Reservoir · Wyoming · United States · BOR RISE
Glendo Reservoir Dam and Powerplant
46.9% full
Capacity
560.42 hm³
Volume stored
263 hm³
Coordinates
42.477°N, 104.951°W
Last updated
2026-07-28
Current fill
46.9%vs 7 days ago
-2.3%losing
vs 1 year ago
-41.0%year-over-year
7-day trend
↓falling
Data source: BOR RISE — US Bureau of Reclamation — 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: 2026-07-28.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.477, -104.951 · Open in Google Maps
About Glendo Reservoir Dam and Powerplant
As of July 28, 2026, Glendo Reservoir Dam and Powerplant is filled to 46.9% of its total capacity, holding roughly 263 hm³ of water out of a maximum 560 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 2.3 percentage points, and it is 41.0 points below its level on the same date a year earlier.
Across the readings we hold for Glendo Reservoir Dam and Powerplant — 1828 data points between July 31, 2021 and July 28, 2026 — the level has ranged from a low of 20.3% (September 25, 2024) to a high of 105.0% (June 11, 2023). On average the reservoir is fullest around June and at its lowest around September.
It is operated by BOR primarily for multiple purposes. It lies within the Wyoming basin at 42.477°N, 104.951°W.
Key facts
- Current fill level
- 46.9%
- Water stored
- 263 hm³
- Total capacity
- 560 hm³
- 7-day change
- ▼ 2.3 pts
- Year-on-year
- ▼ 41.0 pts
- Primary use
- Multipurpose
- River basin
- Wyoming
- Operator
- BOR
- Coordinates
- 42.477°N, 104.951°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 46.9% | 263 |
| 27 Jul 2026 | 49.2% | 276 |
| 26 Jul 2026 | 51.5% | 288 |
| 25 Jul 2026 | 53.7% | 301 |
| 24 Jul 2026 | 55.8% | 313 |
| 23 Jul 2026 | 57.4% | 322 |
| 22 Jul 2026 | 58.8% | 329 |
| 21 Jul 2026 | 59.9% | 336 |
| 20 Jul 2026 | 61.3% | 344 |
| 19 Jul 2026 | 62.2% | 349 |
| 18 Jul 2026 | 63.4% | 355 |
| 17 Jul 2026 | 64.6% | 362 |
Frequently asked questions
What is the current water level of Glendo Reservoir Dam and Powerplant?
As of July 28, 2026, Glendo Reservoir Dam and Powerplant is at 46.9% of its capacity, holding approximately 263 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Glendo Reservoir Dam and Powerplant reservoir full?
No. As of July 28, 2026, Glendo Reservoir Dam and Powerplant is within its normal operating range at 46.9% of its capacity, so it is not full.
Is the water level at Glendo Reservoir Dam and Powerplant rising or falling?
The level at Glendo Reservoir Dam and Powerplant is falling — it dropped 2.3 percentage points over the latest week on record.
How much water can Glendo Reservoir Dam and Powerplant hold?
Glendo Reservoir Dam and Powerplant has a total capacity of 560 hm³.
Where is Glendo Reservoir Dam and Powerplant reservoir located?
Glendo Reservoir Dam and Powerplant is located in Wyoming, United States, within the Wyoming basin (coordinates 42.477°N, 104.951°W).
What is Glendo Reservoir Dam and Powerplant used for?
Glendo Reservoir Dam and Powerplant is used primarily for multiple purposes, and is managed by BOR.