Reservoir · Oklahoma · United States · USACE CWMS
Pensacola (Grand Lake)
85.9% full
Capacity
2,010.58 hm³
Volume stored
1727 hm³
Coordinates
36.472°N, 95.039°W
Last updated
2026-07-30
Current fill
85.9%vs 7 days ago
0.0%stable
vs 1 year ago
-0.3%year-over-year
7-day trend
→stable
Data source: USACE CWMS — US Army Corps of Engineers — daily reservoir storage volume. Capacity is the design (normal full-pool) capacity from the US National Inventory of Dams (NID); fill % = current volume ÷ design capacity. Last reading: 2026-07-30.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 36.472, -95.039 · Open in Google Maps
About Pensacola (Grand Lake)
As of July 30, 2026, Pensacola (Grand Lake) is filled to 85.9% of its total capacity, holding roughly 1,727 hm³ of water out of a maximum 2,011 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it sits close to where it was a year earlier.
Across the readings we hold for Pensacola (Grand Lake) — 53 data points between June 6, 2026 and July 30, 2026 — the level has ranged from a low of 85.5% (July 21, 2026) to a high of 103.7% (June 30, 2026).
It is operated by USACE primarily for multiple purposes. It lies within the Oklahoma basin at 36.472°N, 95.039°W.
Key facts
- Current fill level
- 85.9%
- Water stored
- 1,727 hm³
- Total capacity
- 2,011 hm³
- 7-day change
- No change
- Year-on-year
- ▼ 0.3 pts
- Primary use
- Multipurpose
- River basin
- Oklahoma
- Operator
- USACE
- Coordinates
- 36.472°N, 95.039°W
- Last updated
- July 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Jul 2026 | 85.9% | 1,727 |
| 29 Jul 2026 | 85.9% | 1,727 |
| 28 Jul 2026 | 86.2% | 1,734 |
| 27 Jul 2026 | 86.2% | 1,733 |
| 26 Jul 2026 | 86.3% | 1,735 |
| 25 Jul 2026 | 86.2% | 1,732 |
| 24 Jul 2026 | 85.9% | 1,727 |
| 23 Jul 2026 | 85.6% | 1,722 |
| 22 Jul 2026 | 85.6% | 1,722 |
| 21 Jul 2026 | 85.5% | 1,718 |
| 20 Jul 2026 | 85.6% | 1,721 |
| 19 Jul 2026 | 85.7% | 1,724 |
Frequently asked questions
What is the current water level of Pensacola (Grand Lake)?
As of July 30, 2026, Pensacola (Grand Lake) is at 85.9% of its capacity, holding approximately 1,727 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Pensacola (Grand Lake) reservoir full?
No. As of July 30, 2026, Pensacola (Grand Lake) is high at 85.9% of its capacity, so it is not full.
Is the water level at Pensacola (Grand Lake) rising or falling?
The level at Pensacola (Grand Lake) has been broadly stable over the latest week on record (0.0 points).
How much water can Pensacola (Grand Lake) hold?
Pensacola (Grand Lake) has a total capacity of 2,011 hm³.
Where is Pensacola (Grand Lake) reservoir located?
Pensacola (Grand Lake) is located in Oklahoma, United States, within the Oklahoma basin (coordinates 36.472°N, 95.039°W).
What is Pensacola (Grand Lake) used for?
Pensacola (Grand Lake) is used primarily for multiple purposes, and is managed by USACE.