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Susan River at Susanville

Critical Stages
10.5' - Action
12' - Flood
13' - Moderate
14' - Major

Latest Observation

Updated: 7:15 AM PST 12/6/25

Status: No Flooding

Stage: 3.85 ft

Flow: 0.0212 kcfs

Forecast

TimeStage (ft)Flow (kcfs)
9 AM 12/6 3.86 0.0219
10 AM 12/6 3.86 0.0219
11 AM 12/6 3.86 0.0219
12 PM 12/6 3.86 0.0219
1 PM 12/6 3.86 0.0219
2 PM 12/6 3.86 0.0219
3 PM 12/6 3.86 0.0219
4 PM 12/6 3.86 0.0219
5 PM 12/6 3.86 0.0219
6 PM 12/6 3.86 0.0219
7 PM 12/6 3.86 0.0219
8 PM 12/6 3.86 0.0219
9 PM 12/6 3.86 0.0219
10 PM 12/6 3.86 0.0219
11 PM 12/6 3.86 0.0219
12 AM 12/7 3.86 0.0219
1 AM 12/7 3.86 0.0219
2 AM 12/7 3.86 0.0219
3 AM 12/7 3.85 0.0212
4 AM 12/7 3.85 0.0212
5 AM 12/7 3.85 0.0212
6 AM 12/7 3.85 0.0212
7 AM 12/7 3.85 0.0212
8 AM 12/7 3.85 0.0212
9 AM 12/7 3.85 0.0212
10 AM 12/7 3.85 0.0212
11 AM 12/7 3.85 0.0212
12 PM 12/7 3.85 0.0212
1 PM 12/7 3.85 0.0212
2 PM 12/7 3.85 0.0212
3 PM 12/7 3.85 0.0212
4 PM 12/7 3.85 0.0212
5 PM 12/7 3.85 0.0212
6 PM 12/7 3.85 0.0212
7 PM 12/7 3.85 0.0212
8 PM 12/7 3.85 0.0212
9 PM 12/7 3.85 0.0212
10 PM 12/7 3.85 0.0212
11 PM 12/7 3.85 0.0212
12 AM 12/8 3.85 0.0212
1 AM 12/8 3.85 0.0212
2 AM 12/8 3.85 0.0212
3 AM 12/8 3.85 0.0212
4 AM 12/8 3.85 0.0212
5 AM 12/8 3.85 0.0212
6 AM 12/8 3.85 0.0212
7 AM 12/8 3.85 0.0212
8 AM 12/8 3.85 0.0212
9 AM 12/8 3.85 0.0212
10 AM 12/8 3.85 0.0212
11 AM 12/8 3.85 0.0212
12 PM 12/8 3.85 0.0212
1 PM 12/8 3.85 0.0212
2 PM 12/8 3.85 0.0212
3 PM 12/8 3.85 0.0212
4 PM 12/8 3.85 0.0212
5 PM 12/8 3.85 0.0212
6 PM 12/8 3.85 0.0212
7 PM 12/8 3.85 0.0212
8 PM 12/8 3.85 0.0212
9 PM 12/8 3.85 0.0212
10 PM 12/8 3.85 0.0212
11 PM 12/8 3.85 0.0212
12 AM 12/9 3.85 0.0212
1 AM 12/9 3.85 0.0212
2 AM 12/9 3.85 0.0212
3 AM 12/9 3.84 0.0205
4 AM 12/9 3.84 0.0205
5 AM 12/9 3.84 0.0205
6 AM 12/9 3.84 0.0205
7 AM 12/9 3.84 0.0205
8 AM 12/9 3.84 0.0205
9 AM 12/9 3.84 0.0205
10 AM 12/9 3.84 0.0205
11 AM 12/9 3.84 0.0205
12 PM 12/9 3.84 0.0205
1 PM 12/9 3.84 0.0205
2 PM 12/9 3.84 0.0205
3 PM 12/9 3.84 0.0205
4 PM 12/9 3.84 0.0205
5 PM 12/9 3.84 0.0205
6 PM 12/9 3.84 0.0205
7 PM 12/9 3.84 0.0205
8 PM 12/9 3.84 0.0205
9 PM 12/9 3.84 0.0205
10 PM 12/9 3.84 0.0205
11 PM 12/9 3.84 0.0205
12 AM 12/10 3.84 0.0205
1 AM 12/10 3.84 0.0205
2 AM 12/10 3.84 0.0205
3 AM 12/10 3.84 0.0205
4 AM 12/10 3.84 0.0205
5 AM 12/10 3.84 0.0205
6 AM 12/10 3.84 0.0205
7 AM 12/10 3.84 0.0205
8 AM 12/10 3.84 0.0205
9 AM 12/10 3.84 0.0205
10 AM 12/10 3.84 0.0205
11 AM 12/10 3.84 0.0205
12 PM 12/10 3.84 0.0205
1 PM 12/10 3.83 0.0199
2 PM 12/10 3.83 0.0199
3 PM 12/10 3.84 0.0205
4 PM 12/10 3.84 0.0205
5 PM 12/10 3.84 0.0205
