Reservoir · California · United States · CDEC
CALAVERAS
57.4% full
Capacity
119.46 hm³
Volume stored
69 hm³
Vs month average
77% of normal
Coordinates
37.492°N, 121.818°W
Last updated
2026-10-13
Current fill
57.4%vs 7 days ago
-0.8%losing
vs 1 year ago
-18.0%year-over-year
7-day trend
→stable
Drought context
Storage vs October average
77%of normal
57.4% full on 2026-10-13, against an average of 74.5% for October across 6 years of readings (-17.1 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. 37.492, -121.818 · Open in Google Maps
About CALAVERAS
As of October 13, 2026, CALAVERAS is filled to 57.4% of its total capacity, holding roughly 69 hm³ of water out of a maximum 119 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 (-0.8 pts), and it is 18.0 points below its level on the same date a year earlier.
Across the readings we hold for CALAVERAS — 1801 data points between October 16, 2021 and October 13, 2026 — the level has ranged from a low of 54.9% (October 19, 2021) to a high of 102.0% (January 16, 2023). On average the reservoir is fullest around March and at its lowest around December.
It is operated by CDEC primarily for multiple purposes. It lies within the California basin at 37.492°N, 121.818°W.
Key facts
- Current fill level
- 57.4%
- Water stored
- 69 hm³
- Total capacity
- 119 hm³
- 7-day change
- ▼ 0.8 pts
- Year-on-year
- ▼ 18.0 pts
- Primary use
- Multipurpose
- River basin
- California
- Operator
- CDEC
- Coordinates
- 37.492°N, 121.818°W
- Last updated
- October 13, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 13 Oct 2026 | 57.4% | 69 |
| 12 Oct 2026 | 57.6% | 69 |
| 11 Oct 2026 | 57.7% | 69 |
| 10 Oct 2026 | 57.8% | 69 |
| 9 Oct 2026 | 57.9% | 69 |
| 8 Oct 2026 | 58.0% | 69 |
| 7 Oct 2026 | 58.1% | 69 |
| 6 Oct 2026 | 58.2% | 70 |
| 5 Oct 2026 | 58.3% | 70 |
| 4 Oct 2026 | 58.5% | 70 |
| 3 Oct 2026 | 58.6% | 70 |
| 2 Oct 2026 | 58.7% | 70 |