Reservoir · Colorado · United States · BOR RISE
Pinewood Reservoir and Rattlesnake Dam
52.0% full
Capacity
2.69 hm³
Volume stored
1 hm³
Coordinates
40.368°N, 105.286°W
Last updated
2026-07-28
Current fill
52.0%vs 7 days ago
+6.6%gaining
vs 1 year ago
-6.7%year-over-year
7-day trend
↑rising
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. 40.368, -105.286 · Open in Google Maps
About Pinewood Reservoir and Rattlesnake Dam
As of July 28, 2026, Pinewood Reservoir and Rattlesnake Dam is filled to 52.0% of its total capacity, holding roughly 1 hm³ of water out of a maximum 3 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has risen by 6.6 percentage points, and it is 6.7 points below its level on the same date a year earlier.
Across the readings we hold for Pinewood Reservoir and Rattlesnake Dam — 1823 data points between July 31, 2021 and July 28, 2026 — the level has ranged from a low of 24.2% (October 9, 2022) to a high of 82.9% (May 11, 2026). On average the reservoir is fullest around June and at its lowest around December.
It is operated by BOR primarily for multiple purposes. It lies within the Colorado basin at 40.368°N, 105.286°W.
Key facts
- Current fill level
- 52.0%
- Water stored
- 1 hm³
- Total capacity
- 3 hm³
- 7-day change
- ▲ 6.6 pts
- Year-on-year
- ▼ 6.7 pts
- Primary use
- Multipurpose
- River basin
- Colorado
- Operator
- BOR
- Coordinates
- 40.368°N, 105.286°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 52.0% | 1 |
| 27 Jul 2026 | 45.4% | 1 |
| 26 Jul 2026 | 41.6% | 1 |
| 25 Jul 2026 | 46.5% | 1 |
| 24 Jul 2026 | 49.4% | 1 |
| 23 Jul 2026 | 45.0% | 1 |
| 22 Jul 2026 | 36.4% | 1 |
| 21 Jul 2026 | 31.2% | 1 |
| 20 Jul 2026 | 32.3% | 1 |
| 19 Jul 2026 | 32.3% | 1 |
| 18 Jul 2026 | 45.7% | 1 |
| 17 Jul 2026 | 56.1% | 2 |
Frequently asked questions
What is the current water level of Pinewood Reservoir and Rattlesnake Dam ?
As of July 28, 2026, Pinewood Reservoir and Rattlesnake Dam is at 52.0% of its capacity, holding approximately 1 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Pinewood Reservoir and Rattlesnake Dam reservoir full?
No. As of July 28, 2026, Pinewood Reservoir and Rattlesnake Dam is within its normal operating range at 52.0% of its capacity, so it is not full.
Is the water level at Pinewood Reservoir and Rattlesnake Dam rising or falling?
The level at Pinewood Reservoir and Rattlesnake Dam is rising — it gained 6.6 percentage points over the latest week on record.
How much water can Pinewood Reservoir and Rattlesnake Dam hold?
Pinewood Reservoir and Rattlesnake Dam has a total capacity of 3 hm³.
Where is Pinewood Reservoir and Rattlesnake Dam reservoir located?
Pinewood Reservoir and Rattlesnake Dam is located in Colorado, United States, within the Colorado basin (coordinates 40.368°N, 105.286°W).
What is Pinewood Reservoir and Rattlesnake Dam used for?
Pinewood Reservoir and Rattlesnake Dam is used primarily for multiple purposes, and is managed by BOR.