West Walker River near Coleville (Upper Gage)

Last updated: Jul 3, 2025, 6:03 AM UTC
Red Flag Warning
Lake Wind Advisory

Flood Impacts 🅘

  • 10.5 - Incredible flood disaster with massive and uncertain impacts in excess of the January 1997 event.
  • 10 - Flood of record. Highway 395 in West Walker River Canyon closed for months. Massive destruction to infrastructure and economy including transportation, power, water, homes, businesses, etc. Area isolated. Near this flow in January 1997 a 6.5-mile stretch of Highway 395 completely scoured with debris from the canyon deposited in the town of Walker.
  • 9.5 - Near record flooding. Area cut off as most transportation routes into area destroyed or flooded. Massive destruction of infrastructure and economy including utilities, roads, business, homes, etc.

Gauge Info

Coordinates 38.3797, -119.449
RFC CNRFC
State CA
WFO REV
County Mono
Data Provider(s)
US Geological Survey USGS--Water Resources of the United States
USGS 10296000

Gauge Location

Recent Crests

1. 6.57 ft on 06-19-2023 (P)
2. 5.94 ft on 10-25-2021 (P)
3. 5.89 ft on 06-07-2019 (P)
4. 6.09 ft on 04-08-2018 (P)
5. 7.02 ft on 06-20-2017 (P)

Historic Crests

1. 9.99 ft on 01-02-1997 (P)
2. 7.85 ft on 11-20-1950 (P)
3. 7.65 ft on 12-11-1937 (P)
4. 7.33 ft on 12-23-1955 (P)
5. 7.02 ft on 06-20-2017 (P)

Vertical Datum Table

type NGVD29
major Flooding 6598.69 ft
moderate Flooding 6598.19 ft
minor Flooding 6597.39 ft
action 6596.89 ft
Latest Value 6593.48 ft
Gauge Zero 6591.39 ft

Gauge Photos

Photo 1 of 6

Downstream view from gage site, 5/5/2005, about 840 cfs.

Probability Information

Photo 1 of 3

Unique Local Info

Reported historic crest estimates have been normalized using USGS Rating 28.0 (as of 10/24/2023) due to previous channel, location and/or datum changes. For observed crests please go to:https://nwis.waterdata.usgs.gov/usa/nwis/peak/?site_no=10293500

Collaborative Agencies

The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.

WFO Information

Weather Forecast Office
Reno
2350 Raggio Pkwy
Reno, NV 89512-3900
Official Homepage