Reservoir · California · United States · CDEC
EAST PARK RESERVOIR
79.3% full
Capacity
62.41 hm³
Volume stored
50 hm³
Vs month average
115% of normal
Coordinates
39.367°N, 122.517°W
Last updated
2026-10-14
Current fill
79.3%vs 7 days ago
-0.9%losing
vs 1 year ago
-4.6%year-over-year
7-day trend
→stable
Drought context
Storage vs October average
115%of normal
79.3% full on 2026-10-14, against an average of 68.7% for October across 6 years of readings (+10.6 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. 39.367, -122.517 · Open in Google Maps
About EAST PARK RESERVOIR
As of October 14, 2026, EAST PARK RESERVOIR is filled to 79.3% of its total capacity, holding roughly 50 hm³ of water out of a maximum 62 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 (-0.9 pts), and it is 4.6 points below its level on the same date a year earlier.
Across the readings we hold for EAST PARK RESERVOIR — 1795 data points between November 8, 2021 and October 14, 2026 — the level has ranged from a low of 0.4% (November 8, 2021) to a high of 102.0% (February 4, 2024). On average the reservoir is fullest around March and at its lowest around November.
It is operated by CDEC primarily for multiple purposes. It lies within the California basin at 39.367°N, 122.517°W.
Key facts
- Current fill level
- 79.3%
- Water stored
- 50 hm³
- Total capacity
- 62 hm³
- 7-day change
- ▼ 0.9 pts
- Year-on-year
- ▼ 4.6 pts
- Primary use
- Multipurpose
- River basin
- California
- Operator
- CDEC
- Coordinates
- 39.367°N, 122.517°W
- Last updated
- October 14, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 14 Oct 2026 | 79.3% | 49 |
| 13 Oct 2026 | 79.3% | 50 |
| 12 Oct 2026 | 79.4% | 50 |
| 11 Oct 2026 | 79.6% | 50 |
| 10 Oct 2026 | 79.8% | 50 |
| 9 Oct 2026 | 79.9% | 50 |
| 8 Oct 2026 | 80.1% | 50 |
| 7 Oct 2026 | 80.2% | 50 |
| 6 Oct 2026 | 80.4% | 50 |
| 5 Oct 2026 | 80.5% | 50 |
| 4 Oct 2026 | 80.6% | 50 |
| 3 Oct 2026 | 80.8% | 50 |