Reservoir · California · United States · CDEC
SHA
75.5% full
Capacity
5,614.92 hm³
Volume stored
4239 hm³
Coordinates
40.718°N, 122.420°W
Last updated
2026-07-08
Current fill
75.5%vs 7 days ago
-0.3%losing
vs 1 year ago
-14.0%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: 2026-07-08.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 40.718, -122.420 · Open in Google Maps
About SHA
As of July 8, 2026, SHA is filled to 75.5% of its total capacity, holding roughly 4,239 hm³ of water out of a maximum 5,615 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 (-0.3 pts), and it is 14.0 points below its level on the same date a year earlier.
Across the readings we hold for SHA — 1825 data points between July 10, 2021 and July 8, 2026 — the level has ranged from a low of 21.3% (October 20, 2021) to a high of 98.1% (May 24, 2023). On average the reservoir is fullest around May and at its lowest around November.
It is operated by CDEC primarily for multiple purposes. It lies within the California basin at 40.718°N, 122.420°W.
Key facts
- Current fill level
- 75.5%
- Water stored
- 4,239 hm³
- Total capacity
- 5,615 hm³
- 7-day change
- ▼ 0.3 pts
- Year-on-year
- ▼ 14.0 pts
- Primary use
- Multipurpose
- River basin
- California
- Operator
- CDEC
- Coordinates
- 40.718°N, 122.420°W
- Last updated
- July 8, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 8 Jul 2026 | 75.5% | 4,239 |
| 7 Jul 2026 | 75.8% | 4,256 |
| 6 Jul 2026 | 76.1% | 4,275 |
| 5 Jul 2026 | 76.5% | 4,295 |
| 4 Jul 2026 | 76.9% | 4,315 |
| 3 Jul 2026 | 77.2% | 4,336 |
| 2 Jul 2026 | 77.5% | 4,354 |
| 1 Jul 2026 | 77.8% | 4,370 |
| 30 Jun 2026 | 78.2% | 4,388 |
| 29 Jun 2026 | 78.5% | 4,407 |
| 28 Jun 2026 | 78.9% | 4,427 |
| 27 Jun 2026 | 79.2% | 4,449 |
Frequently asked questions
What is the current water level of SHA?
As of July 8, 2026, SHA is at 75.5% of its capacity, holding approximately 4,239 hm³ of water, according to CDEC (CA DWR) data.
Is SHA reservoir full?
No. As of July 8, 2026, SHA is within its normal operating range at 75.5% of its capacity, so it is not full.
Is the water level at SHA rising or falling?
The level at SHA has been broadly stable over the latest week on record (-0.3 points).
How much water can SHA hold?
SHA has a total capacity of 5,615 hm³.
Where is SHA reservoir located?
SHA is located in California, United States, within the California basin (coordinates 40.718°N, 122.420°W).
What is SHA used for?
SHA is used primarily for multiple purposes, and is managed by CDEC.