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Lake Hefner Water Level Today

Daily level, distance to full pool and history for Lake Hefner, on the Bluff Creek (llenado por el canal desde Canton Lake) in Oklahoma.

Updated · Source: NWS gauge HEFO2 Provisional

Water level Provisional

1,199.45ft

msl · 8:45 AM CST, Nov 9, 2026

  • 0.45 ftabove full pool (1,199.0 ft)
  • −0.04 ftin 24 h+0.23 ft in 7 days+6.92 ft in 30 days
1,1961,1981,2001,2021,1961,1981,2001,202
  • Full pool
  • 1 yr ago

Is Lake Hefner full?

Yes. Lake Hefner is at full pool and 0.45 ft into its flood pool.

Lake Hefner level history

Full pool 1,199.0 ft
View data table
DateLevel (ft)
Nov 9, 20261,199.45
Nov 8, 20261,199.48
Nov 7, 20261,199.51
Nov 6, 20261,199.47
Nov 5, 20261,199.42
Nov 4, 20261,199.35
Nov 3, 20261,199.30
Nov 2, 20261,199.22
Nov 1, 20261,199.13
Oct 31, 20261,199.04
Oct 30, 20261,198.94
Oct 29, 20261,198.85
Oct 28, 20261,198.77
Oct 27, 20261,198.68
Oct 26, 20261,198.59
Oct 25, 20261,198.46
Oct 24, 20261,198.33
Oct 23, 20261,198.18
Oct 22, 20261,197.96
Oct 21, 20261,197.68
Oct 20, 20261,197.24
Oct 19, 20261,196.67
Oct 18, 20261,196.14
Oct 17, 20261,195.58
Oct 16, 20261,194.87
Oct 15, 20261,194.01
Oct 14, 20261,192.87
Oct 13, 20261,192.44
Oct 12, 20261,192.47
Oct 11, 20261,192.50
Oct 10, 20261,192.53
  • Lake Hefner level
  • Full pool 1,199.0 ft
  • Above full pool
Source: NOAA NWPS · Daily averages since 2010

Lake Hefner on Nov 9 in past years

Lake Hefner water level on Nov 9 in past years
YearLevel (ft)vs todayvs full pool
2026today1,199.45—+0.45 ft
20251,197.26−2.19−1.74 ft
20241,198.20−1.25−0.80 ft
20231,196.89−2.56−2.11 ft
20221,194.25−5.20−4.75 ft
20211,197.53−1.92−1.47 ft
20201,199.85+0.40+0.85 ft
20191,199.84+0.39+0.84 ft
20181,199.98+0.53+0.98 ft
20171,199.11−0.34+0.11 ft
20161,193.03−6.42−5.97 ft

Today’s level is the highest for this date since 2020.

Lake facts

Full pool (conservation pool)
1,199.0 ft msl
Highest since 2010
1,201.05 ftJun 8, 2013
Lowest since 2010
1,182.28 ftJan 28, 2013
Data since
Dec 7, 2010
Dam
Hefner Damcompleted 1943
River
Bluff Creek (llenado por el canal desde Canton Lake)
Owned by
Oklahoma City Water Utilities Trust
Dam location
Oklahoma County
Gauge location
35.5828, −97.5956

Dam, river and owner from the National Inventory of Dams (USACE). Records cover Dec 7, 2010 to today (daily averages).

Lake Hefner map and depth

  • Dam
  • Level gauge
Shoreline © OpenStreetMap contributors · Open the full map
Average depth when full
about 28 ftcapacity ÷ surface area
Surface area
about 2,470 acresmeasured on the OpenStreetMap outline
Height of Hefner Dam
112 ftNational Inventory of Dams

The outline shows the mapped shoreline, not today’s water line: when the lake is low, the water stands back from it.

Weather on the lake

  1. Today72°FHighLow 55°FSSW 8 mphSunny
  2. Tonight55°FLowSSW 8 mphMostly Clear
  3. Tuesday75°FHighLow 57°FSSW 9 mphSunny
  4. Wednesday70°FHighLow 47°FNW 7–13 mphSunny
  5. Thursday64°FHighLow 40°FNNW 8 mphSunny
  6. Friday57°FHighLow 43°FNNE 7 mphSunny
  7. Saturday64°FHighLow 51°FS 8–13 mphSunny

Forecast: National Weather Service for the dam area (35.58, −97.60). Wind speeds are forecasts, not measurements.

Nearby lakes

Quick answers

What is the full pool level of Lake Hefner?
1,199.0 ft above mean sea level, the top of its conservation pool. Above it, water is released or flows over the spillway of Hefner Dam.
Is Lake Hefner above full pool?
Yes. On Nov 9, 2026 it was 0.45 ft above full pool, in the flood pool. Operators release that water downstream when conditions allow.
How deep is Lake Hefner?
Lake Hefner is about 28 ft deep on average when full: 69,893 acre-ft of storage spread over about 2,470 acres of surface. As in most reservoirs, the deepest water is in the old river channel near Hefner Dam.
Is Lake Hefner rising or falling?
It is rising: +0.23 ft in the last 7 days and −0.04 ft in 24 hours, to 1,199.45 ft on 8:45 AM CST, Nov 9, 2026 (NOAA National Water Prediction Service).
What is the highest level in our data?
Lake Hefner reached 1,201.05 ft on Jun 8, 2013. The lowest was 1,182.28 ft on Jan 28, 2013 (NOAA NWPS data since 2010; older records are not in this data set).
How much has Lake Hefner changed in the last year?
In the last 12 months it ranged from 1,189.35 ft (Sep 23, 2026) to 1,199.55 ft (Apr 2, 2026), a swing of 10.20 ft.
How often is this page updated?
This page is updated several times a day with the latest reading from NOAA National Water Prediction Service. The last reading is from 8:45 AM CST, Nov 9, 2026.

Where this data comes from

Lake level reported by Oklahoma City Water Utilities Trust through the National Weather Service (gauge HEFO2, water.noaa.gov); history from the Iowa Environmental Mesonet archive of the same reports. Recent readings are provisional. Weather from the National Weather Service. Dam details from the National Inventory of Dams.

Lake Levels Daily is an independent site, not affiliated with TWDB, LCRA, USACE, USGS, NOAA, TVA or any lake operator. Check official sources before making safety decisions.