Reservoir · California · United States · CDEC
Lake Crowley
81.9% full
Capacity
226.3 hm³
Volume stored
185 hm³
Coordinates
37.604°N, 118.707°W
Last updated
2026-07-29
Current fill
81.9%vs 7 days ago
-2.0%losing
vs 1 year ago
+9.9%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: 2026-07-29.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 37.604, -118.707 · Open in Google Maps
About Lake Crowley
As of July 29, 2026, Lake Crowley is filled to 81.9% of its total capacity, holding roughly 185 hm³ of water out of a maximum 226 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has fallen by 2.0 percentage points, and it is 9.9 points above its level on the same date a year earlier.
Across the readings we hold for Lake Crowley — 1276 data points between August 23, 2021 and July 29, 2026 — the level has ranged from a low of 44.1% (October 15, 2021) to a high of 98.2% (April 25, 2024). On average the reservoir is fullest around March and at its lowest around November.
It is operated by CDEC primarily for multiple purposes. It lies within the California basin at 37.604°N, 118.707°W.
Key facts
- Current fill level
- 81.9%
- Water stored
- 185 hm³
- Total capacity
- 226 hm³
- 7-day change
- ▼ 2.0 pts
- Year-on-year
- ▲ 9.9 pts
- Primary use
- Multipurpose
- River basin
- California
- Operator
- CDEC
- Coordinates
- 37.604°N, 118.707°W
- Last updated
- July 29, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 29 Jul 2026 | 81.9% | 185 |
| 28 Jul 2026 | 82.2% | 186 |
| 27 Jul 2026 | 82.5% | 187 |
| 26 Jul 2026 | 82.8% | 187 |
| 25 Jul 2026 | 83.0% | 188 |
| 24 Jul 2026 | 83.5% | 189 |
| 23 Jul 2026 | 83.8% | 190 |
| 22 Jul 2026 | 83.9% | 190 |
| 21 Jul 2026 | 84.0% | 190 |
| 20 Jul 2026 | 84.2% | 190 |
| 19 Jul 2026 | 84.3% | 191 |
| 18 Jul 2026 | 84.5% | 191 |
Frequently asked questions
What is the current water level of Lake Crowley?
As of July 29, 2026, Lake Crowley is at 81.9% of its capacity, holding approximately 185 hm³ of water, according to CDEC (CA DWR) data.
Is Lake Crowley reservoir full?
No. As of July 29, 2026, Lake Crowley is high at 81.9% of its capacity, so it is not full.
Is the water level at Lake Crowley rising or falling?
The level at Lake Crowley is falling — it dropped 2.0 percentage points over the latest week on record.
How much water can Lake Crowley hold?
Lake Crowley has a total capacity of 226 hm³.
Where is Lake Crowley reservoir located?
Lake Crowley is located in California, United States, within the California basin (coordinates 37.604°N, 118.707°W).
What is Lake Crowley used for?
Lake Crowley is used primarily for multiple purposes, and is managed by CDEC.