Reservoir · Nevada · United States · USGS NWIS
Wild Horse Reservoir
32.0% full
Capacity
88.39 hm³
Volume stored
28 hm³
Coordinates
41.687°N, 115.845°W
Last updated
2026-09-30
Current fill
32.0%vs 7 days ago
-0.5%losing
vs 1 year ago
-33.4%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: 2026-09-30.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 41.687, -115.845 · Open in Google Maps
About Wild Horse Reservoir
As of September 30, 2026, Wild Horse Reservoir is filled to 32.0% of its total capacity, holding roughly 28 hm³ of water out of a maximum 88 hm³. At this level the reservoir is low.
Over the most recent week on record the fill level has held broadly steady (-0.5 pts), and it is 33.4 points below its level on the same date a year earlier.
Across the readings we hold for Wild Horse Reservoir — 1309 data points between October 1, 2022 and September 30, 2026 — the level has ranged from a low of 32.0% (September 29, 2026) to a high of 105.0% (April 14, 2024). On average the reservoir is fullest around May and at its lowest around December.
It is operated by USGS primarily for multiple purposes. It lies within the Nevada basin at 41.687°N, 115.845°W.
Key facts
- Current fill level
- 32.0%
- Water stored
- 28 hm³
- Total capacity
- 88 hm³
- 7-day change
- ▼ 0.5 pts
- Year-on-year
- ▼ 33.4 pts
- Primary use
- Multipurpose
- River basin
- Nevada
- Operator
- USGS
- Coordinates
- 41.687°N, 115.845°W
- Last updated
- September 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Sep 2026 | 32.0% | 28 |
| 29 Sep 2026 | 32.0% | 28 |
| 28 Sep 2026 | 32.1% | 28 |
| 27 Sep 2026 | 32.2% | 28 |
| 26 Sep 2026 | 32.3% | 29 |
| 25 Sep 2026 | 32.4% | 29 |
| 24 Sep 2026 | 32.4% | 29 |
| 23 Sep 2026 | 32.5% | 29 |
| 22 Sep 2026 | 32.5% | 29 |
| 21 Sep 2026 | 32.5% | 29 |
| 20 Sep 2026 | 32.6% | 29 |
| 19 Sep 2026 | 32.6% | 29 |