Reservoir · Arkansas · United States · USACE CWMS
Blakely Mountain Dam
88.1% full
Capacity
2,653.34 hm³
Volume stored
2339 hm³
Coordinates
34.573°N, 93.195°W
Last updated
2026-09-16
Current fill
88.1%vs 7 days ago
-0.3%losing
vs 1 year ago
N/A7-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: 2026-09-16.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 34.573, -93.195 · Open in Google Maps
About Blakely Mountain Dam
As of September 16, 2026, Blakely Mountain Dam is filled to 88.1% of its total capacity, holding roughly 2,339 hm³ of water out of a maximum 2,653 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.3 pts).
Across the readings we hold for Blakely Mountain Dam — 330 data points between September 17, 2021 and September 16, 2026 — the level has ranged from a low of 82.3% (October 24, 2021) to a high of 98.4% (June 26, 2026). On average the reservoir is fullest around April and at its lowest around November.
It is operated by USACE primarily for multiple purposes. It lies within the Arkansas basin at 34.573°N, 93.195°W.
Key facts
- Current fill level
- 88.1%
- Water stored
- 2,339 hm³
- Total capacity
- 2,653 hm³
- 7-day change
- ▼ 0.3 pts
- Primary use
- Multipurpose
- River basin
- Arkansas
- Operator
- USACE
- Coordinates
- 34.573°N, 93.195°W
- Last updated
- September 16, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 16 Sep 2026 | 88.1% | 2,339 |
| 15 Sep 2026 | 88.2% | 2,340 |
| 14 Sep 2026 | 88.3% | 2,342 |
| 13 Sep 2026 | 88.4% | 2,346 |
| 12 Sep 2026 | 88.4% | 2,345 |
| 11 Sep 2026 | 88.4% | 2,345 |
| 10 Sep 2026 | 88.2% | 2,339 |
| 9 Sep 2026 | 88.4% | 2,344 |
| 8 Sep 2026 | 88.5% | 2,348 |
| 7 Sep 2026 | 88.7% | 2,354 |
| 6 Sep 2026 | 88.9% | 2,359 |
| 5 Sep 2026 | 89.0% | 2,362 |