Reservoir · California · United States · CDEC
DON PEDRO RESERVOIR
72.5% full
Capacity
2,503.97 hm³
Volume stored
1816 hm³
Vs month average
102% of normal
Coordinates
37.702°N, 120.421°W
Last updated
2026-10-29
Current fill
72.5%vs 7 days ago
-0.6 pplosing
vs 1 year ago
-2.2 ppyear-over-year
7-day trend
→stable
Drought context
Storage vs October average
102%of normal
72.5% full on 2026-10-29, against an average of 71.0% for October across 5 years of readings (+1.5 points).
Drought Monitor at this site · 27 October 2026
D0abnormally dry
The ground at DON PEDRO RESERVOIR's coordinates falls inside the D0 area of the weekly U.S. Drought Monitor map. That describes local conditions — rainfall, soil moisture, streamflow — not the reservoir's storage. California drought figures →
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: 2026-10-29.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 37.702°N, 120.421°W · Open in Google Maps
About DON PEDRO RESERVOIR
As of October 29, 2026, DON PEDRO RESERVOIR is filled to 72.5% of its total capacity, holding 1,816 hm³ of water out of a maximum 2,504 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 (-0.6 pp), and it is 2.2 points below its level on the same date a year earlier.
Across the readings we hold for DON PEDRO RESERVOIR — 1818 data points between November 3, 2021 and October 29, 2026 — the level has ranged from a low of 49.1% (November 3, 2021) to a high of 97.0% (July 24, 2023). On average the reservoir is fullest around June and at its lowest around November.
It is operated by CDEC primarily for multiple purposes. It is at 37.702°N, 120.421°W.
Key facts
- Current fill level
- 72.5% of total capacity
- Water stored
- 1,816 hm³
- Total capacity
- 2,504 hm³
- 7-day change
- ▼ 0.6 pp
- Year-on-year
- ▼ 2.2 pp
- Primary use
- Multipurpose
- Operator
- CDEC
- Coordinates
- 37.702°N, 120.421°W
- Last updated
- October 29, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 29 Oct 2026 | 72.5% | 1,816 |
| 28 Oct 2026 | 72.5% | 1,816 |
| 27 Oct 2026 | 72.7% | 1,820 |
| 26 Oct 2026 | 72.7% | 1,820 |
| 25 Oct 2026 | 72.7% | 1,821 |
| 24 Oct 2026 | 72.8% | 1,823 |
| 23 Oct 2026 | 73.0% | 1,827 |
| 22 Oct 2026 | 73.1% | 1,831 |
| 21 Oct 2026 | 73.3% | 1,835 |
| 20 Oct 2026 | 73.4% | 1,839 |
| 19 Oct 2026 | 73.6% | 1,842 |
| 18 Oct 2026 | 73.7% | 1,846 |