Reservoir · California · United States · CDEC
STAMPEDE
62.9% full
Capacity
279.38 hm³
Volume stored
176 hm³
Vs month average
94% of normal
Coordinates
39.471°N, 120.103°W
Last updated
2026-10-13
Current fill
62.9%vs 7 days ago
-0.3%losing
vs 1 year ago
-3.0%year-over-year
7-day trend
→stable
Drought context
Storage vs October average
94%of normal
62.9% full on 2026-10-13, against an average of 67.1% for October across 6 years of readings (-4.2 points).
Data source: CDEC — California Dept of Water Resources — 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: 2026-10-13.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 39.471, -120.103 · Open in Google Maps
About STAMPEDE
As of October 13, 2026, STAMPEDE is filled to 62.9% of its total capacity, holding roughly 176 hm³ of water out of a maximum 279 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 (-0.3 pts), and it is 3.0 points below its level on the same date a year earlier.
Across the readings we hold for STAMPEDE — 1821 data points between October 16, 2021 and October 13, 2026 — the level has ranged from a low of 34.9% (October 18, 2021) to a high of 102.1% (July 11, 2023). On average the reservoir is fullest around May and at its lowest around December.
It is operated by CDEC primarily for multiple purposes. It lies within the California basin at 39.471°N, 120.103°W.
Key facts
- Current fill level
- 62.9%
- Water stored
- 176 hm³
- Total capacity
- 279 hm³
- 7-day change
- ▼ 0.3 pts
- Year-on-year
- ▼ 3.0 pts
- Primary use
- Multipurpose
- River basin
- California
- Operator
- CDEC
- Coordinates
- 39.471°N, 120.103°W
- Last updated
- October 13, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 13 Oct 2026 | 62.9% | 176 |
| 12 Oct 2026 | 62.9% | 176 |
| 11 Oct 2026 | 63.0% | 176 |
| 10 Oct 2026 | 63.0% | 176 |
| 9 Oct 2026 | 63.1% | 176 |
| 8 Oct 2026 | 63.1% | 176 |
| 7 Oct 2026 | 63.2% | 176 |
| 6 Oct 2026 | 63.2% | 176 |
| 5 Oct 2026 | 63.2% | 177 |
| 4 Oct 2026 | 63.2% | 177 |
| 3 Oct 2026 | 63.3% | 177 |
| 2 Oct 2026 | 63.3% | 177 |