for its crappie and ling fishing. Construction of the Wind River Diversion Dam was started in July 1921 and completed in 1923. Since the unit lands were largely included in the Wind River Indian Reservation during the earliest days of western development, settlement came comparatively late. Guernsey State Park, P.O. East Newton Lake is a trophy trou t fishery. Following the survey by the State, a private company began construction of an irrigation project in the fall of 1906. Copyright 2018 Digital Antiquity. Below the dam, the river is stocked with brown, rainbow, and cutthroat trout. View specific public facilities for this site. Seminoe, Missouri Basin and Arkansas-Rio Grande-Texas Gulf, Water Operations: Reservoirs, Dams & Hydropower, Missouri Basin and Arkansas-Rio Grande-Texas Gulf Home. Access from I-80 via Carbon County Rd. 407 and Carbon County roads 291 and 351.
Rainbow trout stocked annually in the Miracle Mile. Eleven primitive camping areas in the Miracle Mile.
Access from U.S. 220 via County Rd. The east side is open to the public during daylight hours from May 15 to Sept 30. Fish species include trout, ling, and crappie. Managed by the Bureau of Reclamation, Wyoming Area Office, P.O. A Project of the Wyoming State Historical Society. View specific public facilities for this site. Approximately 800 surface acres. The interpretive trail may be accressed across the historic suspension bridge or from the dam.
View specific public facilities for this site. Open all seasons. Recreation is managed for the Bureau of Reclamation by Wyoming State Parks and Historic Sites. Fish species include trout, walleye, perch, bluegill, green sunfish, and crappie. Guernsey Reservoir is severely drawn down twice a year, which affects fish population densities. Excellent wildlife viewing area, especially wetland and waterfowl species (ducks, pelicans, and sandhill cranes). Rainbow and cutthroat trout are stocked annually in the reservoir. Recreation is managed for Reclamation by Wyoming Game and Fish Department, Lander Regional Office, 260 Buena Vista, Lander, WY 82520; (307) 332-2688. Its construction was slowed by engineering difficulties and labor strife, but when it was finished stood as an engineering marvel, one of the first concrete arch dams built in the United States and the tallest dam in the world at the time. Keyhole Reservoir in northeast Wyoming is operated by the Dakotas Area Office. When completed in June 1909 on the North Platte River, 47 miles southwest of Casper, the granite Pathfinder Dam was a triumph of early 20th century design. In 1869, explorer John Wesley Powell named the red-walled canyon on the Green River in Wyoming Territory Flaming Gorge. The Flaming Gorge Dam, completed in 1964, helps regulate water flows and its power plant generates electricity. Limited access via shoreline roads. Managed by the Bureau of Reclamation, Wyoming Area Office, P.O. On September 25, 1970, Public Law 91-409 reauthorized the project as the Riverton Unit of the Pick-Sloan Missouri Basin Program. The plant was shut down on June 15, 1973, because of high operation and maintenance costs and penstock problems. Open year-round. Approximately 20,000 surface acres. By the act of June 5, 1920, the project was placed under the jurisdiction of the Bureau of Reclamation.
