Reservoir · Colorado · United States · BOR RISE
Ridgway Reservoir
Ridgway Reservoir and Dam
75.3% full
Capacity
104.12 hm³
Volume stored
78 hm³
Coordinates
38.223°N, 107.748°W
Last updated
2026-09-09
Current fill
75.3%vs 7 days ago
-3.8%losing
vs 1 year ago
+6.9%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: 2026-09-09.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 38.223, -107.748 · Open in Google Maps
About Ridgway Reservoir
As of September 9, 2026, Ridgway Reservoir is filled to 75.3% of its total capacity, holding roughly 78 hm³ of water out of a maximum 104 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 3.8 percentage points, and it is 6.9 points above its level on the same date a year earlier.
Across the readings we hold for Ridgway Reservoir — 1824 data points between September 12, 2021 and September 9, 2026 — the level has ranged from a low of 61.0% (May 14, 2023) to a high of 98.9% (June 22, 2024). On average the reservoir is fullest around July and at its lowest around September.
It is operated by BOR primarily for multiple purposes. It lies within the Colorado basin at 38.223°N, 107.748°W.
Key facts
- Current fill level
- 75.3%
- Water stored
- 78 hm³
- Total capacity
- 104 hm³
- 7-day change
- ▼ 3.8 pts
- Year-on-year
- ▲ 6.9 pts
- Primary use
- Multipurpose
- River basin
- Colorado
- Operator
- BOR
- Coordinates
- 38.223°N, 107.748°W
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 75.3% | 78 |
| 8 Sep 2026 | 76.8% | 80 |
| 7 Sep 2026 | 76.8% | 80 |
| 6 Sep 2026 | 76.8% | 80 |
| 5 Sep 2026 | 76.8% | 80 |
| 4 Sep 2026 | 76.8% | 80 |
| 3 Sep 2026 | 77.1% | 80 |
| 2 Sep 2026 | 79.1% | 82 |
| 1 Sep 2026 | 79.1% | 82 |
| 31 Aug 2026 | 79.1% | 82 |
| 30 Aug 2026 | 79.1% | 82 |
| 29 Aug 2026 | 79.1% | 82 |