How high is the Big Blue River at Marysville, KS right now?

The Big Blue River at Marysville, KS is currently flowing at 392 cubic feet per second with a gage height of 14.05 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Big Blue River at Marysville, KS normal for this time of year?

Current flow is classified as low for June 11. Today's discharge is at the 22th percentile compared to the long-term historical record at this gauge.

Is the Big Blue River at Marysville, KS at flood stage?

No — the gage height is 20.95 feet below the NWS flood-stage threshold of 35.0 feet.

What is the historical median flow for the Big Blue River at Marysville, KS on June 11?

The long-term median discharge for this date is 890 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 227 to 8,820 cfs.

Where is the Big Blue River at Marysville, KS stream gauge located?

The Big Blue River at Marysville, KS stream gauge is operated by the USGS in Marshall County, KS on the Big Blue River. USGS site number 06882510 (coordinates 39.8419, -96.6622).

Big Blue River at Marysville, KS

USGS Site No: 06882510 • Big Blue River • Marshall County, KS

Big Blue River at Marysville, KS on the Big Blue River is currently at 392 cfs (Low — 22th percentile for this date) . Gage height: 14.05 ft.

Reading from 1 week ago

Downstream on Big Blue River ↓

Big Blue River near Manhattan, KS

392

CFS Discharge

14.05

Gage Height (ft)

Low

Flow Condition

Normal

Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for June 11 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.

Percentile	Label	CFS Threshold	Today's Flow
10th	Very Low threshold	227
25th	Low threshold	439	Today: 392 cfs
50th (Median)	Normal (median)	890
75th	High threshold	2,040
95th	Very High threshold	8,820

30-Day Hydrograph

Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.

10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date	Discharge (CFS)	Gage Ht (ft)
May 28, 2026	383	14.02
May 27, 2026	460	14.23
May 26, 2026	589	14.55
May 25, 2026	803	15.02
May 24, 2026	1,210	15.75
May 23, 2026	1,910	16.69
May 22, 2026	2,880	17.84
May 21, 2026	4,490	19.56
May 20, 2026	7,630	22.54
May 19, 2026	12,200	26.38
May 18, 2026	5,850	20.89
May 17, 2026	1,280	14.53
May 16, 2026	48	12.68
May 15, 2026	56	12.71
Apr 20, 2026	231	13.20
Apr 19, 2026	282	13.37
Apr 18, 2026	373	13.65
Apr 17, 2026	562	14.16
Apr 16, 2026	867	14.84
Apr 15, 2026	391	13.68
Apr 14, 2026	347	13.57
Apr 13, 2026	353	13.59
Apr 12, 2026	688	14.44
Apr 11, 2026	766	14.42
Apr 10, 2026	272	13.33
Apr 9, 2026	187	13.04
Apr 8, 2026	171	—
Apr 7, 2026	173	12.99
Apr 6, 2026	169	12.97
Apr 5, 2026	168	12.97

Station Information

USGS Site No: 06882510
State: KS
County: Marshall County
Coordinates: 39.8419, -96.6622
Drainage Area: 4,777 mi²
Datum (ft): 1,111.9
HUC Code: 10270205

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 30.0 ft
Flood Stage: 35.0 ft
Moderate Flood: 38.2 ft
Major Flood: 43.0 ft

Currently 20.95 ft below flood stage.

Recent Extremes

Max discharge: 12,200 cfs

May 19, 2026
Min discharge: 48 cfs

May 16, 2026
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

L Blue River near Barnes, KS
11.0 mi · 443 cfs

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Big Blue River at Barneston, Nebr.
14.6 mi · 504 cfs

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Black Vermillion River near Frankfort, KS
16.1 mi · 95 cfs

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Mill C at Washington, KS
20.0 mi · 740 cfs

High
Little Blue River at Hollenberg, KS
20.5 mi · 179 cfs

Low