Reservoir · Wyoming · United States · BOR RISE
Eden Reservoir
Eden Reservoir and Dam
21.7% full
Capacity
17.79 hm³
Volume stored
4 hm³
Coordinates
42.225°N, 109.371°W
Last updated
2026-09-09
Current fill
21.7%vs 7 days ago
-0.7%losing
vs 1 year ago
+10.7%year-over-year
7-day trend
→stable
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: 2026-09-09.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.225, -109.371 · Open in Google Maps
About Eden Reservoir
As of September 9, 2026, Eden Reservoir is filled to 21.7% of its total capacity, holding roughly 4 hm³ of water out of a maximum 18 hm³. At this level the reservoir is low.
Over the most recent week on record the fill level has held broadly steady (-0.7 pts), and it is 10.7 points above its level on the same date a year earlier.
Across the readings we hold for Eden Reservoir — 1824 data points between September 12, 2021 and September 9, 2026 — the level has ranged from a low of 5.3% (January 31, 2022) to a high of 91.2% (June 14, 2024). On average the reservoir is fullest around July and at its lowest around November.
It is operated by BOR primarily for multiple purposes. It lies within the Wyoming basin at 42.225°N, 109.371°W.
Key facts
- Current fill level
- 21.7%
- Water stored
- 4 hm³
- Total capacity
- 18 hm³
- 7-day change
- ▼ 0.7 pts
- Year-on-year
- ▲ 10.7 pts
- Primary use
- Multipurpose
- River basin
- Wyoming
- Operator
- BOR
- Coordinates
- 42.225°N, 109.371°W
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 21.7% | 4 |
| 8 Sep 2026 | 21.8% | 4 |
| 7 Sep 2026 | 21.9% | 4 |
| 6 Sep 2026 | 22.0% | 4 |
| 5 Sep 2026 | 22.1% | 4 |
| 4 Sep 2026 | 22.2% | 4 |
| 3 Sep 2026 | 22.3% | 4 |
| 2 Sep 2026 | 22.4% | 4 |
| 1 Sep 2026 | 22.4% | 4 |
| 31 Aug 2026 | 22.4% | 4 |
| 30 Aug 2026 | 22.5% | 4 |
| 29 Aug 2026 | 22.5% | 4 |