Reservoir · California · United States · CDEC
CCH
103.7% full
Capacity
212.78 hm³
Volume stored
221 hm³
Coordinates
34.583°N, 119.980°W
Last updated
2026-07-07
Current fill
103.7%vs 7 days ago
-0.1%losing
vs 1 year ago
-1.3%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: 2026-07-07.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 34.583, -119.980 · Open in Google Maps
About CCH
As of July 7, 2026, CCH is filled to 103.7% of its total capacity, holding roughly 221 hm³ of water out of a maximum 213 hm³. At this level the reservoir is effectively full.
Over the most recent week on record the fill level has held broadly steady (-0.1 pts), and it is 1.3 points below its level on the same date a year earlier.
Across the readings we hold for CCH — 1815 data points between July 10, 2021 and July 7, 2026 — the level has ranged from a low of 35.3% (December 7, 2022) to a high of 105.0% (January 19, 2023). On average the reservoir is fullest around February and at its lowest around November.
It is operated by CDEC primarily for multiple purposes. It lies within the California basin at 34.583°N, 119.980°W.
Key facts
- Current fill level
- 103.7%
- Water stored
- 221 hm³
- Total capacity
- 213 hm³
- 7-day change
- ▼ 0.1 pts
- Year-on-year
- ▼ 1.3 pts
- Primary use
- Multipurpose
- River basin
- California
- Operator
- CDEC
- Coordinates
- 34.583°N, 119.980°W
- Last updated
- July 7, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 7 Jul 2026 | 103.7% | 221 |
| 6 Jul 2026 | 103.8% | 221 |
| 5 Jul 2026 | 103.9% | 221 |
| 4 Jul 2026 | 104.0% | 221 |
| 3 Jul 2026 | 104.1% | 221 |
| 2 Jul 2026 | 104.2% | 222 |
| 1 Jul 2026 | 104.3% | 222 |
| 30 Jun 2026 | 104.4% | 222 |
| 29 Jun 2026 | 104.5% | 222 |
| 28 Jun 2026 | 104.5% | 222 |
| 27 Jun 2026 | 104.7% | 223 |
| 26 Jun 2026 | 104.8% | 223 |
Frequently asked questions
What is the current water level of CCH?
As of July 7, 2026, CCH is at 103.7% of its capacity, holding approximately 221 hm³ of water, according to CDEC (CA DWR) data.
Is CCH reservoir full?
CCH is essentially full, sitting at 103.7% of capacity as of July 7, 2026.
Is the water level at CCH rising or falling?
The level at CCH has been broadly stable over the latest week on record (-0.1 points).
How much water can CCH hold?
CCH has a total capacity of 213 hm³.
Where is CCH reservoir located?
CCH is located in California, United States, within the California basin (coordinates 34.583°N, 119.980°W).
What is CCH used for?
CCH is used primarily for multiple purposes, and is managed by CDEC.