Reservoir · Oklahoma · United States · USGS NWIS
Atoka Reservoir
99.5% full
Capacity
134.46 hm³
Volume stored
134 hm³
Coordinates
34.445°N, 96.084°W
Last updated
2026-08-13
Current fill
99.5%vs 7 days ago
-1.2%losing
vs 1 year ago
-5.5%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. 34.445, -96.084 · Open in Google Maps
About Atoka Reservoir
As of August 13, 2026, Atoka Reservoir is filled to 99.5% of its total capacity, holding roughly 134 hm³ of water out of a maximum 134 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 5.5 points below its level on the same date a year earlier.
Across the readings we hold for Atoka Reservoir — 1461 data points between August 14, 2022 and August 13, 2026 — the level has ranged from a low of 79.2% (November 23, 2022) to a high of 105.0% (March 4, 2023). On average the reservoir is fullest around July and at its lowest around December.
It is operated by USGS primarily for multiple purposes. It lies within the Oklahoma basin at 34.445°N, 96.084°W.
Key facts
- Current fill level
- 99.5%
- Water stored
- 134 hm³
- Total capacity
- 134 hm³
- 7-day change
- ▼ 1.2 pts
- Year-on-year
- ▼ 5.5 pts
- Primary use
- Multipurpose
- River basin
- Oklahoma
- Operator
- USGS
- Coordinates
- 34.445°N, 96.084°W
- Last updated
- August 13, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 13 Aug 2026 | 99.5% | 134 |
| 12 Aug 2026 | 99.7% | 134 |
| 11 Aug 2026 | 100.0% | 134 |
| 10 Aug 2026 | 100.1% | 135 |
| 9 Aug 2026 | 100.2% | 135 |
| 8 Aug 2026 | 100.4% | 135 |
| 7 Aug 2026 | 100.5% | 135 |
| 6 Aug 2026 | 100.7% | 135 |
| 5 Aug 2026 | 100.9% | 136 |
| 4 Aug 2026 | 101.1% | 136 |
| 3 Aug 2026 | 101.4% | 136 |
| 2 Aug 2026 | 101.6% | 137 |
Frequently asked questions
What is the current water level of Atoka Reservoir?
As of August 13, 2026, Atoka Reservoir is at 99.5% of its capacity, holding approximately 134 hm³ of water, according to USGS NWIS data.
Is Atoka Reservoir reservoir full?
Atoka Reservoir is essentially full, sitting at 99.5% of capacity as of August 13, 2026.
Is the water level at Atoka Reservoir rising or falling?
The level at Atoka Reservoir has been broadly stable over the latest week on record (-1.2 points).
How much water can Atoka Reservoir hold?
Atoka Reservoir has a total capacity of 134 hm³.
Where is Atoka Reservoir reservoir located?
Atoka Reservoir is located in Oklahoma, United States, within the Oklahoma basin (coordinates 34.445°N, 96.084°W).
What is Atoka Reservoir used for?
Atoka Reservoir is used primarily for multiple purposes, and is managed by USGS.