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Big Blue River near Manhattan water level

River gauge, Big Blue River, Kansas, United States

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Right now

Very high for mid-October

Water level

11.15ft Down 0.13 ft over the last 24 hours

Flow
11,300 cfs
Water temperature
65 °F
0 13 25 38 Highest onrecord 36.04 ft Minor floodstage 19.00 ft

History

History
-01020ftOct 16Oct 17Oct 18Oct 19Oct 20Minor flood stage-01020ftOct 16Oct 18Oct 20Minor flood stage
-01020ftSep 21Sep 28Oct 5Oct 13Oct 20Minor flood stage-01020ftSep 21Oct 5Oct 20Minor flood stage
-01020ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026Minor flood stage-01020ftOct 2025Apr 2026Oct 2026Minor flood stage
-051015ftJanMarMayJulSepNov2026-051015ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %) Minor flood stage

What this means

The gauge at Big Blue River near Manhattan shows 11.15 ft, well above normal for mid-October.

The median for mid-October is 1.65 ft, based on 32 years of readings, so the river stage is 9.51 ft above typical. It is 7.85 ft below the flood stage of 19.00 ft. On the same day last year the reading was 1.19 ft, a difference of +9.96 ft.

The level is falling, down 0.13 ft over the past 24 hours. Over the past 30 days it has moved between 2.07 ft and 11.69 ft.

That stands out in fall, when many rivers are usually near their lowest. The water temperature at the gauge is 65 °F.

Compared with 32 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
1.65 ft9.51 ft above the median for this date
Normal for this date
0.43 ft – 6.86 ft8 years in 10 fall in this range (32 years of records)
Same day last year
1.19 ft+9.96 ft
Lowest and highest in 30 days
2.07 ft – 11.69 ft
Lowest and highest in 12 months
−0.15 ft – 11.69 ft
Highest on record
36.04 ftJuly 12, 1951

High water at Big Blue River near Manhattan

The National Weather Service splits flooding into minor, moderate and major flood stage, each tied to what starts to go under water at this particular gauge. Minor flooding usually means low roads, parks and farmland; major flooding reaches homes and businesses.

Keep children and dogs well back from the edge, and stay off flooded footpaths and towpaths.

What happens at each level

37.00 ft
Levee along the Big Blue River is overtopped.
30.00 ft
Structures along and north of Prospect Street and along Messenger Road flood.
27.00 ft
Structures along Harwood Road flood.
19.00 ft
Minor low land flooding begins along the river.
11.15 ft
Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

RankLevelDate
136.04 ftJuly 12, 1951
232.71 ftJuly 23, 1993
322.41 ftJune 1, 2019
419.76 ftJuly 19, 2019
519.28 ftAugust 7, 1992
618.07 ftJune 13, 1995
717.85 ftJune 30, 2015
817.73 ftMay 24, 2007
917.56 ftMarch 22, 2001
1016.87 ftJune 19, 2008

Weather at the gauge

No rain in the last 3 days.

20 Tue 69° 48° – Wind 11 mph
21 Wed 75° 55° 0.04 in Wind 8 mph
22 Thu 77° 58° – Wind 13 mph
23 Fri 78° 61° – Wind 18 mph
24 Sat 80° 64° – Wind 18 mph
25 Sun 75° 63° – Wind 11 mph
26 Mon 66° 42° 0.74 in, 23% Wind 17 mph

Forecast: Open-Meteo

Sunrise 07:42 AM Sunset 06:42 PM Daylight 11 hr Waxing gibbous 71%

Map

Other gauges on the Big Blue River

Gauge Level Compared with normal 24 hours Distance
Big Blue River near CreteRiver gauge, Big Blue River 9.63 ft Very high −0.19 ft 96 mi
Big Blue River at BarnestonRiver gauge, Big Blue River 4.80 ft High −0.20 ft 56 mi
Big Blue River at MarysvilleRiver gauge, Big Blue River 14.92 ft Very high −0.28 ft 42 mi
Big Blue River at Blue RapidsRiver gauge, Big Blue River 17.80 ft High −0.29 ft 31 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Tuttle C Lake near ManhattanLake, Tuttle C Lake 1,083.86 ft Very high −1.18 ft 2.0 mi
Wildcat Creek at Seth Childs Road, ManhattanRiver gauge, Wildcat Creek 2.73 ft Normal −0.01 ft 4.2 mi
Kansas River at ManhattanRiver gauge, Kansas River 7.30 ft Normal −0.25 ft 4.4 mi
Wildcat Creek at Scenic Drive, ManhattanRiver gauge, Wildcat Creek 3.01 ft Below flood stage −0.01 ft 5.1 mi
Wildcat Creek at KeatsRiver gauge, Wildcat Creek 8.19 ft High −0.02 ft 8 mi
Kings Creek near ManhattanRiver gauge, Kings Creek 2.8 cfs Very high −0.2 cfs 9 mi
Kansas River at WamegoRiver gauge, Kansas River 9.10 ft Very high −0.16 ft 14 mi
Kansas River at Fort RileyRiver gauge, Kansas River 5.52 ft Normal −0.38 ft 16 mi

Questions and answers

Is the Big Blue River near Manhattan higher than last year?

Yes, it is 9.96 ft higher than on the same day last year, when the reading was 1.19 ft.

What is flood stage for the Big Blue River near Manhattan?

The official flood stage is 19.00 ft. The level is currently 7.85 ft below it.

What is a normal level for the Big Blue River near Manhattan in mid-October?

The median for mid-October is 1.65 ft. In 8 years out of 10 the reading falls between 0.43 ft and 6.86 ft, based on 32 years of records.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Big Blue River near Manhattan today?

On Oct 20, 2026, 01:00 PM CDT, the water level was 11.15 ft. Down 0.13 ft over the last 24 hours.

Is Big Blue River near Manhattan rising or falling?

Down 0.13 ft over the last 24 hours. Down 0.10 ft over the last 7 days.

Is the level of Big Blue River near Manhattan normal?

Very high for mid-October. Compared with 32 years of daily readings for this time of year.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:06887000 (Agency page)
Coordinates
39.23722, -96.57139 (WGS84)
Vertical datum
NAVD88
Update interval
every 15 minutes
Licence
Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Water level 11.15 ft 2026-10-20 18:00 Provisional
Flow 11,300 cfs 2026-10-20 18:00 Provisional
Water temperature 65 °F 2026-10-20 18:00 Provisional

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How to cite

U.S. Geological Survey: Big Blue River near Manhattan (usgs:06887000). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/kansas/big-blue-river-near-manhattan

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.