Reservoirs.EARTH

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State · United States · USGS · BOR · USACE · CDEC

Oklahoma

85.7% average fill

Measured

53

Data pending

5

Volume stored

16,165 hm³

Measured capacity

18,860 hm³

Low level

5

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Reservoirs

Sorted by capacity

Eufaula Lake

101.2%2,888 hm³View →

Updated 2026-06-11

Lake O' the Cherokees at Langley, OK

94.8%1,907 hm³View →

Updated 2026-06-11

Pensacola (Grand Lake)

94.6%1,901 hm³View →

Updated 2026-06-11

Broken Bow Lake

99.4%1,126 hm³View →

Updated 2026-06-11

Ft. Gibson Lake

58.8%591 hm³View →

Updated 2026-06-11

Keystone Lake

57.6%577 hm³View →

Updated 2026-06-11

Oologah Lake

77.9%762 hm³View →

Updated 2026-06-11

Tenkiller Lake

105.0%881 hm³View →

Updated 2026-06-11

RS Kerr LD15

71.1%461 hm³View →

Updated 2026-06-11

Kaw Lake

94.1%472 hm³View →

Updated 2026-06-11

Lake Hudson near Locust Grove, OK

65.4%322 hm³View →

Updated 2026-06-11

Skiatook Lake

90.6%370 hm³View →

Updated 2026-06-11

Sardis Lake

98.5%333 hm³View →

Updated 2026-06-11

Hugo Lake

66.2%214 hm³View →

Updated 2026-06-11

Lake Hudson

105.0%320 hm³View →

Updated 2026-06-11

Wister Lake

51.3%124 hm³View →

Updated 2026-06-11

Waurika Lake

101.8%239 hm³View →

Updated 2026-06-11

Webbers Falls LD16

63.9%134 hm³View →

Updated 2026-06-11

Foss Lake

94.1%196 hm³View →

Updated 2026-06-11

Foss Reservoir and Dam

93.7%195 hm³View →

Updated 2026-06-10

Lake Altus at Lugert, OK

25.1%42 hm³View →

Updated 2026-06-11

Altus Lake

24.9%41 hm³View →

Updated 2026-06-11

Lake Altus and Altus Dam

25.5%42 hm³View →

Updated 2026-05-11

Lake Thunderbird

83.8%124 hm³View →

Updated 2026-06-11

Lake Thunderbird and Norman Dam

83.8%124 hm³View →

Updated 2026-06-10

McGee Creek Reservoir near Farris, OK

94.0%131 hm³View →

Updated 2026-06-11

Mcgee Creek Reservoir and Dam

94.0%132 hm³View →

Updated 2026-06-10

Canton Lake

99.4%137 hm³View →

Updated 2026-06-11

Atoka Reservoir near Stringtown, OK

99.1%133 hm³View →

Updated 2026-06-11

Arbuckle Lake

69.0%93 hm³View →

Updated 2026-06-11

Lake of the Arbuckles and Arbuckle Dam

68.7%92 hm³View →

Updated 2026-06-10

Stanley Draper Lake near Oklahoma City, OK

90.8%112 hm³View →

Updated 2026-06-11

Tom Steed Lake

74.9%90 hm³View →

Updated 2026-06-11

Tom Steed Reservoir and Mountain Park Dam

75.0%90 hm³View →

Updated 2026-06-10

Ft. Cobb Lake

87.3%86 hm³View →

Updated 2026-06-11

Fort Cobb Reservoir and Dam

87.3%86 hm³View →

Updated 2026-06-10

Lake Eucha near Eucha, OK

83.1%82 hm³View →

Updated 2026-06-11

Lake Hefner at Oklahoma City, OK

95.6%88 hm³View →

Updated 2026-06-11

Lake Ellsworth near Elgin, OK

39.3%29 hm³View →

Updated 2026-06-11

Lake Lawtonka near Lawton, OK

85.7%58 hm³View →

Updated 2026-06-11

Great Salt Plains Lake

56.5%34 hm³View →

Updated 2026-06-11

Salina Pumpback

75.8%45 hm³View →

Updated 2026-06-11

Copan Lake

85.2%46 hm³View →

Updated 2026-06-11

Spavinaw Lake at Spavinaw, OK

71.0%33 hm³View →

Updated 2026-06-11

Shawnee Reservoir at Shawnee, OK

