Reservoir · California · United States · CDEC
Lake McClure
67.6% full
Capacity
1,263.83 hm³
Volume stored
854 hm³
Coordinates
37.585°N, 120.270°W
Last updated
2026-08-02
Current fill
67.6%vs 7 days ago
-3.2%losing
vs 1 year ago
-8.5%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. 37.585, -120.270 · Open in Google Maps
About Lake McClure
As of August 2, 2026, Lake McClure is filled to 67.6% of its total capacity, holding roughly 854 hm³ of water out of a maximum 1,264 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has fallen by 3.2 percentage points, and it is 8.5 points below its level on the same date a year earlier.
Across the readings we hold for Lake McClure — 1824 data points between August 5, 2021 and August 2, 2026 — the level has ranged from a low of 17.6% (October 23, 2021) to a high of 97.7% (June 12, 2024). 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 37.585°N, 120.270°W.
Key facts
- Current fill level
- 67.6%
- Water stored
- 854 hm³
- Total capacity
- 1,264 hm³
- 7-day change
- ▼ 3.2 pts
- Year-on-year
- ▼ 8.5 pts
- Primary use
- Multipurpose
- River basin
- California
- Operator
- CDEC
- Coordinates
- 37.585°N, 120.270°W
- Last updated
- August 2, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 2 Aug 2026 | 67.6% | 854 |
| 1 Aug 2026 | 68.0% | 860 |
| 31 Jul 2026 | 68.5% | 866 |
| 30 Jul 2026 | 69.0% | 871 |
| 29 Jul 2026 | 69.5% | 878 |
| 28 Jul 2026 | 70.0% | 884 |
| 27 Jul 2026 | 70.4% | 890 |
| 26 Jul 2026 | 70.8% | 895 |
| 25 Jul 2026 | 71.2% | 900 |
| 24 Jul 2026 | 71.6% | 905 |
| 23 Jul 2026 | 72.1% | 911 |
| 22 Jul 2026 | 72.6% | 917 |
Frequently asked questions
What is the current water level of Lake McClure?
As of August 2, 2026, Lake McClure is at 67.6% of its capacity, holding approximately 854 hm³ of water, according to CDEC (CA DWR) data.
Is Lake McClure reservoir full?
No. As of August 2, 2026, Lake McClure is within its normal operating range at 67.6% of its capacity, so it is not full.
Is the water level at Lake McClure rising or falling?
The level at Lake McClure is falling — it dropped 3.2 percentage points over the latest week on record.
How much water can Lake McClure hold?
Lake McClure has a total capacity of 1,264 hm³.
Where is Lake McClure reservoir located?
Lake McClure is located in California, United States, within the California basin (coordinates 37.585°N, 120.270°W).
What is Lake McClure used for?
Lake McClure is used primarily for multiple purposes, and is managed by CDEC.