Reservoir · Oklahoma · United States · USGS NWIS
Spavinaw Lake
67.7% full
Capacity
46.87 hm³
Volume stored
32 hm³
Coordinates
36.383°N, 95.048°W
Last updated
2026-08-13
Current fill
67.7%vs 7 days ago
-0.6%losing
vs 1 year ago
-1.7%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. 36.383, -95.048 · Open in Google Maps
About Spavinaw Lake
As of August 13, 2026, Spavinaw Lake is filled to 67.7% of its total capacity, holding roughly 32 hm³ of water out of a maximum 47 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has held broadly steady (-0.6 pts), and it is 1.7 points below its level on the same date a year earlier.
Across the readings we hold for Spavinaw Lake — 1460 data points between August 14, 2022 and August 13, 2026 — the level has ranged from a low of 66.9% (November 15, 2022) to a high of 83.6% (March 24, 2023). On average the reservoir is fullest around May and at its lowest around October.
It is operated by USGS primarily for multiple purposes. It lies within the Oklahoma basin at 36.383°N, 95.048°W.
Key facts
- Current fill level
- 67.7%
- Water stored
- 32 hm³
- Total capacity
- 47 hm³
- 7-day change
- ▼ 0.6 pts
- Year-on-year
- ▼ 1.7 pts
- Primary use
- Multipurpose
- River basin
- Oklahoma
- Operator
- USGS
- Coordinates
- 36.383°N, 95.048°W
- Last updated
- August 13, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 13 Aug 2026 | 67.7% | 32 |
| 12 Aug 2026 | 67.7% | 32 |
| 11 Aug 2026 | 67.8% | 32 |
| 10 Aug 2026 | 67.9% | 32 |
| 9 Aug 2026 | 68.1% | 32 |
| 8 Aug 2026 | 68.2% | 32 |
| 7 Aug 2026 | 68.2% | 32 |
| 6 Aug 2026 | 68.3% | 32 |
| 5 Aug 2026 | 68.2% | 32 |
| 4 Aug 2026 | 68.4% | 32 |
| 3 Aug 2026 | 68.6% | 32 |
| 2 Aug 2026 | 68.8% | 32 |
Frequently asked questions
What is the current water level of Spavinaw Lake?
As of August 13, 2026, Spavinaw Lake is at 67.7% of its capacity, holding approximately 32 hm³ of water, according to USGS NWIS data.
Is Spavinaw Lake reservoir full?
No. As of August 13, 2026, Spavinaw Lake is within its normal operating range at 67.7% of its capacity, so it is not full.
Is the water level at Spavinaw Lake rising or falling?
The level at Spavinaw Lake has been broadly stable over the latest week on record (-0.6 points).
How much water can Spavinaw Lake hold?
Spavinaw Lake has a total capacity of 47 hm³.
Where is Spavinaw Lake reservoir located?
Spavinaw Lake is located in Oklahoma, United States, within the Oklahoma basin (coordinates 36.383°N, 95.048°W).
What is Spavinaw Lake used for?
Spavinaw Lake is used primarily for multiple purposes, and is managed by USGS.