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Latitude: 40.41º N | Longitude: 120.66º W | Elevation: 4190 Feet | |||
Location: Lassen County in California | Bulletin Group: Eastern Sierra | River Group: Eastern Sierra |
Action/Monitor: 10.5 Feet | Minor Flood: 12.0 Feet | Moderate Flood: 13.0 Feet | Major Flood: 14.0 Feet |
Observed Data Credit | |
Raw streamflow data is provided by the California Department of Water Resources. |
Historical Stage/Flow Data |
|||
Water Year
|
Peak Discharge (cfs)
|
Stage (feet)
|
Date
|
Most Recent 5 Years | |||
2023* |
1,810** |
11.05 |
Dec 30, 2022 |
2022* |
1,520** |
10.30 |
Oct 25, 2021 |
2021* |
106** |
4.70 |
Feb 12, 2021 |
2020* |
194** |
5.34 |
Apr 1, 2020 |
2019* |
1,310** |
9.71 |
Feb 14, 2019 |
Historical High Stage/Flow Events (Period of Record - Discontinuous Jul 1951 to Present)**** - Ranked by Flow | |||
1970* |
5,850 |
8.89*** |
Jan 24, 1970 |
1997* |
5,150** |
11.75*** |
Jan 02, 1997 |
1986* |
5,120 |
8.33*** |
Feb 17, 1986 |
1965* |
5,100 |
7.30*** |
Dec 22, 1964 |
1982* |
4,560 |
7.95*** |
Nov 23, 1981 |
* Discharge affected by regulation or diversion | |||
** Estimated flow (Not Official) | |||
*** USGS gage located 0.5 mile upstream at different datum. | |||
**** Most recent record back to Jul 1951 (missing 1995 to 2000) with segmented periods back to Jun 1900 |
Location Photographs | ||
ESRI™ Locator Map |
Impacts - E19 Information | |
18.5 Feet | Record flooding from Susanville to Honey Lake...including Susanville...Johnstonville...Leavitt Lake...Standish and Litchfield areas. Extensive damage to homes...businesses...schools...roads... bridges and water systems throughout Honey Lake Valley. Transportation in and out of valley cut off as US Highway 395 and Highway 36 are flooded or washed out. Extensive power...phone...and rural water system impacts. Like record flood of January 24 1970. |
18.0 Feet | Near record flooding from Susanville to Honey Lake...including Susanville...Johnstonville...Leavitt Lake...Standish and Litchfield areas. Extensive damage to homes...businesses...schools...roads...bridges and water systems in flood plain throughout Honey Lake Valley. Transportation in and out of Honey Lake Valley is cut off as US Highway 395 and Highway 36 are flooded or washed out. Extensive power...phone and rural water system impacts. Only exceeded by flood of January 24 1970. |
17.5 Feet | Near record flooding from Susanville to Honey Lake...including Susanville...Johnstonville...Leavitt Lake...Standish and Litchfield areas. Severe damage to homes...businesses...schools... roadways...bridges and water systems in flood plain throughout Honey Lake Valley. Transportation in valley difficult as US Highway 395 and Highway 36 are flooded or washed out. Extensive power...phone and rural water system impacts. Slightly higher than floods of February 17 1986 and January 2 1997. |
17.0 Feet | Major flood damage from Susanville to Honey Lake...including Susanville...Johnstonville...Leavitt Lake...Standish and Litchfield areas. Homes...businesses...schools... roadways...bridges and water systems flooded throughout Honey Lake Valley. Transportation very difficult as US Highway 395 and Highway 36 are flooded or washed out. Extensive power...phone and rural water system impacts. Slightly less severe than floods of December 22 1964...February 17 1986 and January 2 1997. |
16.5 Feet | Major flood damage from Susanville to Honey Lake...including Susanville...Johnstonville...Leavitt Lake...Standish and Litchfield areas. Homes...businesses...schools...roadways... bridges and water systems flooded throughout Honey Lake Valley. Extensive transportation...power... phone and rural water system impacts. US Highway 395 and Highway 36 flooded. Similar to November 23 1981 flood. |
16.0 Feet | Major flooding from Susanville to Honey Lake...including Susanville...Johnstonville...Leavitt Lake...Standish and Litchfield areas. Homes...businesses...schools...roadways and bridges flooded throughout Honey Lake Valley. Transportation impacts may be serious as US Highway 395 and Highway 36 are flooded. Extensive power...phone and rural water system impacts. Similar to November 23 1981 flood. |
15.5 Feet | Major flood damage from Susanville to Honey Lake...including Susanville...Johnstonville...Leavitt Lake...Standish and Litchfield areas. Flooding of homes...businesses and schools in flood plain throughout Honey Lake Valley...including Susanville. Extensive damage to transportation systems as roads...bridges and culverts are flooded or washed out. US Highway 395 is flooded. Major transportation...power...phone and rural water system impacts. Similar to January 31 1963 flood. |
