Reservoir · California · United States · CDEC
DEL VALLE
36.6% full
Capacity
95.1 hm³
Volume stored
35 hm³
Vs month average
84% of normal
Coordinates
37.614°N, 121.745°W
Last updated
2026-10-29
Current fill
36.6%vs 7 days ago
-0.7 pplosing
vs 1 year ago
-9.3 ppyear-over-year
7-day trend
→stable
Drought context
Storage vs October average
84%of normal
36.6% full on 2026-10-29, against an average of 43.4% for October across 6 years of readings (-6.8 points).
Drought Monitor at this site · 27 October 2026
Nonenot in a drought category
DEL VALLE's coordinates fall outside every category on 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: 2026-10-29.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 37.614°N, 121.745°W · Open in Google Maps
About DEL VALLE
As of October 29, 2026, DEL VALLE is filled to 36.6% of its total capacity, holding 34.84 hm³ of water out of a maximum 95.1 hm³. At this level the reservoir is low.
Over the most recent week on record the fill level has held broadly steady (-0.7 pp), and it is 9.3 points below its level on the same date a year earlier.
Across the readings we hold for DEL VALLE — 1824 data points between October 31, 2021 and October 29, 2026 — the level has ranged from a low of 33.2% (December 3, 2024) to a high of 70.0% (January 16, 2023). On average the reservoir is fullest around May and at its lowest around December.
It is operated by CDEC primarily for multiple purposes. It is at 37.614°N, 121.745°W.
Key facts
- Current fill level
- 36.6% of total capacity
- Water stored
- 34.84 hm³
- Total capacity
- 95.1 hm³
- 7-day change
- ▼ 0.7 pp
- Year-on-year
- ▼ 9.3 pp
- Primary use
- Multipurpose
- Operator
- CDEC
- Coordinates
- 37.614°N, 121.745°W
- Last updated
- October 29, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 29 Oct 2026 | 36.6% | 34.84 |
| 28 Oct 2026 | 36.8% | 35 |
| 27 Oct 2026 | 36.9% | 35.13 |
| 26 Oct 2026 | 37.1% | 35.26 |
| 25 Oct 2026 | 37.2% | 35.36 |
| 24 Oct 2026 | 37.2% | 35.39 |
| 23 Oct 2026 | 37.2% | 35.41 |
| 22 Oct 2026 | 37.3% | 35.43 |
| 21 Oct 2026 | 37.3% | 35.45 |
| 20 Oct 2026 | 37.3% | 35.45 |
| 19 Oct 2026 | 37.3% | 35.46 |
| 18 Oct 2026 | 37.3% | 35.5 |