Reservoir · Kansas · United States · USACE CWMS
Elk City Lake
33.0% full
Capacity
116.93 hm³
Volume stored
39 hm³
Coordinates
37.278°N, 95.777°W
Last updated
2026-09-09
Current fill
33.0%vs 7 days ago
-0.8%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: 2026-09-09.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 37.278, -95.777 · Open in Google Maps
About Elk City Lake
As of September 9, 2026, Elk City Lake is filled to 33.0% of its total capacity, holding roughly 39 hm³ of water out of a maximum 117 hm³. At this level the reservoir is low.
Over the most recent week on record the fill level has held broadly steady (-0.8 pts).
Across the readings we hold for Elk City Lake — 94 data points between June 6, 2026 and September 9, 2026 — the level has ranged from a low of 33.0% (September 9, 2026) to a high of 105.0% (June 27, 2026).
It is operated by USACE primarily for multiple purposes. It lies within the Kansas basin at 37.278°N, 95.777°W.
Key facts
- Current fill level
- 33.0%
- Water stored
- 39 hm³
- Total capacity
- 117 hm³
- 7-day change
- ▼ 0.8 pts
- Primary use
- Multipurpose
- River basin
- Kansas
- Operator
- USACE
- Coordinates
- 37.278°N, 95.777°W
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 33.0% | 39 |
| 8 Sep 2026 | 33.2% | 39 |
| 7 Sep 2026 | 33.3% | 39 |
| 6 Sep 2026 | 33.3% | 39 |
| 5 Sep 2026 | 33.4% | 39 |
| 4 Sep 2026 | 33.6% | 39 |
| 3 Sep 2026 | 33.7% | 39 |
| 2 Sep 2026 | 33.8% | 40 |
| 1 Sep 2026 | 33.9% | 40 |
| 31 Aug 2026 | 34.1% | 40 |
| 30 Aug 2026 | 34.2% | 40 |
| 29 Aug 2026 | 34.3% | 40 |