Reservoir · California · United States · CDEC
BERRYESSA
93.0% full
Capacity
1,976.38 hm³
Volume stored
1838 hm³
Coordinates
38.513°N, 122.104°W
Last updated
2026-06-10
Current fill
93.0%vs 7 days ago
-0.1%losing
vs 1 year ago
-2.4%year-over-year
7-day trend
→stable
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: 2026-06-10.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 38.513, -122.104 · Open in Google Maps
About BERRYESSA
As of June 10, 2026, BERRYESSA is filled to 93.0% of its total capacity, holding roughly 1,838 hm³ of water out of a maximum 1,976 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.1 pts), and it is 2.4 points below its level on the same date a year earlier.
Across the readings we hold for BERRYESSA — 1824 data points between June 13, 2021 and June 10, 2026 — the level has ranged from a low of 49.3% (November 28, 2022) to a high of 100.3% (February 14, 2025). On average the reservoir is fullest around April and at its lowest around October.
It is operated by CDEC primarily for multiple purposes. It lies within the California basin at 38.513°N, 122.104°W.
Key facts
- Current fill level
- 93.0%
- Water stored
- 1,838 hm³
- Total capacity
- 1,976 hm³
- 7-day change
- ▼ 0.1 pts
- Year-on-year
- ▼ 2.4 pts
- Primary use
- Multipurpose
- River basin
- California
- Operator
- CDEC
- Coordinates
- 38.513°N, 122.104°W
- Last updated
- June 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Jun 2026 | 93.0% | 1,838 |
| 9 Jun 2026 | 93.1% | 1,840 |
| 8 Jun 2026 | 93.2% | 1,841 |
| 7 Jun 2026 | 93.3% | 1,843 |
| 6 Jun 2026 | 93.3% | 1,845 |
| 5 Jun 2026 | 93.4% | 1,846 |
| 4 Jun 2026 | 93.5% | 1,848 |
| 3 Jun 2026 | 93.6% | 1,850 |
| 2 Jun 2026 | 93.7% | 1,851 |
| 1 Jun 2026 | 93.7% | 1,852 |
| 31 May 2026 | 93.8% | 1,854 |
| 30 May 2026 | 93.9% | 1,855 |
Frequently asked questions
What is the current water level of BERRYESSA?
As of June 10, 2026, BERRYESSA is at 93.0% of its capacity, holding approximately 1,838 hm³ of water, according to CDEC (CA DWR) data.
Is BERRYESSA reservoir full?
No. As of June 10, 2026, BERRYESSA is high at 93.0% of its capacity, so it is not full.
Is the water level at BERRYESSA rising or falling?
The level at BERRYESSA has been broadly stable over the latest week on record (-0.1 points).
How much water can BERRYESSA hold?
BERRYESSA has a total capacity of 1,976 hm³.
Where is BERRYESSA reservoir located?
BERRYESSA is located in California, United States, within the California basin (coordinates 38.513°N, 122.104°W).
What is BERRYESSA used for?
BERRYESSA is used primarily for multiple purposes, and is managed by CDEC.