Reservoir · Colorado · United States · USACE CWMS
Trinidad Lake
19.6% full
Capacity
88.54 hm³
Volume stored
17 hm³
Vs month average
83% of normal
Coordinates
37.141°N, 104.552°W
Last updated
2026-10-14
Current fill
19.6%vs 7 days ago
+0.5%gaining
vs 1 year ago
-3.1%year-over-year
7-day trend
→stable
Drought context
Storage vs October average
83%of normal
19.6% full on 2026-10-14, against an average of 23.7% for October across 6 years of readings (-4.1 points).
Data source: USACE CWMS — US Army Corps of Engineers — 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: 2026-10-14.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 37.141, -104.552 · Open in Google Maps
About Trinidad Lake
As of October 14, 2026, Trinidad Lake is filled to 19.6% of its total capacity, holding roughly 17 hm³ of water out of a maximum 89 hm³. At this level the reservoir is critically low.
Over the most recent week on record the fill level has held broadly steady (+0.5 pts), and it is 3.1 points below its level on the same date a year earlier.
Across the readings we hold for Trinidad Lake — 1825 data points between October 16, 2021 and October 14, 2026 — the level has ranged from a low of 18.2% (September 21, 2026) to a high of 34.8% (June 23, 2023). On average the reservoir is fullest around April and at its lowest around September.
It is operated by USACE primarily for multiple purposes. It lies within the Colorado basin at 37.141°N, 104.552°W.
Key facts
- Current fill level
- 19.6%
- Water stored
- 17 hm³
- Total capacity
- 89 hm³
- 7-day change
- ▲ 0.5 pts
- Year-on-year
- ▼ 3.1 pts
- Primary use
- Multipurpose
- River basin
- Colorado
- Operator
- USACE
- Coordinates
- 37.141°N, 104.552°W
- Last updated
- October 14, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 14 Oct 2026 | 19.6% | 17 |
| 13 Oct 2026 | 19.5% | 17 |
| 12 Oct 2026 | 19.5% | 17 |
| 11 Oct 2026 | 19.4% | 17 |
| 10 Oct 2026 | 19.4% | 17 |
| 9 Oct 2026 | 19.3% | 17 |
| 8 Oct 2026 | 19.2% | 17 |
| 7 Oct 2026 | 19.1% | 17 |
| 6 Oct 2026 | 19.1% | 17 |
| 5 Oct 2026 | 19.0% | 17 |
| 4 Oct 2026 | 18.9% | 17 |
| 3 Oct 2026 | 18.7% | 17 |