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Fort Supply Reservoir Water Level Today

Also known as Fort Supply Lake

Daily level, distance to full pool and history for Fort Supply Reservoir, on the Wolf Creek in Oklahoma.

Updated · Source: US Army Corps of EngineersUSACE Provisional

Water level Provisional

2,002.95ft

msl · 9:00 AM CST, Nov 9, 2026

  • 1.05 ftbelow full pool (2,004.0 ft)
  • 0.00 ftin 24 h−0.04 ft in 7 days+0.01 ft in 30 days
2,0022,0042,0062,0082,0022,0042,0062,0082,0022,0042,0062,008
  • Full pool
  • 1 yr ago

Is Fort Supply Reservoir full?

No. Fort Supply Reservoir is 1.05 ft below full pool (2,004.0 ft). It is 1.80 ft lower than a year ago (2,004.75 ft on Nov 9, 2025).

Fort Supply Reservoir level history

Full pool 2,004.0 ft
View data table
DateLevel (ft)
Nov 9, 20262,002.95
Nov 8, 20262,002.95
Nov 7, 20262,002.95
Nov 6, 20262,002.94
Nov 5, 20262,002.93
Nov 4, 20262,002.93
Nov 3, 20262,002.94
Nov 2, 20262,002.98
Nov 1, 20262,002.93
Oct 31, 20262,002.91
Oct 30, 20262,002.89
Oct 29, 20262,002.89
Oct 28, 20262,002.87
Oct 27, 20262,002.84
Oct 26, 20262,002.82
Oct 25, 20262,002.83
Oct 24, 20262,002.84
Oct 23, 20262,002.84
Oct 22, 20262,002.84
Oct 21, 20262,002.85
Oct 20, 20262,002.86
Oct 19, 20262,002.87
Oct 18, 20262,002.86
Oct 17, 20262,002.86
Oct 16, 20262,002.86
Oct 15, 20262,002.89
Oct 14, 20262,002.90
Oct 13, 20262,002.91
Oct 12, 20262,002.93
Oct 11, 20262,002.94
Oct 10, 20262,002.94
  • Fort Supply Reservoir level
  • Full pool 2,004.0 ft
  • Above full pool
Source: USACE · Daily averages since 2015

Fort Supply Reservoir on Nov 9 in past years

Fort Supply Reservoir water level on Nov 9 in past years
YearLevel (ft)vs todayvs full pool
2026today2,002.95—−1.05 ft
20252,004.75+1.80+0.75 ft
20242,004.00+1.050.00 ft
20232,004.36+1.41+0.36 ft
20222,002.86−0.09−1.14 ft
20212,004.16+1.21+0.16 ft
20202,003.49+0.54−0.51 ft
20192,004.54+1.59+0.54 ft
20182,004.11+1.16+0.11 ft
20172,004.09+1.14+0.09 ft
20162,002.58−0.37−1.42 ft

Today’s level is the lowest for this date since 2022.

Lake facts

Full pool (conservation pool)
2,004.0 ft msl
Highest since 2015
2,014.89 ftJun 8, 2019
Lowest since 2015
2,002.39 ftOct 24, 2020
Data since
Feb 9, 2015
Dam
Fort Supply Damcompleted 1942
River
Wolf Creek
Operated by
US Army Corps of Engineers, Tulsa District
Dam location
Woodward County
Gauge location
36.5539, −99.5711

Dam, river and owner from the National Inventory of Dams (USACE). Records cover Feb 9, 2015 to today (daily averages).

Fort Supply Reservoir map and depth

  • Dam
  • Level gauge
Shoreline © OpenStreetMap contributors · Open the full map
Average depth when full
about 7 ftcapacity ÷ surface area
Surface area
about 1,710 acresmeasured on the OpenStreetMap outline
Height of Fort Supply Dam
82 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 44°FSSW 5–9 mphSunny
  2. Tonight44°FLowSSW 7 mphClear
  3. Tuesday72°FHighLow 47°FWSW 2–6 mphSunny
  4. Wednesday67°FHighLow 40°FNNW 8–14 mphSunny
  5. Thursday64°FHighLow 36°FNNW 6 mphSunny
  6. Friday59°FHighLow 41°FE 3–7 mphSunny
  7. Saturday67°FHighLow 47°FS 9–15 mphSunny

Forecast: National Weather Service for the dam area (36.55, −99.57). Wind speeds are forecasts, not measurements.

Nearby lakes

Quick answers

What is the full pool level of Fort Supply Reservoir?
2,004.0 ft above mean sea level, the top of its conservation pool. Above it, the extra water is flood storage that is later released downstream through Fort Supply Dam.
How much does Fort Supply Reservoir need to be full?
Fort Supply Reservoir needs 1.05 ft more water to reach full pool (2,004.0 ft), as of Nov 9, 2026.
How deep is Fort Supply Reservoir?
Fort Supply Reservoir is about 7 ft deep on average when full: 12,221 acre-ft of storage spread over about 1,710 acres of surface. As in most reservoirs, the deepest water is in the old river channel near Fort Supply Dam.
Is Fort Supply Reservoir rising or falling?
It is steady: −0.04 ft in the last 7 days and 0.00 ft in 24 hours, to 2,002.95 ft on 9:00 AM CST, Nov 9, 2026 (US Army Corps of Engineers).
When was Fort Supply Reservoir last full?
It was last at or above full pool (2,004.0 ft) on Aug 1, 2026. On Nov 9, 2026 it was 1.05 ft below.
What is the highest level in our data?
Fort Supply Reservoir reached 2,014.89 ft on Jun 8, 2019. The lowest was 2,002.39 ft on Oct 24, 2020 (USACE data since 2015; older records are not in this data set).
How much has Fort Supply Reservoir changed in the last year?
In the last 12 months it ranged from 2,002.82 ft (Oct 26, 2026) to 2,004.87 ft (Mar 10, 2026), a swing of 2.05 ft.
How often is this page updated?
This page is updated several times a day with the latest reading from US Army Corps of Engineers. The last reading is from 9:00 AM CST, Nov 9, 2026.

Where this data comes from

Hourly pool elevation from the US Army Corps of Engineers (water.usace.army.mil). Recent readings are provisional and may be revised. 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.