Reservoir · Wyoming · United States · USACE CWMS
Guernsey Dam & Reservoir
Current fill: N/A
Capacity
56.26 hm³
Volume stored
N/A
Coordinates
42.291°N, 104.764°W
Station not currently reporting
The most recent storage reading from this gauge is from 2025-04-27, more than 45 days ago, so the current fill is shown as N/A. The history below reflects that older reading.
Current fill
N/Avs 7 days ago
N/Avs 1 year ago
N/A7-day trend
N/AData 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.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.291, -104.764 · Open in Google Maps
About Guernsey Dam & Reservoir
It is operated by USACE primarily for multiple purposes. It lies within the Wyoming basin at 42.291°N, 104.764°W.
Key facts
- Total capacity
- 56 hm³
- Primary use
- Multipurpose
- River basin
- Wyoming
- Operator
- USACE
- Coordinates
- 42.291°N, 104.764°W
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 27 Apr 2025 | 63.3% | 36 |
| 26 Apr 2025 | 63.5% | 36 |
| 25 Apr 2025 | 63.5% | 36 |
| 24 Apr 2025 | 63.3% | 36 |
| 23 Apr 2025 | 63.4% | 36 |
| 22 Apr 2025 | 63.5% | 36 |
| 21 Apr 2025 | 63.3% | 36 |
| 20 Apr 2025 | 62.9% | 35 |
| 19 Apr 2025 | 62.7% | 35 |
| 18 Apr 2025 | 62.5% | 35 |
| 17 Apr 2025 | 62.0% | 35 |
| 16 Apr 2025 | 61.0% | 34 |
Frequently asked questions
How much water can Guernsey Dam & Reservoir hold?
Guernsey Dam & Reservoir has a total capacity of 56 hm³.
Where is Guernsey Dam & Reservoir reservoir located?
Guernsey Dam & Reservoir is located in Wyoming, United States, within the Wyoming basin (coordinates 42.291°N, 104.764°W).
What is Guernsey Dam & Reservoir used for?
Guernsey Dam & Reservoir is used primarily for multiple purposes, and is managed by USACE.