Reservoir · Oklahoma · United States · USGS NWIS
Grand Lake o' the Cherokees
84.8% full
Capacity
2,010.58 hm³
Volume stored
1705 hm³
Coordinates
36.469°N, 95.041°W
Last updated
2026-08-13
Current fill
84.8%vs 7 days ago
-1.2%losing
vs 1 year ago
+1.1%year-over-year
7-day trend
→stable
Data source: USGS National Water Information System (NWIS) — 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: 2026-08-13.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 36.469, -95.041 · Open in Google Maps
About Grand Lake o' the Cherokees
As of August 13, 2026, Grand Lake o' the Cherokees is filled to 84.8% of its total capacity, holding roughly 1,705 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 (-1.2 pts), and it is 1.1 points above its level on the same date a year earlier.
Across the readings we hold for Grand Lake o' the Cherokees — 1461 data points between August 14, 2022 and August 13, 2026 — the level has ranged from a low of 79.1% (February 21, 2025) to a high of 105.0% (June 8, 2025). On average the reservoir is fullest around June and at its lowest around October.
It is operated by USGS primarily for multiple purposes. It lies within the Oklahoma basin at 36.469°N, 95.041°W.
Key facts
- Current fill level
- 84.8%
- Water stored
- 1,705 hm³
- Total capacity
- 2,011 hm³
- 7-day change
- ▼ 1.2 pts
- Year-on-year
- ▲ 1.1 pts
- Primary use
- Multipurpose
- River basin
- Oklahoma
- Operator
- USGS
- Coordinates
- 36.469°N, 95.041°W
- Last updated
- August 13, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 13 Aug 2026 | 84.8% | 1,705 |
| 12 Aug 2026 | 85.0% | 1,710 |
| 11 Aug 2026 | 85.4% | 1,717 |
| 10 Aug 2026 | 85.5% | 1,718 |
| 9 Aug 2026 | 85.4% | 1,717 |
| 8 Aug 2026 | 85.7% | 1,723 |
| 7 Aug 2026 | 86.0% | 1,728 |
| 6 Aug 2026 | 86.0% | 1,728 |
| 5 Aug 2026 | 85.9% | 1,727 |
| 4 Aug 2026 | 85.9% | 1,727 |
| 3 Aug 2026 | 86.0% | 1,728 |
| 2 Aug 2026 | 85.8% | 1,726 |
Frequently asked questions
What is the current water level of Grand Lake o' the Cherokees?
As of August 13, 2026, Grand Lake o' the Cherokees is at 84.8% of its capacity, holding approximately 1,705 hm³ of water, according to USGS NWIS data.
Is Grand Lake o' the Cherokees reservoir full?
No. As of August 13, 2026, Grand Lake o' the Cherokees is high at 84.8% of its capacity, so it is not full.
Is the water level at Grand Lake o' the Cherokees rising or falling?
The level at Grand Lake o' the Cherokees has been broadly stable over the latest week on record (-1.2 points).
How much water can Grand Lake o' the Cherokees hold?
Grand Lake o' the Cherokees has a total capacity of 2,011 hm³.
Where is Grand Lake o' the Cherokees reservoir located?
Grand Lake o' the Cherokees is located in Oklahoma, United States, within the Oklahoma basin (coordinates 36.469°N, 95.041°W).
What is Grand Lake o' the Cherokees used for?
Grand Lake o' the Cherokees is used primarily for multiple purposes, and is managed by USGS.