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| WEST WALKER RIVER - HOYE BRIDGE (HOYN2) | ||||||||||||||||||
| Latitude: 38.73º N | Longitude: 119.43º W | Elevation: 4980 Feet | ||||||||||||||||
| Location: Douglas County in NV | ||||||||||||||||||
| River Group: Eastern Sierra | ||||||||||||||||||
| Issuance Time: | Aug 31 2026 at 8:47 AM PDT |
| Please Note: | Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty. |
| 10-Day Accumulated Volume Plot |

| Tabular 10-Day Streamflow Volume Accumulation (1000s of Acre-Feet) Data Updated: Aug 31 2026 at 8:55 AM PDT | ||||||||||
| Prob | Sep 01 | Sep 02 | Sep 03 | Sep 04 | Sep 05 | |||||
| 10% (Max) | 0.3 | 0.6 | 0.8 | 1.1 | 1.4 | |||||
| 25% | 0.3 | 0.6 | 0.8 | 1.1 | 1.4 | |||||
| 50% (Prob) | 0.3 | 0.6 | 0.8 | 1.1 | 1.4 | |||||
| 75% | 0.3 | 0.6 | 0.8 | 1.1 | 1.4 | |||||
| 90% (Min) | 0.3 | 0.6 | 0.8 | 1.1 | 1.4 | |||||
| RFC FCST | 0.3 | 0.6 | 0.8 | 1.1 | 1.4 | |||||
| Prob | Sep 06 | Sep 07 | Sep 08 | Sep 09 | Sep 10 | |||||
| 10% (Max) | 1.7 | 2.0 | 2.2 | 2.5 | 2.8 | |||||
| 25% | 1.7 | 2.0 | 2.2 | 2.5 | 2.8 | |||||
| 50% (Prob) | 1.7 | 2.0 | 2.2 | 2.5 | 2.8 | |||||
| 75% | 1.7 | 2.0 | 2.2 | 2.5 | 2.8 | |||||
| 90% (Min) | 1.7 | 2.0 | 2.2 | 2.5 | 2.8 | |||||
| Location Photographs | ||
| ESRI™ Locator Map |
| Flood Impacts | |
| 10.5 Feet | Major flooding below Topaz Lake to Mason, including the Smith Valley and Wellington area. Many buildings, roads flooded or washed out, with major damage to agricultural lands. Transportation affected with NV route 208 in Smith Valley/Wilson Canyon likely damaged or washed out in some areas. |
| 10.0 Feet | Major flooding below Topaz Lake to Mason, including the Smith Valley and Wellington area. Many buildings, roads flooded or washed out, with major damage to agricultural lands. Transportation affected with NV Route 208 in Smith Valley/Wilson Canyon possibly damaged or washed out in some areas. |
| 9.5 Feet | Moderate flooding of area along the West Walker River from Topaz Lake to Mason including the Smith and Wellington areas. Flooding of some roads, yards and basements near the river in the Smith-Wellington area. |
| 9.0 Feet | Moderate flooding of lowlands, agricultural land and rural roads along the West Walker River from Topaz Lake to Mason including the Smith and Wellington areas. Some flooding of lowest yards and basements near river in the Smith-Wellington area. |
| 8.5 Feet | Minor to moderate flooding of lowlands, agricultural land, and rural roads along the West Walker River from Topaz Lake to Mason including the Smith and Wellington areas. Very limited flooding of lowest yards and basements near river in the Smith-Wellington area. |
| 8.0 Feet | Flood Stage. Minor flooding of lowlands, pasture & rural roads on the West Walker from Topaz Lake to Mason, including the Smith and Wellington areas. |
| 7.5 Feet | Some inundation of the lowest portions of reach on the West Walker from Topaz Lake to Mason, including the Smith and Wellington areas. |
| 7.0 Feet | Monitor Stage. No flooding. Approx. 1940 cfs. |