Reservoir · Colorado · United States · BOR RISE
Lake Estes
Lake Estes and Olympus Dam
64.3% full
Capacity
3.78 hm³
Volume stored
2 hm³
Vs month average
101% of normal
Coordinates
40.373°N, 105.488°W
Last updated
2026-10-27
Current fill
64.3%vs 7 days ago
+2.9 ppgaining
vs 1 year ago
-7.4 ppyear-over-year
7-day trend
↑rising
Drought context
Storage vs October average
101%of normal
64.3% full on 2026-10-27, against an average of 63.4% for October across 6 years of readings (+0.9 points).
Drought Monitor at this site · 20 October 2026
D3extreme drought
The ground at Lake Estes's coordinates falls inside the D3 area of the weekly U.S. Drought Monitor map. That describes local conditions — rainfall, soil moisture, streamflow — not the reservoir's storage. Colorado drought figures →
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: 2026-10-27.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 40.373°N, 105.488°W · Open in Google Maps
About Lake Estes
As of October 27, 2026, Lake Estes is filled to 64.3% of its total capacity, holding 2.43 hm³ of water out of a maximum 3.78 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 2.9 percentage points, and it is 7.4 points below its level on the same date a year earlier.
Across the readings we hold for Lake Estes — 1951 data points between October 29, 2021 and October 27, 2026 — the level has ranged from a low of 24.1% (December 14, 2022) to a high of 84.1% (August 2, 2022). On average the reservoir is fullest around July and at its lowest around December.
It is operated by BOR primarily for multiple purposes. It is at 40.373°N, 105.488°W.
Key facts
- Current fill level
- 64.3% of total capacity
- Water stored
- 2.43 hm³
- Total capacity
- 3.78 hm³
- 7-day change
- ▲ 2.9 pp
- Year-on-year
- ▼ 7.4 pp
- Primary use
- Multipurpose
- Operator
- BOR
- Coordinates
- 40.373°N, 105.488°W
- Last updated
- October 27, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 27 Oct 2026 | 64.3% | 2.43 |
| 26 Oct 2026 | 64.0% | 2.42 |
| 25 Oct 2026 | 64.8% | 2.45 |
| 24 Oct 2026 | 58.7% | 2.22 |
| 23 Oct 2026 | 60.8% | 2.3 |
| 22 Oct 2026 | 59.0% | 2.23 |
| 21 Oct 2026 | 59.8% | 2.26 |
| 20 Oct 2026 | 61.4% | 2.32 |
| 19 Oct 2026 | 63.2% | 2.39 |
| 18 Oct 2026 | 64.6% | 2.44 |
| 17 Oct 2026 | 65.1% | 2.46 |
| 16 Oct 2026 | 75.4% | 2.85 |