Reservoir · Oklahoma · United States · USACE CWMS
Hulah Lake
14.4% full
Capacity
127.82 hm³
Volume stored
18 hm³
Vs month average
97% of normal
Coordinates
36.929°N, 96.088°W
Last updated
2026-10-28
Current fill
14.4%vs 7 days ago
-0.2 pplosing
vs 1 year ago
N/A7-day trend
→stable
Drought context
Storage vs October average
97%of normal
14.4% full on 2026-10-28, against an average of 14.9% for October across 2 years of readings (-0.5 points).
Drought Monitor at this site · 20 October 2026
D1moderate drought
The ground at Hulah Lake's coordinates falls inside the D1 area of the weekly U.S. Drought Monitor map. That describes local conditions — rainfall, soil moisture, streamflow — not the reservoir's storage. Oklahoma drought figures →
Data source: USACE CWMS — US Army Corps of Engineers — daily reservoir storage volume. Design capacity is unavailable for this site, so fill % is estimated against the 5-year maximum storage and may overstate fullness. Last reading: 2026-10-28.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 36.929°N, 96.088°W · Open in Google Maps
About Hulah Lake
As of October 28, 2026, Hulah Lake is filled to 14.4% of its total capacity, holding 18.41 hm³ of water out of a maximum 127.82 hm³. At this level the reservoir is critically low.
Over the most recent week on record the fill level has held broadly steady (-0.2 pp).
Across the readings we hold for Hulah Lake — 330 data points between October 29, 2021 and October 28, 2026 — the level has ranged from a low of 14.1% (October 13, 2026) to a high of 100.0% (May 9, 2022). On average the reservoir is fullest around June and at its lowest around October.
It is operated by USACE primarily for multiple purposes. It is at 36.929°N, 96.088°W.
Key facts
- Current fill level
- 14.4% of total capacity
- Water stored
- 18.41 hm³
- Total capacity
- 127.82 hm³
- 7-day change
- ▼ 0.2 pp
- Primary use
- Multipurpose
- Operator
- USACE
- Coordinates
- 36.929°N, 96.088°W
- Last updated
- October 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Oct 2026 | 14.4% | 18.41 |
| 27 Oct 2026 | 14.4% | 18.47 |
| 26 Oct 2026 | 14.4% | 18.47 |
| 25 Oct 2026 | 14.5% | 18.5 |
| 24 Oct 2026 | 14.5% | 18.53 |
| 23 Oct 2026 | 14.5% | 18.56 |
| 22 Oct 2026 | 14.5% | 18.59 |
| 21 Oct 2026 | 14.6% | 18.62 |
| 20 Oct 2026 | 14.6% | 18.62 |
| 19 Oct 2026 | 14.6% | 18.62 |
| 18 Oct 2026 | 14.6% | 18.65 |
| 17 Oct 2026 | 14.6% | 18.68 |