6 PM 12/10 3.83 0.0199
7 PM 12/10 3.83 0.0199
8 PM 12/10 3.83 0.0199
9 PM 12/10 3.83 0.0199
10 PM 12/10 3.83 0.0199
11 PM 12/10 3.83 0.0199
12 AM 12/11 3.83 0.0199
1 AM 12/11 3.83 0.0199
2 AM 12/11 3.83 0.0199
3 AM 12/11 3.83 0.0199
4 AM 12/11 3.83 0.0199
5 AM 12/11 3.83 0.0199
TimeStage (ft)Flow (kcfs)
8:00 AM 12/6 3.86 0.0219
7:45 AM 12/6 3.85 0.0212
7:15 AM 12/6 3.85 0.0212
7:00 AM 12/6 3.86 0.0219
6:45 AM 12/6 3.86 0.0219
6:15 AM 12/6 3.86 0.0219
6:00 AM 12/6 3.86 0.0219
5:45 AM 12/6 3.86 0.0219
5:15 AM 12/6 3.86 0.0219
5:00 AM 12/6 3.86 0.0219
4:45 AM 12/6 3.86 0.0219
4:15 AM 12/6 3.86 0.0219
4:00 AM 12/6 3.86 0.0219
3:45 AM 12/6 3.86 0.0219
3:15 AM 12/6 3.86 0.0219
3:00 AM 12/6 3.86 0.0219
2:45 AM 12/6 3.86 0.0219
2:15 AM 12/6 3.86 0.0219
2:00 AM 12/6 3.86 0.0219
1:45 AM 12/6 3.86 0.0219
1:15 AM 12/6 3.86 0.0219
1:00 AM 12/6 3.86 0.0219
12:45 AM 12/6 3.86 0.0219
12:15 AM 12/6 3.86 0.0219
12:00 AM 12/6 3.86 0.0219
11:45 PM 12/5 3.86 0.0219
11:15 PM 12/5 3.86 0.0219
11:00 PM 12/5 3.86 0.0219
10:45 PM 12/5 3.86 0.0219
10:15 PM 12/5 3.86 0.0219
Hydrograph for Susan River at Susanville
18.5' - 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' - 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' - 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' - 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' - 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' - 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' - 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' - 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' - 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' - 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' - 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' - 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' - 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' - 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' - Localized minor to moderate lowland flooding below Susanville in the Johnstonville...Leavitt Lake... Standish and Litchfield rural areas.
11' - Local minor lowland flooding below Susanville in Johnstonville...Leavitt Lake...Standish and Litchfield rural areas.
10.5' - 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.
DateStage (ft)
Jan 24, 1970 18.83
Jan 2, 1997 17.57
Feb 17, 1986 17.52
Dec 22, 1964 17.48
Nov 23, 1981 16.51
Jan 31, 1963 15.48
Jan 13, 1980 15.25
Feb 10, 2017 15.18
Dec 23, 1955 14.81
Feb 24, 1958 14.35
Mar 30, 1974 14.15
Jan 21, 1969 14.13
Dec 31, 2005 13.89
Dec 2, 2012 13.71
Feb 4, 2025 13.67
Mar 13, 1983 13.43
Jan 9, 2017 13.3
Mar 11, 1989 13.18
Mar 26, 1971 12.72
Mar 30, 1903 12.19

Data provided by the National Weather Service.