Reservoir · Nevada · United States · USGS NWIS
LAHONTAN RES NR FALLON, NV
47.8% full
Capacity
391.26 hm³
Volume stored
187 hm³
Coordinates
39.462°N, 119.068°W
Last updated
2026-07-29
Current fill
47.8%vs 7 days ago
-0.4%losing
vs 1 year ago
-22.5%year-over-year
7-day trend
→stable
Data source: USGS National Water Information System (NWIS) — 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: 2026-07-29.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 39.462, -119.068 · Open in Google Maps
About LAHONTAN RES NR FALLON, NV
As of July 29, 2026, LAHONTAN RES NR FALLON, NV is filled to 47.8% of its total capacity, holding roughly 187 hm³ of water out of a maximum 391 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 (-0.4 pts), and it is 22.5 points below its level on the same date a year earlier.
Across the readings we hold for LAHONTAN RES NR FALLON, NV — 1461 data points between July 30, 2022 and July 29, 2026 — the level has ranged from a low of 3.0% (October 17, 2022) to a high of 95.7% (May 31, 2024). On average the reservoir is fullest around June and at its lowest around November.
It is operated by USGS primarily for multiple purposes. It lies within the Nevada basin at 39.462°N, 119.068°W.
Key facts
- Current fill level
- 47.8%
- Water stored
- 187 hm³
- Total capacity
- 391 hm³
- 7-day change
- ▼ 0.4 pts
- Year-on-year
- ▼ 22.5 pts
- Primary use
- Multipurpose
- River basin
- Nevada
- Operator
- USGS
- Coordinates
- 39.462°N, 119.068°W
- Last updated
- July 29, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 29 Jul 2026 | 47.8% | 187 |
| 28 Jul 2026 | 48.2% | 189 |
| 27 Jul 2026 | 48.7% | 190 |
| 26 Jul 2026 | 49.1% | 192 |
| 25 Jul 2026 | 49.6% | 194 |
| 24 Jul 2026 | 50.0% | 196 |
| 23 Jul 2026 | 50.4% | 197 |
| 22 Jul 2026 | 50.9% | 199 |
| 21 Jul 2026 | 51.3% | 201 |
| 20 Jul 2026 | 51.8% | 203 |
| 19 Jul 2026 | 52.2% | 204 |
| 18 Jul 2026 | 52.7% | 206 |
Frequently asked questions
What is the current water level of LAHONTAN RES NR FALLON, NV?
As of July 29, 2026, LAHONTAN RES NR FALLON, NV is at 47.8% of its capacity, holding approximately 187 hm³ of water, according to USGS NWIS data.
Is LAHONTAN RES NR FALLON, NV reservoir full?
No. As of July 29, 2026, LAHONTAN RES NR FALLON, NV is within its normal operating range at 47.8% of its capacity, so it is not full.
Is the water level at LAHONTAN RES NR FALLON, NV rising or falling?
The level at LAHONTAN RES NR FALLON, NV has been broadly stable over the latest week on record (-0.4 points).
How much water can LAHONTAN RES NR FALLON, NV hold?
LAHONTAN RES NR FALLON, NV has a total capacity of 391 hm³.
Where is LAHONTAN RES NR FALLON, NV reservoir located?
LAHONTAN RES NR FALLON, NV is located in Nevada, United States, within the Nevada basin (coordinates 39.462°N, 119.068°W).
What is LAHONTAN RES NR FALLON, NV used for?
LAHONTAN RES NR FALLON, NV is used primarily for multiple purposes, and is managed by USGS.