Reservoir · Oklahoma · United States · BOR RISE
Lake of the Arbuckles
Lake of the Arbuckles and Arbuckle Dam
65.2% full
Capacity
134.25 hm³
Volume stored
88 hm³
Vs month average
102% of normal
Coordinates
34.431°N, 97.031°W
Last updated
2026-10-28
Current fill
65.2%vs 7 days ago
-0.3 pplosing
vs 1 year ago
-2.5 ppyear-over-year
7-day trend
→stable
Drought context
Storage vs October average
102%of normal
65.2% full on 2026-10-28, against an average of 64.0% for October across 6 years of readings (+1.2 points).
Drought Monitor at this site · 27 October 2026
D0abnormally dry
The ground at Lake of the Arbuckles's coordinates falls inside the D0 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: BOR RISE — US Bureau of Reclamation — 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: 2026-10-28.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 34.431°N, 97.031°W · Open in Google Maps
About Lake of the Arbuckles
As of October 28, 2026, Lake of the Arbuckles is filled to 65.2% of its total capacity, holding 87.59 hm³ of water out of a maximum 134.25 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 (-0.3 pp), and it is 2.5 points below its level on the same date a year earlier.
Across the readings we hold for Lake of the Arbuckles — 1825 data points between October 30, 2021 and October 28, 2026 — the level has ranged from a low of 58.8% (February 3, 2023) to a high of 85.8% (April 28, 2024). On average the reservoir is fullest around June and at its lowest around January.
It is operated by BOR primarily for multiple purposes. It is at 34.431°N, 97.031°W.
Key facts
- Current fill level
- 65.2% of total capacity
- Water stored
- 87.59 hm³
- Total capacity
- 134.25 hm³
- 7-day change
- ▼ 0.3 pp
- Year-on-year
- ▼ 2.5 pp
- Primary use
- Multipurpose
- Operator
- BOR
- Coordinates
- 34.431°N, 97.031°W
- Last updated
- October 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Oct 2026 | 65.2% | 87.59 |
| 27 Oct 2026 | 65.3% | 87.65 |
| 26 Oct 2026 | 65.3% | 87.68 |
| 25 Oct 2026 | 65.4% | 87.74 |
| 24 Oct 2026 | 65.4% | 87.79 |
| 23 Oct 2026 | 65.4% | 87.82 |
| 22 Oct 2026 | 65.5% | 87.91 |
| 21 Oct 2026 | 65.5% | 87.93 |
| 20 Oct 2026 | 65.5% | 87.93 |
| 19 Oct 2026 | 65.5% | 87.96 |
| 18 Oct 2026 | 65.5% | 87.96 |
| 17 Oct 2026 | 65.5% | 87.93 |