Reservoir · California · United States · CDEC
CACHUMA LAKE (BRADBURY DAM)
97.1% full
Capacity
212.78 hm³
Volume stored
207 hm³
Coordinates
34.583°N, 119.980°W
Last updated
2026-09-16
Current fill
97.1%vs 7 days ago
-0.8%losing
vs 1 year ago
+9.1%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: 2026-09-16.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 34.583, -119.980 · Open in Google Maps
About CACHUMA LAKE (BRADBURY DAM)
As of September 16, 2026, CACHUMA LAKE (BRADBURY DAM) is filled to 97.1% of its total capacity, holding roughly 207 hm³ of water out of a maximum 213 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.8 pts), and it is 9.1 points above its level on the same date a year earlier.
Across the readings we hold for CACHUMA LAKE (BRADBURY DAM) — 1817 data points between September 19, 2021 and September 16, 2026 — the level has ranged from a low of 35.3% (December 7, 2022) to a high of 105.0% (January 19, 2023). On average the reservoir is fullest around February and at its lowest around November.
It is operated by CDEC primarily for multiple purposes. It lies within the California basin at 34.583°N, 119.980°W.
Key facts
- Current fill level
- 97.1%
- Water stored
- 207 hm³
- Total capacity
- 213 hm³
- 7-day change
- ▼ 0.8 pts
- Year-on-year
- ▲ 9.1 pts
- Primary use
- Multipurpose
- River basin
- California
- Operator
- CDEC
- Coordinates
- 34.583°N, 119.980°W
- Last updated
- September 16, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 16 Sep 2026 | 97.1% | 207 |
| 15 Sep 2026 | 97.2% | 207 |
| 14 Sep 2026 | 97.3% | 207 |
| 13 Sep 2026 | 97.5% | 207 |
| 12 Sep 2026 | 97.6% | 208 |
| 11 Sep 2026 | 97.7% | 208 |
| 10 Sep 2026 | 97.8% | 208 |
| 9 Sep 2026 | 97.9% | 208 |
| 8 Sep 2026 | 97.4% | 207 |
| 7 Sep 2026 | 98.1% | 209 |
| 6 Sep 2026 | 98.1% | 209 |
| 5 Sep 2026 | 98.2% | 209 |