Reservoir · Nevada · United States · USGS NWIS
Marlette Lake
49.3% full
Capacity
12.83 hm³
Volume stored
6 hm³
Coordinates
39.173°N, 119.906°W
Last updated
2026-08-12
Current fill
49.3%vs 7 days ago
-0.3%losing
vs 1 year ago
+12.5%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: 2026-08-12.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 39.173, -119.906 · Open in Google Maps
About Marlette Lake
As of August 12, 2026, Marlette Lake is filled to 49.3% of its total capacity, holding roughly 6 hm³ of water out of a maximum 13 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 (-0.3 pts), and it is 12.5 points above its level on the same date a year earlier.
Across the readings we hold for Marlette Lake — 1460 data points between August 14, 2022 and August 12, 2026 — the level has ranged from a low of 36.3% (September 30, 2025) to a high of 105.0% (August 14, 2022). On average the reservoir is fullest around January and at its lowest around May.
It is operated by USGS primarily for multiple purposes. It lies within the Nevada basin at 39.173°N, 119.906°W.
Key facts
- Current fill level
- 49.3%
- Water stored
- 6 hm³
- Total capacity
- 13 hm³
- 7-day change
- ▼ 0.3 pts
- Year-on-year
- ▲ 12.5 pts
- Primary use
- Multipurpose
- River basin
- Nevada
- Operator
- USGS
- Coordinates
- 39.173°N, 119.906°W
- Last updated
- August 12, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 12 Aug 2026 | 49.3% | 6 |
| 11 Aug 2026 | 49.3% | 6 |
| 10 Aug 2026 | 49.3% | 6 |
| 9 Aug 2026 | 49.4% | 6 |
| 8 Aug 2026 | 49.5% | 6 |
| 7 Aug 2026 | 49.5% | 6 |
| 6 Aug 2026 | 49.5% | 6 |
| 5 Aug 2026 | 49.6% | 6 |
| 4 Aug 2026 | 49.6% | 6 |
| 3 Aug 2026 | 49.6% | 6 |
| 2 Aug 2026 | 49.6% | 6 |
| 1 Aug 2026 | 49.7% | 6 |
Frequently asked questions
What is the current water level of Marlette Lake?
As of August 12, 2026, Marlette Lake is at 49.3% of its capacity, holding approximately 6 hm³ of water, according to USGS NWIS data.
Is Marlette Lake reservoir full?
No. As of August 12, 2026, Marlette Lake is within its normal operating range at 49.3% of its capacity, so it is not full.
Is the water level at Marlette Lake rising or falling?
The level at Marlette Lake has been broadly stable over the latest week on record (-0.3 points).
How much water can Marlette Lake hold?
Marlette Lake has a total capacity of 13 hm³.
Where is Marlette Lake reservoir located?
Marlette Lake is located in Nevada, United States, within the Nevada basin (coordinates 39.173°N, 119.906°W).
What is Marlette Lake used for?
Marlette Lake is used primarily for multiple purposes, and is managed by USGS.