How high is the Great Miami River at Miamisburg OH right now?

The Great Miami River at Miamisburg OH is currently flowing at 11,700 cubic feet per second with a gage height of 9.31 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Great Miami River at Miamisburg OH normal for this time of year?

Current flow is classified as very high for October 27. Today's discharge is at the 122th percentile compared to the long-term historical record at this gauge.

Is the Great Miami River at Miamisburg OH at flood stage?

No — the gage height is 6.69 feet below the NWS flood-stage threshold of 16.0 feet.

What is the historical median flow for the Great Miami River at Miamisburg OH on October 27?

The long-term median discharge for this date is 635 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 424 to 3,180 cfs.

Where is the Great Miami River at Miamisburg OH stream gauge located?

The Great Miami River at Miamisburg OH stream gauge is operated by the USGS in Montgomery County, OH on the Great Miami River. USGS site number 03271500 (coordinates 39.6445, -84.2897).

Great Miami River at Miamisburg OH

USGS Site No: 03271500 • Great Miami River • Montgomery County, OH

Great Miami River at Miamisburg OH on the Great Miami River is currently at 11,700 cfs (Very High — 122th percentile for this date) . Gage height: 9.31 ft.

Reading from 4 months ago

↑ Upstream on Great Miami River

Great Miami River at Dayton OH

Downstream on Great Miami River ↓

Great Miami River at Franklin OH

11,700

CFS Discharge

9.31

Gage Height (ft)

Very High

Flow Condition

Normal

Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for October 27 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.

Percentile	Label	CFS Threshold
10th	Very Low threshold	424
25th	Low threshold	477
50th (Median)	Normal (median)	635
75th	High threshold	940
95th	Very High threshold	3,180

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	21,200	—
May 27, 2026	13,300	—
May 26, 2026	9,180	—
May 25, 2026	16,400	—
May 24, 2026	26,000	—
May 23, 2026	25,600	—
May 22, 2026	11,200	—
May 21, 2026	15,200	—
May 20, 2026	12,000	—
May 19, 2026	2,630	—
May 18, 2026	1,510	—
May 17, 2026	2,110	—
May 16, 2026	1,490	—
May 15, 2026	1,560	—
Apr 21, 2026	1,240	—
Apr 20, 2026	1,310	—
Apr 19, 2026	1,450	—
Apr 18, 2026	1,580	—
Apr 17, 2026	1,750	—
Apr 16, 2026	1,520	—
Apr 15, 2026	1,450	—
Apr 14, 2026	1,530	—
Apr 13, 2026	1,620	—
Apr 12, 2026	1,680	—
Apr 11, 2026	1,820	—
Apr 10, 2026	2,080	—
Apr 9, 2026	2,440	—
Apr 8, 2026	2,820	—
Apr 7, 2026	3,350	—
Apr 6, 2026	4,050	—

Station Information

USGS Site No: 03271500
State: OH
County: Montgomery County
Coordinates: 39.6445, -84.2897
Drainage Area: 2,711 mi²
Datum (ft): 677.8
HUC Code: 05080002

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 12.0 ft
Flood Stage: 16.0 ft
Moderate Flood: 23.0 ft
Major Flood: 27.0 ft

Currently 6.69 ft below flood stage.

Recent Extremes

Max discharge: 26,000 cfs

May 24, 2026
Min discharge: 445 cfs

Sep 16, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Little Miami River Near Spring Valley OH
14.4 mi · 0 cfs

Unknown
Stillwater River at Englewood OH
15.6 mi · 4,220 cfs

Very High
Caesar Creek Near Wellman OH
16.4 mi · 0 cfs

Unknown
Great Miami River at Taylorsville OH
17.3 mi · 4,010 cfs

Very High
Little Miami River Near Oldtown OH
20.4 mi · 584 cfs

Very High