Reservoir · California · United States · CDEC
LAKE SILVERWOOD
92.1% full
Capacity
92.51 hm³
Volume stored
85 hm³
Vs month average
100% of normal
Coordinates
34.304°N, 117.318°W
Last updated
2026-10-14
Current fill
92.1%vs 7 days ago
-0.9%losing
vs 1 year ago
-5.3%year-over-year
7-day trend
→stable
Drought context
Storage vs October average
100%of normal
92.1% full on 2026-10-14, against an average of 91.7% for October across 6 years of readings (+0.4 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. 34.304, -117.318 · Open in Google Maps
About LAKE SILVERWOOD
As of October 14, 2026, LAKE SILVERWOOD is filled to 92.1% of its total capacity, holding roughly 85 hm³ of water out of a maximum 93 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.9 pts), and it is 5.3 points below its level on the same date a year earlier.
Across the readings we hold for LAKE SILVERWOOD — 1801 data points between October 16, 2021 and October 14, 2026 — the level has ranged from a low of 66.0% (February 15, 2026) to a high of 97.9% (October 20, 2024). On average the reservoir is fullest around June and at its lowest around February.
It is operated by CDEC primarily for multiple purposes. It lies within the California basin at 34.304°N, 117.318°W.
Key facts
- Current fill level
- 92.1%
- Water stored
- 85 hm³
- Total capacity
- 93 hm³
- 7-day change
- ▼ 0.9 pts
- Year-on-year
- ▼ 5.3 pts
- Primary use
- Multipurpose
- River basin
- California
- Operator
- CDEC
- Coordinates
- 34.304°N, 117.318°W
- Last updated
- October 14, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 14 Oct 2026 | 92.1% | 85 |
| 13 Oct 2026 | 93.8% | 87 |
| 12 Oct 2026 | 92.5% | 86 |
| 11 Oct 2026 | 91.2% | 84 |
| 10 Oct 2026 | 91.2% | 84 |
| 9 Oct 2026 | 91.4% | 85 |
| 8 Oct 2026 | 91.7% | 85 |
| 7 Oct 2026 | 93.0% | 86 |
| 6 Oct 2026 | 94.6% | 87 |
| 5 Oct 2026 | 96.3% | 89 |
| 4 Oct 2026 | 97.4% | 90 |
| 3 Oct 2026 | 97.2% | 90 |