Reservoir · Colorado · United States · BOR RISE
Horsetooth Reservoir and Dam
95.1% full
Capacity
193.33 hm³
Volume stored
184 hm³
Coordinates
40.599°N, 105.171°W
Last updated
2026-06-10
Current fill
95.1%vs 7 days ago
-0.1%losing
vs 1 year ago
+4.9%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: 2026-06-10.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 40.599, -105.171 · Open in Google Maps
About Horsetooth Reservoir and Dam
As of June 10, 2026, Horsetooth Reservoir and Dam is filled to 95.1% of its total capacity, holding roughly 184 hm³ of water out of a maximum 193 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.1 pts), and it is 4.9 points above its level on the same date a year earlier.
Across the readings we hold for Horsetooth Reservoir and Dam — 1824 data points between June 13, 2021 and June 10, 2026 — the level has ranged from a low of 49.5% (December 19, 2022) to a high of 99.6% (June 28, 2024). On average the reservoir is fullest around June and at its lowest around November.
It is operated by BOR primarily for multiple purposes. It lies within the Colorado basin at 40.599°N, 105.171°W.
Key facts
- Current fill level
- 95.1%
- Water stored
- 184 hm³
- Total capacity
- 193 hm³
- 7-day change
- ▼ 0.1 pts
- Year-on-year
- ▲ 4.9 pts
- Primary use
- Multipurpose
- River basin
- Colorado
- Operator
- BOR
- Coordinates
- 40.599°N, 105.171°W
- Last updated
- June 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Jun 2026 | 95.1% | 184 |
| 9 Jun 2026 | 95.2% | 184 |
| 8 Jun 2026 | 95.1% | 184 |
| 7 Jun 2026 | 95.0% | 184 |
| 6 Jun 2026 | 95.0% | 184 |
| 5 Jun 2026 | 94.9% | 184 |
| 4 Jun 2026 | 94.9% | 184 |
| 3 Jun 2026 | 94.8% | 183 |
| 2 Jun 2026 | 94.7% | 183 |
| 1 Jun 2026 | 94.5% | 183 |
| 31 May 2026 | 94.5% | 183 |
| 30 May 2026 | 94.5% | 183 |
Frequently asked questions
What is the current water level of Horsetooth Reservoir and Dam?
As of June 10, 2026, Horsetooth Reservoir and Dam is at 95.1% of its capacity, holding approximately 184 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Horsetooth Reservoir and Dam reservoir full?
Horsetooth Reservoir and Dam is essentially full, sitting at 95.1% of capacity as of June 10, 2026.
Is the water level at Horsetooth Reservoir and Dam rising or falling?
The level at Horsetooth Reservoir and Dam has been broadly stable over the latest week on record (-0.1 points).
How much water can Horsetooth Reservoir and Dam hold?
Horsetooth Reservoir and Dam has a total capacity of 193 hm³.
Where is Horsetooth Reservoir and Dam reservoir located?
Horsetooth Reservoir and Dam is located in Colorado, United States, within the Colorado basin (coordinates 40.599°N, 105.171°W).
What is Horsetooth Reservoir and Dam used for?
Horsetooth Reservoir and Dam is used primarily for multiple purposes, and is managed by BOR.