Reservoir · Wyoming · United States · USACE CWMS
Kortes Dam & Reservoir
99.7% full
Capacity
5.85 hm³
Volume stored
6 hm³
Coordinates
42.174°N, 106.881°W
Last updated
2026-06-11
Current fill
99.7%vs 7 days ago
+0.2%gaining
vs 1 year ago
+0.2%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: 2026-06-11.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.174, -106.881 · Open in Google Maps
About Kortes Dam & Reservoir
As of June 11, 2026, Kortes Dam & Reservoir is filled to 99.7% of its total capacity, holding roughly 6 hm³ of water out of a maximum 6 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (+0.2 pts), and it sits close to where it was a year earlier.
Across the readings we hold for Kortes Dam & Reservoir — 1819 data points between June 13, 2021 and June 11, 2026 — the level has ranged from a low of 89.6% (September 9, 2025) to a high of 103.6% (June 25, 2023). On average the reservoir is fullest around June and at its lowest around September.
It is operated by USACE primarily for multiple purposes. It lies within the Wyoming basin at 42.174°N, 106.881°W.
Key facts
- Current fill level
- 99.7%
- Water stored
- 6 hm³
- Total capacity
- 6 hm³
- 7-day change
- ▲ 0.2 pts
- Year-on-year
- ▲ 0.2 pts
- Primary use
- Multipurpose
- River basin
- Wyoming
- Operator
- USACE
- Coordinates
- 42.174°N, 106.881°W
- Last updated
- June 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Jun 2026 | 99.7% | 6 |
| 10 Jun 2026 | 99.5% | 6 |
| 9 Jun 2026 | 99.5% | 6 |
| 8 Jun 2026 | 99.7% | 6 |
| 7 Jun 2026 | 99.5% | 6 |
| 6 Jun 2026 | 99.5% | 6 |
| 5 Jun 2026 | 99.7% | 6 |
| 4 Jun 2026 | 99.5% | 6 |
| 3 Jun 2026 | 99.5% | 6 |
| 2 Jun 2026 | 99.7% | 6 |
| 1 Jun 2026 | 99.5% | 6 |
| 31 May 2026 | 99.5% | 6 |
Frequently asked questions
What is the current water level of Kortes Dam & Reservoir?
As of June 11, 2026, Kortes Dam & Reservoir is at 99.7% of its capacity, holding approximately 6 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Kortes Dam & Reservoir reservoir full?
Kortes Dam & Reservoir is essentially full, sitting at 99.7% of capacity as of June 11, 2026.
Is the water level at Kortes Dam & Reservoir rising or falling?
The level at Kortes Dam & Reservoir has been broadly stable over the latest week on record (+0.2 points).
How much water can Kortes Dam & Reservoir hold?
Kortes Dam & Reservoir has a total capacity of 6 hm³.
Where is Kortes Dam & Reservoir reservoir located?
Kortes Dam & Reservoir is located in Wyoming, United States, within the Wyoming basin (coordinates 42.174°N, 106.881°W).
What is Kortes Dam & Reservoir used for?
Kortes Dam & Reservoir is used primarily for multiple purposes, and is managed by USACE.