reservoirs.earth logo
Reservoirs.EARTH
Oklahoma

Reservoir · Oklahoma · United States · USACE CWMS

Pensacola (Grand Lake)

94.6% full

Capacity

2,010.58 hm³

Volume stored

1901 hm³

Coordinates

36.472°N, 95.039°W

Last updated

2026-06-11

Current fill

94.6%
High

vs 7 days ago

-1.0%

losing

vs 1 year ago

+3.7%

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: 2026-06-11.

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 June 11, 2026, Pensacola (Grand Lake) is filled to 94.6% of its total capacity, holding roughly 1,901 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 (-1.0 pts), and it is 3.7 points above its level on the same date a year earlier.

Across the readings we hold for Pensacola (Grand Lake) — 273 data points between February 6, 2024 and June 11, 2026 — the level has ranged from a low of 80.1% (March 25, 2026) to a high of 95.8% (June 9, 2026). On average the reservoir is fullest around June and at its lowest around February.

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
94.6%
Water stored
1,901 hm³
Total capacity
2,011 hm³
7-day change
▼ 1.0 pts
Year-on-year
▲ 3.7 pts
Primary use
Multipurpose
River basin
Oklahoma
Operator
USACE
Coordinates
36.472°N, 95.039°W
Last updated
June 11, 2026

Recent readings

DateFill levelVolume (hm³)
11 Jun 202694.6%1,901
10 Jun 202695.6%1,921
9 Jun 202695.8%1,927
8 Jun 202690.0%1,809
7 Jun 202686.1%1,730
6 Jun 202686.2%1,733
5 Jun 202686.6%1,741
4 Jun 202687.2%1,754
3 Jun 202687.5%1,759
2 Jun 202686.6%1,742
1 Jun 202686.5%1,739
31 May 202685.7%1,724

Frequently asked questions

What is the current water level of Pensacola (Grand Lake)?

As of June 11, 2026, Pensacola (Grand Lake) is at 94.6% of its capacity, holding approximately 1,901 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.

Is Pensacola (Grand Lake) reservoir full?

No. As of June 11, 2026, Pensacola (Grand Lake) is high at 94.6% 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 (-1.0 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.

Nearby reservoirs

ShareXLinkedInWhatsApp