74.5%32 hm³View →

Updated 2026-06-11

Lake Fuqua near Duncan, OK

65.0%27 hm³View →

Updated 2026-06-11

Hulah Lake

59.8%23 hm³View →

Updated 2026-06-11

Newt Graham LD18

76.4%22 hm³View →

Updated 2026-06-11

Lake Humphreys near Duncan, OK

61.8%15 hm³View →

Updated 2026-06-11

Birch Lake

95.5%23 hm³View →

Updated 2026-06-11

Heyburn Lake

38.5%8 hm³View →

Updated 2026-06-11

Lake Overholser near Oklahoma City, OK

89.6%17 hm³View →

Updated 2026-06-11

Ft. Supply Lake

95.3%16 hm³View →

Updated 2026-06-11

Storage from official US gauges (USGS, USACE, Bureau of Reclamation, CDEC). Fill % uses design capacity from the National Inventory of Dams where available; a few sites without a match fall back to the 5-year maximum.

Major reservoirs — data pending

⏳

5 major reservoirs — data sourcing in progress

Storage is monitored by the US Geological Survey (USGS NWIS) / the US Army Corps of Engineers (USACE CWMS), but the live feed is currently stale — we are working to restore it. Known capacities: Lake Frederick nr Frederick, OK (0.0 km³), Arcadia Lake (0.0 km³), Chouteau LD17 (0.0 km³), Pine Creek Lake (0.2 km³), W.D. Mayo LD14 (0.0 km³).

Lake Frederick nr Frederick, OK

Sourcing

Capacity: 21 hm³⏳ Pending

Arcadia Lake

Sourcing

Capacity: 34 hm³⏳ Pending

Chouteau LD17

Sourcing

Capacity: 29 hm³⏳ Pending

Pine Creek Lake

Sourcing

Capacity: 165 hm³⏳ Pending

W.D. Mayo LD14

Sourcing

Capacity: 44 hm³⏳ Pending

About reservoirs in Oklahoma

As of June 11, 2026, the reservoirs we track across Oklahoma that report live levels hold roughly 16,165 hm³ of water — about 85.7% of their combined capacity. Taken together, Oklahoma's reservoirs are high.

Across the region, 5 are low. Lake Hudson is the fullest at 105.0%, while Altus Lake is the lowest at 24.9%.

Over the most recent week on record, 2 reservoirs rose and 4 reservoirs fell across Oklahoma.

Storage figures for Oklahoma come from USGS · USACE · BOR · CDEC; the most recent reading is from June 11, 2026. Each reservoir below links to its own page with full history and seasonal context.

Oklahoma at a glance

Reservoirs tracked: 53
Average fill: 85.7%
Water stored: 16,165 hm³
Combined capacity: 18,860 hm³
Fullest: Lake Hudson (105.0%)
Lowest: Altus Lake (24.9%)
Last updated: June 11, 2026

Frequently asked questions

How full are reservoirs in Oklahoma right now?

As of June 11, 2026, the reservoirs tracked in Oklahoma that report live levels are 85.7% full overall, holding about 16,165 hm³ of water.

How many reservoirs are there in Oklahoma?

reservoirs.earth tracks 53 reservoirs in Oklahoma, with a combined storage capacity of 18,860 hm³.

Which reservoir in Oklahoma is the fullest?

Lake Hudson is currently the fullest reservoir in Oklahoma, at 105.0% of capacity.

Which reservoir in Oklahoma is the lowest?

Altus Lake is currently the lowest in Oklahoma, at 24.9% of capacity.

Where does the reservoir data for Oklahoma come from?

All storage figures for Oklahoma come from USGS · USACE · BOR · CDEC, an official source, last updated June 11, 2026.

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