Supplemental storage is provided by Pilot Butte Reservoir, an offstream reservoir supplied with water diverted from Wind River by the Wind River Diversion Dam. Available services include picnic tables, accessible restrooms, primitive boat ramp. The Wyoming Area Office in Mills, Wyoming, manages the Boysen, Glendo, Hanover-Bluff, Kortes, Owl Creek, and Riverton units of the Pick-Sloan Missouri Basin Program, the Shoshone Project in the Bighorn River Basin, and the North Platte and Kendrick Projects in the North Platte River Basin. Tracing its roots to a work camp for men digging irrigation ditches early in the 20th century, Powell, Wyoming, in northern Park County, remains an agricultural hub. Popular local warm and cold-water fishery includes trout, walleye, and catfish. Before Glendo Dam could be built on the North Platte River in Platte County, Wyoming, complicated water-rights disputes had to be settled among Wyoming, Nebraska and Colorado and the settlement approved by the U.S. Supreme Court. The drainage system extends 644 miles, of which 382 miles are closed pipelines. Other activities include watchable wildlife, big game hunting in season with State license, rockhounding, and horseback riding. Available species include bluegill, channel catfish, largemouth bass, walleye (15 inch minimum), and yellow perch. Wyoming Area OfficeReservoir Storage (Teacup Diagrams)Ocean LakeLake CameahwaitPilot Butte Reservoir. As the reservoir is nearly drained during the non-irrigation season, there is no viable sport fishery in the lake. Limited shoreline access via roads. Recreation is managed for Reclamation by Buffalo Bill State Park, 47 Lakeside Rd., Cody, WY 82414; (307) 587-9227. The unit receives its water supply from the Wind River and its tributaries. Access from I-25 via County Rd. 407 and Carbon county Roads 291 and 351. No drinking water. Public use area, camping, picnic areas, trailer dump station, concession, swimming, boating, hiking, and fishing. Wyoming Canal is 62.4 miles long and has a capacity of 1,800 cubic feet per second. View specific public facilities for this site. Water is supplied to 60 irrigation entities for irrigation of 680,000 acres of land and to 20 cities, municipalities, and companies for municipal and industrial purposes. Pilot Butte Located on the North Platte River, 6 miles southeast of the town of Glendo, in Platte County. Available species include walleye, bass, and northern pike. For more information about our sponsors and the people behind WyoHistory.org, visit our About Us page: about Watering a Dry Land: Wyoming and Federal Irrigation, about Anchor Dam and the Reservoir that Wouldn't Hold Water, Carbon County School District No. The Riverton Unit is located in central Wyoming in Fremont County on the ceded portion of the Wind River Indian Reservation. 32f0dd8de5c6a6bbda4cd8bb4dd352485d01eda3 (master), Class III Cultural Resource Inventory of Bureau of Reclamation lands at Seminoe Reservoir, Carbon County Wyoming (2003), A Class III Cultural Resources Inventory for the Proposed installation of a Drip Irrigation System at the Rattlesnake Creek Wetlands Area, Buffalo Bill State Park, Shoshone Project (2003), Recordation of Historic Pilot Butte Dam, Fremont County, Wyoming, Pick-Sloan Missouri River Basin Program, Riverton Unit (2003), Subscribe to Digital Antiquity on Youtube.
The unit is being modified to include relief to water users, construction, betterment of works, land rehabilitation, water conservation, fish and wildlife conservation and development, flood control, and silt control on the entire unit. 2 Recreation Board, Indigenous People in Wyoming and the West, Watering a Dry Land: Wyoming and Federal Irrigation, Anchor Dam and the Reservoir that Wouldn't Hold Water, Green River Historic Preservation Commission, Natrona County Board of Cooperative Educational Services, Natrona County Recreation Joint Powers Board, Sublette County Historical Preservation Board, University of Wyoming School of Energy Resources, Casper Chapter, Wyoming Archaeological Society, June Frison chapter, Wyoming Archeological Society. View specific public facilities for this site. Keyhole No drinking water. 181, Ellsworth, NE 69340; (308) 762-4893. Recreation is managed for the Bureau of Reclamation by Natrona County Roads, Bridges, and Parks Department, 538 S. Wyoming Blvd., Mills, WY 82644; (307) 235-9325. Also known as "Bass Lake". Recreation is managed for Reclamations Dakotas Area Office by Wyoming State Parks, 353 McKean Rd., Moorcroft, WY 82721; (307) 756-3596. Wyoming State fishing license required (special regulations apply). View Current Reservoir Data. The lake has a surface area of 379 acres and approximately 4 miles of shoreline. Walleye, channel catfish, and gizzard shad are stocked in the reservoir annually.