Reservoir · Oklahoma · United States · USACE CWMS
Arcadia Lake
100.5% full
Capacity
34.01 hm³
Volume stored
34 hm³
Coordinates
35.648°N, 97.363°W
Last updated
2026-07-30
Current fill
100.5%vs 7 days ago
0.0%stable
vs 1 year ago
-4.5%year-over-year
7-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: 2026-07-30.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 35.648, -97.363 · Open in Google Maps
About Arcadia Lake
As of July 30, 2026, Arcadia Lake is filled to 100.5% of its total capacity, holding roughly 34 hm³ of water out of a maximum 34 hm³. At this level the reservoir is effectively full.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it is 4.5 points below its level on the same date a year earlier.
Across the readings we hold for Arcadia Lake — 329 data points between July 31, 2021 and July 30, 2026 — the level has ranged from a low of 97.5% (September 29, 2021) to a high of 105.0% (October 15, 2021). On average the reservoir is fullest around June and at its lowest around January.
It is operated by USACE primarily for multiple purposes. It lies within the Oklahoma basin at 35.648°N, 97.363°W.
Key facts
- Current fill level
- 100.5%
- Water stored
- 34 hm³
- Total capacity
- 34 hm³
- 7-day change
- No change
- Year-on-year
- ▼ 4.5 pts
- Primary use
- Multipurpose
- River basin
- Oklahoma
- Operator
- USACE
- Coordinates
- 35.648°N, 97.363°W
- Last updated
- July 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Jul 2026 | 100.5% | 34 |
| 29 Jul 2026 | 100.5% | 34 |
| 28 Jul 2026 | 100.7% | 34 |
| 27 Jul 2026 | 100.9% | 34 |
| 26 Jul 2026 | 101.1% | 34 |
| 25 Jul 2026 | 101.3% | 34 |
| 24 Jul 2026 | 101.4% | 34 |
| 23 Jul 2026 | 101.4% | 35 |
| 22 Jul 2026 | 101.7% | 35 |
| 21 Jul 2026 | 101.9% | 35 |
| 20 Jul 2026 | 102.1% | 35 |
| 19 Jul 2026 | 102.1% | 35 |
Frequently asked questions
What is the current water level of Arcadia Lake?
As of July 30, 2026, Arcadia Lake is at 100.5% of its capacity, holding approximately 34 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Arcadia Lake reservoir full?
Arcadia Lake is essentially full, sitting at 100.5% of capacity as of July 30, 2026.
Is the water level at Arcadia Lake rising or falling?
The level at Arcadia Lake has been broadly stable over the latest week on record (0.0 points).
How much water can Arcadia Lake hold?
Arcadia Lake has a total capacity of 34 hm³.
Where is Arcadia Lake reservoir located?
Arcadia Lake is located in Oklahoma, United States, within the Oklahoma basin (coordinates 35.648°N, 97.363°W).
What is Arcadia Lake used for?
Arcadia Lake is used primarily for multiple purposes, and is managed by USACE.