Reservoir · California · United States · CDEC
FRENCHMAN DAM
74.0% full
Capacity
68.43 hm³
Volume stored
51 hm³
Vs month average
106% of normal
Coordinates
39.883°N, 120.183°W
Last updated
2026-10-14
Current fill
74.0%vs 7 days ago
-0.3%losing
vs 1 year ago
-2.6%year-over-year
7-day trend
→stable
Drought context
Storage vs October average
106%of normal
74.0% full on 2026-10-14, against an average of 69.8% for October across 6 years of readings (+4.2 points).
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: 2026-10-14.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 39.883, -120.183 · Open in Google Maps
About FRENCHMAN DAM
As of October 14, 2026, FRENCHMAN DAM is filled to 74.0% of its total capacity, holding roughly 51 hm³ of water out of a maximum 68 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 2.6 points below its level on the same date a year earlier.
Across the readings we hold for FRENCHMAN DAM — 1825 data points between October 16, 2021 and October 14, 2026 — the level has ranged from a low of 48.0% (October 19, 2021) to a high of 105.0% (April 16, 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 39.883°N, 120.183°W.
Key facts
- Current fill level
- 74.0%
- Water stored
- 51 hm³
- Total capacity
- 68 hm³
- 7-day change
- ▼ 0.3 pts
- Year-on-year
- ▼ 2.6 pts
- Primary use
- Multipurpose
- River basin
- California
- Operator
- CDEC
- Coordinates
- 39.883°N, 120.183°W
- Last updated
- October 14, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 14 Oct 2026 | 74.0% | 51 |
| 13 Oct 2026 | 74.0% | 51 |
| 12 Oct 2026 | 74.0% | 51 |
| 11 Oct 2026 | 74.1% | 51 |
| 10 Oct 2026 | 74.1% | 51 |
| 9 Oct 2026 | 74.2% | 51 |
| 8 Oct 2026 | 74.2% | 51 |
| 7 Oct 2026 | 74.3% | 51 |
| 6 Oct 2026 | 74.3% | 51 |
| 5 Oct 2026 | 74.4% | 51 |
| 4 Oct 2026 | 74.4% | 51 |
| 3 Oct 2026 | 74.5% | 51 |