Reservoir · California · United States · CDEC
WHISKEYTOWN DAM
98.3% full
Capacity
297.39 hm³
Volume stored
292 hm³
Vs month average
102% of normal
Coordinates
40.598°N, 122.537°W
Last updated
2026-10-14
Current fill
98.3%vs 7 days ago
0.0%stable
vs 1 year ago
-0.3%year-over-year
7-day trend
→stable
Drought context
Storage vs October average
102%of normal
98.3% full on 2026-10-14, against an average of 96.6% for October across 6 years of readings (+1.7 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: 2026-10-14.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 40.598, -122.537 · Open in Google Maps
About WHISKEYTOWN DAM
As of October 14, 2026, WHISKEYTOWN DAM is filled to 98.3% of its total capacity, holding roughly 292 hm³ of water out of a maximum 297 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it sits close to where it was a year earlier.
Across the readings we hold for WHISKEYTOWN DAM — 1825 data points between October 16, 2021 and October 14, 2026 — the level has ranged from a low of 84.1% (December 21, 2021) to a high of 104.3% (January 14, 2023). On average the reservoir is fullest around July and at its lowest around December.
It is operated by CDEC primarily for multiple purposes. It lies within the California basin at 40.598°N, 122.537°W.
Key facts
- Current fill level
- 98.3%
- Water stored
- 292 hm³
- Total capacity
- 297 hm³
- 7-day change
- No change
- Year-on-year
- ▼ 0.3 pts
- Primary use
- Multipurpose
- River basin
- California
- Operator
- CDEC
- Coordinates
- 40.598°N, 122.537°W
- Last updated
- October 14, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 14 Oct 2026 | 98.3% | 292 |
| 13 Oct 2026 | 98.3% | 292 |
| 12 Oct 2026 | 98.3% | 292 |
| 11 Oct 2026 | 98.3% | 292 |
| 10 Oct 2026 | 98.1% | 292 |
| 9 Oct 2026 | 98.2% | 292 |
| 8 Oct 2026 | 98.3% | 292 |
| 7 Oct 2026 | 98.3% | 292 |
| 6 Oct 2026 | 98.2% | 292 |
| 5 Oct 2026 | 98.2% | 292 |
| 4 Oct 2026 | 98.3% | 292 |
| 3 Oct 2026 | 98.5% | 293 |