Reservoir · Kansas · United States · USACE CWMS
Elk City Lake
78.2% full
Capacity
56.89 hm³
Volume stored
45 hm³
Coordinates
37.278°N, 95.777°W
Last updated
2026-06-11
Current fill
78.2%vs 7 days ago
-3.2%losing
vs 1 year ago
-26.8%year-over-year
7-day trend
↓falling
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: 2026-06-11.
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 June 11, 2026, Elk City Lake is filled to 78.2% of its total capacity, holding roughly 45 hm³ of water out of a maximum 57 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has fallen by 3.2 percentage points, and it is 26.8 points below its level on the same date a year earlier.
Across the readings we hold for Elk City Lake — 125 data points between July 22, 2021 and June 11, 2026 — the level has ranged from a low of 75.8% (May 14, 2026) to a high of 105.0% (April 4, 2026). On average the reservoir is fullest around July and at its lowest around February.
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
- 78.2%
- Water stored
- 45 hm³
- Total capacity
- 57 hm³
- 7-day change
- ▼ 3.2 pts
- Year-on-year
- ▼ 26.8 pts
- Primary use
- Multipurpose
- River basin
- Kansas
- Operator
- USACE
- Coordinates
- 37.278°N, 95.777°W
- Last updated
- June 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Jun 2026 | 78.2% | 45 |
| 10 Jun 2026 | 81.4% | 46 |
| 9 Jun 2026 | 84.7% | 48 |
| 8 Jun 2026 | 87.5% | 50 |
| 7 Jun 2026 | 85.1% | 48 |
| 6 Jun 2026 | 79.9% | 45 |
| 5 Jun 2026 | 79.3% | 45 |
| 4 Jun 2026 | 81.1% | 46 |
| 3 Jun 2026 | 81.4% | 46 |
| 2 Jun 2026 | 81.4% | 46 |
| 1 Jun 2026 | 83.6% | 48 |
| 31 May 2026 | 86.1% | 49 |
Frequently asked questions
What is the current water level of Elk City Lake?
As of June 11, 2026, Elk City Lake is at 78.2% of its capacity, holding approximately 45 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Elk City Lake reservoir full?
No. As of June 11, 2026, Elk City Lake is within its normal operating range at 78.2% of its capacity, so it is not full.
Is the water level at Elk City Lake rising or falling?
The level at Elk City Lake is falling — it dropped 3.2 percentage points over the latest week on record.
How much water can Elk City Lake hold?
Elk City Lake has a total capacity of 57 hm³.
Where is Elk City Lake reservoir located?
Elk City Lake is located in Kansas, United States, within the Kansas basin (coordinates 37.278°N, 95.777°W).
What is Elk City Lake used for?
Elk City Lake is used primarily for multiple purposes, and is managed by USACE.