Reservoir · Nevada · United States · USGS NWIS
Walker Lake
83.2% full
Capacity
1,729.34 hm³
Volume stored
1438 hm³
Coordinates
38.677°N, 118.772°W
Last updated
2026-08-13
Current fill
83.2%vs 7 days ago
-0.2%losing
vs 1 year ago
-6.9%year-over-year
7-day trend
→stable
Data source: USGS National Water Information System (NWIS) — 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: 2026-08-13.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 38.677, -118.772 · Open in Google Maps
About Walker Lake
As of August 13, 2026, Walker Lake is filled to 83.2% of its total capacity, holding roughly 1,438 hm³ of water out of a maximum 1,729 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.2 pts), and it is 6.9 points below its level on the same date a year earlier.
Across the readings we hold for Walker Lake — 1461 data points between August 14, 2022 and August 13, 2026 — the level has ranged from a low of 67.5% (December 28, 2022) to a high of 100.0% (June 12, 2024). On average the reservoir is fullest around July and at its lowest around December.
It is operated by USGS primarily for multiple purposes. It lies within the Nevada basin at 38.677°N, 118.772°W.
Key facts
- Current fill level
- 83.2%
- Water stored
- 1,438 hm³
- Total capacity
- 1,729 hm³
- 7-day change
- ▼ 0.2 pts
- Year-on-year
- ▼ 6.9 pts
- Primary use
- Multipurpose
- River basin
- Nevada
- Operator
- USGS
- Coordinates
- 38.677°N, 118.772°W
- Last updated
- August 13, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 13 Aug 2026 | 83.2% | 1,438 |
| 12 Aug 2026 | 83.2% | 1,438 |
| 11 Aug 2026 | 83.2% | 1,438 |
| 10 Aug 2026 | 83.2% | 1,439 |
| 9 Aug 2026 | 83.3% | 1,441 |
| 8 Aug 2026 | 83.3% | 1,441 |
| 7 Aug 2026 | 83.3% | 1,441 |
| 6 Aug 2026 | 83.4% | 1,442 |
| 5 Aug 2026 | 83.5% | 1,443 |
| 4 Aug 2026 | 83.5% | 1,443 |
| 3 Aug 2026 | 83.5% | 1,444 |
| 2 Aug 2026 | 83.6% | 1,446 |
Frequently asked questions
What is the current water level of Walker Lake?
As of August 13, 2026, Walker Lake is at 83.2% of its capacity, holding approximately 1,438 hm³ of water, according to USGS NWIS data.
Is Walker Lake reservoir full?
No. As of August 13, 2026, Walker Lake is high at 83.2% of its capacity, so it is not full.
Is the water level at Walker Lake rising or falling?
The level at Walker Lake has been broadly stable over the latest week on record (-0.2 points).
How much water can Walker Lake hold?
Walker Lake has a total capacity of 1,729 hm³.
Where is Walker Lake reservoir located?
Walker Lake is located in Nevada, United States, within the Nevada basin (coordinates 38.677°N, 118.772°W).
What is Walker Lake used for?
Walker Lake is used primarily for multiple purposes, and is managed by USGS.