15.0 Feet | Major flooding in Susanville...Johnstonville...Leavitt Lake...Standish and Litchfield areas. Major flooding in Susanville from Lassen Street downstream along Riverside Drive and from Main Street...Highway 36...on north to railroad tracks on south. Serious flood impacts to homes...businesses...schools...roads and bridges throughout Honey Lake Valley. US Highway 395 flooded. Serious transportation...power...phone and rural water system impacts. Similar to January 31 1963 and January 13 1980 floods. |
14.5 Feet | Major flooding in Susanville, Johnstonville, Leavitt Lake, Standish, and Litchfield areas in Honey Lake Valley. Susanville flooded from Lassen Street downstream along Riverside Drive and from Main Street (Highway 36) on north to railroad tracks on south. Serious flood impacts to homes, businesses, schools, roads, and bridges throughout Honey Lake Valley. US Highway 395 flooded. Serious transportation impacts, moderate impacts to power, phone, and rural water systems. Similar to 12/23/1955 flood. |
14.0 Feet | Major flooding in Susanville...Johnstonville...Leavitt Lake...Standish...Litchfield. Susanville floods from Lassen Street downstream along Riverside Drive and from Main St...Highway 36...on north to railroad tracks on south. Top of K-rail flood wall on Carroll Street. Homes...businesses...schools...roads and bridges in the Honey Lake Valley flooded. Serious transportation impacts. Impacts to power...phone and rural water systems begin. Similar to December 31 2005 and February 24 1958 floods. |
13.5 Feet | Moderate flooding in Susanville...Johnstonville...Leavitt Lake...Standish and Litchfield.Susanville floods from Lassen Street downstream along Riverside Drive and from Cornell/River Street on north to Hood Street/Sunkist Drive on south. River up to bottom of Lassen Street bridge. Several homes along river have minor to moderate flooding. Many roads and bridges in Honey Lake Valley flood...moderate transportation impacts. Like December 2 2012...March 30 1974 and January 21 1969 floods. |
13.0 Feet | Moderate flooding in Susanville from Lassen Street downstream along Riverside Drive. Some homes along river have moderate flood affects...especially on Carroll Street. Significant lowland flooding below Susanville in Johnstonville...Leavitt Lake...Standish and Litchfield areas. Rural roads and bridges in these areas flood. Similar to flood of March 13 1983. |
12.5 Feet | Minor to moderate flooding in Susanville from Lassen Street downstream along Riverside Drive. Several homes along river affected...especially on Carroll Street. Moderate lowland flooding below Susanville in Johnstonville...Leavitt Lake...Standish and Litchfield areas. Rural roads and bridges begin to flood in these areas. |
12.0 Feet | Flood Stage. Several homes on Carroll Street in Susanville begin to flood. Local flooding in Susanville from Lassen Street downstream along Riverside Drive...especially below Piute Creek which enters river near Alexander Drive. Moderate lowland flooding below Susanville in Johnstonville...Leavitt Lake...Standish... and Litchfield areas. Some rural roads affected by flooding. |
11.5 Feet | Localized minor to moderate lowland flooding below Susanville in the Johnstonville...Leavitt Lake... Standish and Litchfield rural areas. |
11.0 Feet | Local minor lowland flooding below Susanville in Johnstonville...Leavitt Lake...Standish and Litchfield rural areas. |
10.5 Feet | Those along river should begin careful monitoring of river and keep informed of forecast updates. Localized minor lowland flooding below Susanville in Johntonville...Leavitt Lake...Standish and Litchfield rural areas. |
Official 7 Day National Weather Service Forecast (CAZ071) |
Today: Partly cloudy. Highs 41 to 51. Light winds. Tonight: Partly cloudy in the evening then becoming mostly cloudy. Lows 21 to 31. Light winds becoming south around 10 mph after midnight. Wednesday: Showers likely in the morning, then snow showers and chance of showers in the afternoon. Snow level rising to 5500 feet. Snow accumulation up to 2 inches. Highs 46 to 56. South winds around 10 mph increasing to southwest 20 to 30 mph with gusts up to 45 mph in the afternoon. Wednesday Night: Showers likely. Snow level 5500 to 6000 feet. Lows 24 to 34. Southwest winds 10 to 15 mph. Gusts up to 35 mph in the evening. Thursday: Showers likely. Snow level 5500 feet. Highs 41 to 51. South winds 10 to 15 mph. Thursday Night: Showers likely. Lows 20 to 30. Friday: Snow showers likely. Highs 33 to 43. Friday Night: Mostly cloudy with a slight chance of snow showers in the evening, then partly cloudy after midnight. Lows 11 to 21. Saturday and Saturday Night: Partly cloudy. Highs 32 to 42. Lows 12 to 22. Sunday and Sunday Night: Showers likely. Highs 37 to 47. Lows 14 to 24. Monday: Mostly cloudy with a chance of snow showers. Highs 32 to 42. |
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. |