Reservoir · California · United States · CDEC
SNL
57.6% full
Capacity
2,501.93 hm³
Volume stored
1440 hm³
Coordinates
37.033°N, 121.133°W
Last updated
2026-07-08
Current fill
57.6%vs 7 days ago
-0.2%losing
vs 1 year ago
-21.5%year-over-year
7-day trend
→stable
Data source: CDEC — California Dept of Water Resources — daily reservoir storage volume. Design capacity is unavailable for this site, so fill % is estimated against the 5-year maximum storage and may overstate fullness. 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. 37.033, -121.133 · Open in Google Maps
About SNL
As of July 8, 2026, SNL is filled to 57.6% of its total capacity, holding roughly 1,440 hm³ of water out of a maximum 2,502 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 (-0.2 pts), and it is 21.5 points below its level on the same date a year earlier.
Across the readings we hold for SNL — 1824 data points between July 10, 2021 and July 8, 2026 — the level has ranged from a low of 9.5% (October 22, 2021) to a high of 100.0% (April 6, 2023). On average the reservoir is fullest around April and at its lowest around November.
It is operated by CDEC primarily for multiple purposes. It lies within the California basin at 37.033°N, 121.133°W.
Key facts
- Current fill level
- 57.6%
- Water stored
- 1,440 hm³
- Total capacity
- 2,502 hm³
- 7-day change
- ▼ 0.2 pts
- Year-on-year
- ▼ 21.5 pts
- Primary use
- Multipurpose
- River basin
- California
- Operator
- CDEC
- Coordinates
- 37.033°N, 121.133°W
- Last updated
- July 8, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 8 Jul 2026 | 57.6% | 1,440 |
| 7 Jul 2026 | 57.8% | 1,446 |
| 6 Jul 2026 | 57.9% | 1,450 |
| 5 Jul 2026 | 58.0% | 1,451 |
| 4 Jul 2026 | 57.9% | 1,450 |
| 3 Jul 2026 | 58.1% | 1,454 |
| 2 Jul 2026 | 58.4% | 1,460 |
| 1 Jul 2026 | 58.6% | 1,466 |
| 30 Jun 2026 | 59.1% | 1,478 |
| 29 Jun 2026 | 59.7% | 1,493 |
| 28 Jun 2026 | 60.0% | 1,501 |
| 27 Jun 2026 | 60.3% | 1,508 |
Frequently asked questions
What is the current water level of SNL?
As of July 8, 2026, SNL is at 57.6% of its capacity, holding approximately 1,440 hm³ of water, according to CDEC (CA DWR) data.
Is SNL reservoir full?
No. As of July 8, 2026, SNL is within its normal operating range at 57.6% of its capacity, so it is not full.
Is the water level at SNL rising or falling?
The level at SNL has been broadly stable over the latest week on record (-0.2 points).
How much water can SNL hold?
SNL has a total capacity of 2,502 hm³.
Where is SNL reservoir located?
SNL is located in California, United States, within the California basin (coordinates 37.033°N, 121.133°W).
What is SNL used for?
SNL is used primarily for multiple purposes, and is managed by CDEC.