Reservoir · California · United States · CDEC
NEW MELONES RESERVOIR
55.3% full
Capacity
3,355.07 hm³
Volume stored
1856 hm³
Vs month average
110% of normal
Coordinates
37.948°N, 120.525°W
Last updated
2026-11-01
Current fill
55.3%vs 7 days ago
0.0 ppstable
vs 1 year ago
-4.1 ppyear-over-year
7-day trend
→stable
Drought context
Storage vs November average
110%of normal
55.3% full on 2026-11-01, against an average of 50.1% for November across 6 years of readings (+5.2 points).
Drought Monitor at this site · 27 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: 2026-11-01.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 37.948°N, 120.525°W · Open in Google Maps
About NEW MELONES RESERVOIR
As of November 1, 2026, NEW MELONES RESERVOIR is filled to 55.3% of its total capacity, holding 1,856 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 (+0.0 pp), and it is 4.1 points below its level on the same date a year earlier.
Across the readings we hold for NEW MELONES RESERVOIR — 1825 data points between November 3, 2021 and November 1, 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 is at 37.948°N, 120.525°W.
Key facts
- Current fill level
- 55.3% of total capacity
- Water stored
- 1,856 hm³
- Total capacity
- 3,355 hm³
- 7-day change
- No change
- Year-on-year
- ▼ 4.1 pp
- Primary use
- Multipurpose
- Operator
- CDEC
- Coordinates
- 37.948°N, 120.525°W
- Last updated
- November 1, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 1 Nov 2026 | 55.3% | 1,856 |
| 31 Oct 2026 | 55.3% | 1,855 |
| 30 Oct 2026 | 55.3% | 1,856 |
| 29 Oct 2026 | 55.3% | 1,857 |
| 28 Oct 2026 | 55.4% | 1,859 |
| 27 Oct 2026 | 55.4% | 1,858 |
| 26 Oct 2026 | 55.3% | 1,857 |
| 25 Oct 2026 | 55.3% | 1,857 |
| 24 Oct 2026 | 55.3% | 1,857 |
| 23 Oct 2026 | 55.4% | 1,858 |
| 22 Oct 2026 | 55.4% | 1,860 |
| 21 Oct 2026 | 55.5% | 1,861 |