Reservoir · California · United States · CDEC
Don Pedro Reservoir
84.4% full
Capacity
2,503.97 hm³
Volume stored
2113 hm³
Coordinates
37.702°N, 120.421°W
Last updated
2026-08-02
Current fill
84.4%vs 7 days ago
-1.6%losing
vs 1 year ago
-1.8%year-over-year
7-day trend
↓falling
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: 2026-08-02.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 37.702, -120.421 · Open in Google Maps
About Don Pedro Reservoir
As of August 2, 2026, Don Pedro Reservoir is filled to 84.4% of its total capacity, holding roughly 2,113 hm³ of water out of a maximum 2,504 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has fallen by 1.6 percentage points, and it is 1.8 points below its level on the same date a year earlier.
Across the readings we hold for Don Pedro Reservoir — 1823 data points between August 5, 2021 and August 2, 2026 — the level has ranged from a low of 47.7% (October 24, 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 lies within the California basin at 37.702°N, 120.421°W.
Key facts
- Current fill level
- 84.4%
- Water stored
- 2,113 hm³
- Total capacity
- 2,504 hm³
- 7-day change
- ▼ 1.6 pts
- Year-on-year
- ▼ 1.8 pts
- Primary use
- Multipurpose
- River basin
- California
- Operator
- CDEC
- Coordinates
- 37.702°N, 120.421°W
- Last updated
- August 2, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 2 Aug 2026 | 84.4% | 2,113 |
| 1 Aug 2026 | 84.6% | 2,118 |
| 31 Jul 2026 | 84.8% | 2,124 |
| 30 Jul 2026 | 85.1% | 2,130 |
| 29 Jul 2026 | 85.3% | 2,135 |
| 28 Jul 2026 | 85.6% | 2,142 |
| 27 Jul 2026 | 85.8% | 2,148 |
| 26 Jul 2026 | 86.0% | 2,152 |
| 25 Jul 2026 | 86.2% | 2,160 |
| 24 Jul 2026 | 86.5% | 2,165 |
| 23 Jul 2026 | 86.7% | 2,171 |
| 22 Jul 2026 | 86.9% | 2,177 |
Frequently asked questions
What is the current water level of Don Pedro Reservoir?
As of August 2, 2026, Don Pedro Reservoir is at 84.4% of its capacity, holding approximately 2,113 hm³ of water, according to CDEC (CA DWR) data.
Is Don Pedro Reservoir reservoir full?
No. As of August 2, 2026, Don Pedro Reservoir is high at 84.4% of its capacity, so it is not full.
Is the water level at Don Pedro Reservoir rising or falling?
The level at Don Pedro Reservoir is falling — it dropped 1.6 percentage points over the latest week on record.
How much water can Don Pedro Reservoir hold?
Don Pedro Reservoir has a total capacity of 2,504 hm³.
Where is Don Pedro Reservoir reservoir located?
Don Pedro Reservoir is located in California, United States, within the California basin (coordinates 37.702°N, 120.421°W).
What is Don Pedro Reservoir used for?
Don Pedro Reservoir is used primarily for multiple purposes, and is managed by CDEC.