Back to Obs River Map | <<< Previous River Point | | | Next River Point >>> | Printer Version |
Latitude: 38.38º N | Longitude: 119.45º W | Elevation: 6591 Feet | |
Location: Mono County in California | River Group: Eastern Sierra |
Monitor Stage: 5.5 Feet | Flood Stage: 6.0 Feet |
Observed Data Credit | |
![]() | Raw streamflow data is provided by the US Geological Survey (USGS). |
Historical Stage/Flow Data |
|||
Water Year
|
Peak Discharge (cfs)
|
Stage (feet)
|
Date
|
Most Recent 5 Years | |||
2022 |
3,030 |
6.05 |
Oct 25, 2021 |
2021 |
909 |
3.65 |
May 7, 2021 |
2020 |
1,300 |
4.19 |
Apr 29, 2020 |
2019 |
2,970 |
6.16 |
Jun 7, 2019 |
2018 |
3,320 |
5.76 |
Apr 7, 2018 |
Historical High Stage/Flow Events (Period of Record - Apr 1938 to Present) - Ranked by Flow | |||
1997* |
12,300 |
10.11 |
Jan 02, 1997 |
1951* |
6,220 |
8.10 |
Nov 20, 1950 |
1938* |
5,800 |
-- |
Dec 11, 1937 |
1956* |
5,180 |
7.41 |
Dec 23, 1955 |
1996* |
4,610 |
6.55 |
May 16, 1996 |
* Numerous small gage location changes, some including datum changes, prior to Mar 1997. |
Location Photographs | ||
ESRI™ Locator Map |
Official 7 Day National Weather Service Forecast (CAZ073) |
Today: Partly cloudy in the morning then becoming mostly cloudy. Highs 51 to 61. West winds around 10 mph in the morning becoming light. Tonight: Mostly cloudy. Lows 19 to 29. West winds 10 to 15 mph. Monday: Partly cloudy. Highs 46 to 56. West winds around 10 mph in the morning becoming light. Monday Night: Partly cloudy in the evening then clearing. Lows 13 to 23. Light winds. Tuesday: Sunny. Highs 37 to 47. Light winds becoming north around 10 mph in the afternoon. Tuesday Night: Clear. Lows 11 to 21. Wednesday: Sunny. Highs 40 to 50. Wednesday Night and Thursday: Partly cloudy. Lows 14 to 24. Highs 44 to 54. Thursday Night through Friday Night: Mostly cloudy. Lows 18 to 28. Highs 45 to 55. Saturday: Partly cloudy. Highs 46 to 56. |
Impacts - E19 Information | |
5.5 Feet | Monitor stage. No flooding in reach from West Walker River Canyon through Antelope Valley CA, including Walker, Coleville, and Topaz CA. |
6.0 Feet | Flood Stage. Minor flooding of lowlands, pasture, and rural roads in West Walker River Canyon and Antelope Valley, including Walker, Coleville, and Topaz CA. Roughly similar to late May 2005, and slightly below peaks of June 2010 and May 2006. |
6.5 Feet | Moderate flooding of lowlands, pasture, and some rural roads from the West Walker River Canyon to Topaz Lake, including Walker, Coleville, and Topaz CA. Similar to peak of June 2011, and slightly below the peak of June 2017. |
7.0 Feet | Significant flooding of lowlands, agricultural land, yards, basements, rural roads in the West Walker River Canyon and in Antelope Valley, including Walker, Coleville, and Topaz CA. Flooding of structures limited although sandbagging necessary. Roughly similar to May 1996 flood, and slightly in excess of June 2017 peak. |
7.3 Feet | Major flooding in the West Walker River Canyon and in Antelope Valley - Walker, Coleville, and Topaz CA. Many buildings, roads flooded and washed out, with major damage to agricultural lands. Extensive sandbagging required to protect property. Transportation affected. Severe damage to Highway 395 in West Walker Canyon possible. |
7.5 Feet | Major flooding in the West Walker Canyon and in Antelope Valley - Walker, Coleville, and Topaz CA. Many buildings, roads flooded and washed out. Major damage to agricultural lands. Extensive sandbagging required to protect property. Transportation affected. Severe damage to Highway 395 in West Walker Canyon. |
8.0 Feet | Flooding near disaster levels in the West Walker Canyon and in Antelope Valley - Walker, Coleville, and Topaz CA. Numerous structures flooded and roads washed out. Many sections of Highway 395 destroyed in West Walker Canyon. Major damage to agricultural land due to erosion and destroyed facilities, diversion dams, headgates, canals, levees. |
8.25 Feet | Flood disaster in West Walker Canyon and in Antelope Valley. Widespread flood damage to roads, bridges, homes, and structures along river. Severe damage to Highway 395 in West Walker Canyon with highway likely closed. Historically this flow has been reached or exceeded only once in January 1997. |
8.8 Feet | Flood disaster from Walker River Canyon to Antelope Valley/Topaz Lake. Widespread flood damage to roads, bridges, homes, and structures along river. Severe damage to Highway 395 in West Walker River Canyon with the highway probably closed. Historically this flow has been exceeded only once, in January 1997. |
9.5 Feet | Near record flooding. Area cut off as most transportation routes into area destroyed/flooded. Massive destruction of infrastructure and economy including utilities, roads, business, homes, etc. |
10.25 Feet | 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. At this stage in January 1997, a 6.5 mile stretch of Highway 395 completely scoured with debris from canyon deposited in the town of Walker. |
10.5 Feet | Incredible flood disaster in excess of January 1997 event. |
Product Disclaimer |
This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS Reno Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only. |