Reservoirs.EARTH

← United States

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

Oklahoma

71% average fill

Measured

47

Data pending

2

Volume stored

12,934 hm³

Measured capacity

18,221 hm³

Low level

7

Loading map…

Reservoirs

Sorted by capacity

Eufaula Lake

82.2%2,347 hm³View →

Updated 2026-09-11

Grand Lake o' the Cherokees

82.1%1,650 hm³View →

Updated 2026-09-10

Pensacola (Grand Lake)

81.9%1,647 hm³View →

Updated 2026-09-09

Oologah Lake

52.6%665 hm³View →

Updated 2026-09-11

Broken Bow Lake

90.2%1,021 hm³View →

Updated 2026-09-11

Keystone Lake

43.6%475 hm³View →

Updated 2026-09-11

Fort Gibson Lake

41.5%419 hm³View →

Updated 2026-09-11

Kaw Lake

39.6%390 hm³View →

Updated 2026-09-11

Tenkiller Lake

92.2%744 hm³View →

Updated 2026-09-11

RS Kerr LD15

68.0%441 hm³View →

Updated 2026-09-11

Lake Hudson near Locust Grove

53.8%265 hm³View →

Updated 2026-09-10

Skiatook Lake

91.7%375 hm³View →

Updated 2026-09-11

Sardis Lake

90.6%307 hm³View →

Updated 2026-09-11

Waurika Lake

90.6%213 hm³View →

Updated 2026-09-11

Webbers Falls LD16

63.5%133 hm³View →

Updated 2026-09-11

Foss Reservoir

85.6%178 hm³View →

Updated 2026-09-09

Hugo Lake

71.6%140 hm³View →

Updated 2026-09-11

Wister Lake

32.0%49 hm³View →

Updated 2026-09-11

Lake Thunderbird

77.8%115 hm³View →

Updated 2026-09-09

Mcgee Creek Reservoir

86.5%121 hm³View →

Updated 2026-09-09

Canton Lake

87.0%119 hm³View →

Updated 2026-09-11

Copan Lake

28.8%39 hm³View →

Updated 2026-09-09

Atoka Reservoir

94.5%127 hm³View →

Updated 2026-09-10

Lake of the Arbuckles

64.5%87 hm³View →

Updated 2026-09-09

Stanley Draper Lake

84.6%104 hm³View →

Updated 2026-09-10

Tom Steed Reservoir

61.9%74 hm³View →

Updated 2026-09-09

Pine Creek Lake

29.7%31 hm³View →

Updated 2026-09-11

Fort Cobb Reservoir

77.1%76 hm³View →

Updated 2026-09-09

Lake Eucha

76.8%75 hm³View →

Updated 2026-09-10

Hulah Lake

20.0%19 hm³View →

Updated 2026-09-11

Lake Hefner

74.8%69 hm³View →

Updated 2026-09-10

Lake Ellsworth

27.0%20 hm³View →

Updated 2026-09-10

Lake Lawtonka

79.5%54 hm³View →

Updated 2026-09-10

Salina Pumpback

98.8%59 hm³View →

Updated 2026-09-09

Spavinaw Lake

68.1%32 hm³View →

Updated 2026-09-10

W.D. Mayo LD14

96.6%42 hm³View →

Updated 2026-09-11

Shawnee Reservoir

67.8%29 hm³View →

Updated 2026-09-10

Lake Fuqua

58.4%24 hm³View →

Updated 2026-09-10

Great Salt Plains Lake

63.3%25 hm³View →

Updated 2026-09-11

Arcadia Lake

90.7%31 hm³View →

Updated 2026-09-11

Newt Graham LD18

75.2%22 hm³View →

Updated 2026-09-11

Chouteau LD17

58.8%17 hm³View →

Updated 2026-09-11

Lake Humphreys

56.1%14 hm³View →

Updated 2026-09-10

Birch Lake

86.1%20 hm³View →

Updated 2026-09-11

Heyburn Lake

31.0%6 hm³View →

Updated 2026-09-11

Lake Overholser

67.6%13 hm³View →

Updated 2026-09-10

Fort Supply Lake

75.8%13 hm³View →

Updated 2026-09-11

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

⏳

2 major reservoirs — data sourcing in progress

Storage is monitored by the US Geological Survey (USGS NWIS) / the US Bureau of Reclamation (BOR RISE), but the live feed is currently stale — we are working to restore it. Known capacities: Lake Frederick (0.0 km³), Lake Altus (0.2 km³).

Lake Frederick

Capacity: 14 hm³⏳ Pending

Lake Altus

Capacity: 166 hm³⏳ Pending

About reservoirs in Oklahoma

As of September 11, 2026, the reservoirs we track across Oklahoma that report live levels hold roughly 12,934 hm³ of water — about 71.0% of their combined capacity. Taken together, Oklahoma's reservoirs are within their normal operating range.

Across the region, 7 are low. Salina Pumpback is the fullest at 98.8%, while Hulah Lake is the lowest at 20.0%.

Over the most recent week on record, 2 reservoirs rose and 10 reservoirs fell across Oklahoma.

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

Oklahoma at a glance

Reservoirs tracked: 47
Average fill: 71.0%
Water stored: 12,934 hm³
Combined capacity: 18,221 hm³
Fullest: Salina Pumpback (98.8%)
Lowest: Hulah Lake (20.0%)
Last updated: September 11, 2026

ShareX LinkedIn WhatsApp