Reservoir · California · United States · CDEC
NEW MELONES RESERVOIR
55.8% full
Capacity
3,355.07 hm³
Volume stored
1873 hm³
Vs month average
108% of normal
Coordinates
37.948°N, 120.525°W
Last updated
2026-10-12
Current fill
55.8%vs 7 days ago
-0.3%losing
vs 1 year ago
-3.8%year-over-year
7-day trend
→stable
Drought context
Storage vs October average
108%of normal
55.8% full on 2026-10-12, against an average of 51.8% for October across 6 years of readings (+4.0 points).
Drought Monitor at this site · 6 October 2026
D0abnormally dry
The ground at NEW MELONES RESERVOIR's coordinates falls inside the D0 area of the weekly U.S. Drought Monitor map. That describes local conditions — rainfall, soil moisture, streamflow — not the reservoir's storage. California drought figures →
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: 2026-10-12.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 37.948, -120.525 · Open in Google Maps
About NEW MELONES RESERVOIR
As of October 12, 2026, NEW MELONES RESERVOIR is filled to 55.8% of its total capacity, holding roughly 1,873 hm³ of water out of a maximum 3,355 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 3.8 points below its level on the same date a year earlier.
Across the readings we hold for NEW MELONES RESERVOIR — 1825 data points between October 14, 2021 and October 12, 2026 — the level has ranged from a low of 21.4% (November 1, 2022) to a high of 77.4% (June 7, 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 37.948°N, 120.525°W.
Key facts
- Current fill level
- 55.8%
- Water stored
- 1,873 hm³
- Total capacity
- 3,355 hm³
- 7-day change
- ▼ 0.3 pts
- Year-on-year
- ▼ 3.8 pts
- Primary use
- Multipurpose
- River basin
- California
- Operator
- CDEC
- Coordinates
- 37.948°N, 120.525°W
- Last updated
- October 12, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 12 Oct 2026 | 55.8% | 1,873 |
| 11 Oct 2026 | 55.9% | 1,874 |
| 10 Oct 2026 | 55.9% | 1,876 |
| 9 Oct 2026 | 56.0% | 1,878 |
| 8 Oct 2026 | 56.0% | 1,879 |
| 7 Oct 2026 | 56.1% | 1,881 |
| 6 Oct 2026 | 56.1% | 1,881 |
| 5 Oct 2026 | 56.1% | 1,883 |
| 4 Oct 2026 | 56.2% | 1,885 |
| 3 Oct 2026 | 56.3% | 1,887 |
| 2 Oct 2026 | 56.3% | 1,887 |
| 1 Oct 2026 | 56.3% | 1,889 |