Reservoir · California · United States · CDEC
NEW HOGAN LAKE
73.7% full
Capacity
268.17 hm³
Volume stored
198 hm³
Coordinates
38.152°N, 120.812°W
Last updated
2026-09-17
Current fill
73.7%vs 7 days ago
-1.1%losing
vs 1 year ago
-0.7%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: 2026-09-17.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 38.152, -120.812 · Open in Google Maps
About NEW HOGAN LAKE
As of September 17, 2026, NEW HOGAN LAKE is filled to 73.7% of its total capacity, holding roughly 198 hm³ of water out of a maximum 268 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 (-1.1 pts), and it sits close to where it was a year earlier.
Across the readings we hold for NEW HOGAN LAKE — 1824 data points between September 19, 2021 and September 17, 2026 — the level has ranged from a low of 22.7% (November 28, 2022) to a high of 105.0% (January 17, 2023). On average the reservoir is fullest around April and at its lowest around November.
It is operated by CDEC primarily for multiple purposes. It lies within the California basin at 38.152°N, 120.812°W.
Key facts
- Current fill level
- 73.7%
- Water stored
- 198 hm³
- Total capacity
- 268 hm³
- 7-day change
- ▼ 1.1 pts
- Year-on-year
- ▼ 0.7 pts
- Primary use
- Multipurpose
- River basin
- California
- Operator
- CDEC
- Coordinates
- 38.152°N, 120.812°W
- Last updated
- September 17, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 17 Sep 2026 | 73.7% | 198 |
| 16 Sep 2026 | 73.9% | 198 |
| 15 Sep 2026 | 74.1% | 199 |
| 14 Sep 2026 | 74.2% | 199 |
| 13 Sep 2026 | 74.4% | 199 |
| 12 Sep 2026 | 74.5% | 200 |
| 11 Sep 2026 | 74.7% | 200 |
| 10 Sep 2026 | 74.8% | 201 |
| 9 Sep 2026 | 75.0% | 201 |
| 8 Sep 2026 | 75.2% | 202 |
| 7 Sep 2026 | 75.4% | 202 |
| 6 Sep 2026 | 75.5% | 203 |