Reservoir · Colorado · United States · BOR RISE
Mcphee Reservoir
Mcphee Reservoir and Dam
42.1% full
Capacity
469.96 hm³
Volume stored
198 hm³
Coordinates
37.540°N, 108.542°W
Last updated
2026-09-09
Current fill
42.1%vs 7 days ago
0.0%stable
vs 1 year ago
-7.0%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. 37.540, -108.542 · Open in Google Maps
About Mcphee Reservoir
As of September 9, 2026, Mcphee Reservoir is filled to 42.1% of its total capacity, holding roughly 198 hm³ of water out of a maximum 470 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it is 7.0 points below its level on the same date a year earlier.
Across the readings we hold for Mcphee Reservoir — 1824 data points between September 12, 2021 and September 9, 2026 — the level has ranged from a low of 41.3% (September 18, 2021) to a high of 100.1% (June 17, 2023). On average the reservoir is fullest around June and at its lowest around October.
It is operated by BOR primarily for multiple purposes. It lies within the Colorado basin at 37.540°N, 108.542°W.
Key facts
- Current fill level
- 42.1%
- Water stored
- 198 hm³
- Total capacity
- 470 hm³
- 7-day change
- No change
- Year-on-year
- ▼ 7.0 pts
- Primary use
- Multipurpose
- River basin
- Colorado
- Operator
- BOR
- Coordinates
- 37.540°N, 108.542°W
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 42.1% | 198 |
| 8 Sep 2026 | 42.1% | 198 |
| 7 Sep 2026 | 42.1% | 198 |
| 6 Sep 2026 | 42.1% | 198 |
| 5 Sep 2026 | 42.1% | 198 |
| 4 Sep 2026 | 42.1% | 198 |
| 3 Sep 2026 | 42.1% | 198 |
| 2 Sep 2026 | 42.1% | 198 |
| 1 Sep 2026 | 42.0% | 198 |
| 31 Aug 2026 | 42.0% | 198 |
| 30 Aug 2026 | 42.0% | 197 |
| 29 Aug 2026 | 42.1% | 198 |