Reservoir · California · United States · CDEC
TRM
36.4% full
Capacity
230.01 hm³
Volume stored
84 hm³
Coordinates
36.415°N, 119.002°W
Last updated
2026-07-08
Current fill
36.4%vs 7 days ago
-1.5%losing
vs 1 year ago
-56.1%year-over-year
7-day trend
→stable
Data source: CDEC — California Dept of Water Resources — daily reservoir storage volume. Design capacity is unavailable for this site, so fill % is estimated against the 5-year maximum storage and may overstate fullness. Last reading: 2026-07-08.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 36.415, -119.002 · Open in Google Maps
About TRM
As of July 8, 2026, TRM is filled to 36.4% of its total capacity, holding roughly 84 hm³ of water out of a maximum 230 hm³. At this level the reservoir is low.
Over the most recent week on record the fill level has held broadly steady (-1.5 pts), and it is 56.1 points below its level on the same date a year earlier.
Across the readings we hold for TRM — 1822 data points between July 10, 2021 and July 8, 2026 — the level has ranged from a low of 5.6% (October 29, 2022) to a high of 100.0% (March 16, 2023). On average the reservoir is fullest around June and at its lowest around October.
It is operated by CDEC primarily for multiple purposes. It lies within the California basin at 36.415°N, 119.002°W.
Key facts
- Current fill level
- 36.4%
- Water stored
- 84 hm³
- Total capacity
- 230 hm³
- 7-day change
- ▼ 1.5 pts
- Year-on-year
- ▼ 56.1 pts
- Primary use
- Multipurpose
- River basin
- California
- Operator
- CDEC
- Coordinates
- 36.415°N, 119.002°W
- Last updated
- July 8, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 8 Jul 2026 | 36.4% | 84 |
| 7 Jul 2026 | 37.9% | 87 |
| 6 Jul 2026 | 39.2% | 90 |
| 5 Jul 2026 | 40.6% | 93 |
| 4 Jul 2026 | 41.9% | 96 |
| 3 Jul 2026 | 43.3% | 100 |
| 2 Jul 2026 | 44.8% | 103 |
| 1 Jul 2026 | 46.6% | 107 |
| 30 Jun 2026 | 48.2% | 111 |
| 29 Jun 2026 | 49.8% | 115 |
| 28 Jun 2026 | 51.6% | 119 |
| 27 Jun 2026 | 53.3% | 123 |
Frequently asked questions
What is the current water level of TRM?
As of July 8, 2026, TRM is at 36.4% of its capacity, holding approximately 84 hm³ of water, according to CDEC (CA DWR) data.
Is TRM reservoir full?
No. As of July 8, 2026, TRM is low at 36.4% of its capacity, so it is not full.
Is the water level at TRM rising or falling?
The level at TRM has been broadly stable over the latest week on record (-1.5 points).
How much water can TRM hold?
TRM has a total capacity of 230 hm³.
Where is TRM reservoir located?
TRM is located in California, United States, within the California basin (coordinates 36.415°N, 119.002°W).
What is TRM used for?
TRM is used primarily for multiple purposes, and is managed by CDEC.