Nivelmap
EN

Great Miami River at Troy OH water level

River gauge, Great Miami River, Ohio, United States

Directions

Right now

Below flood stage

Water level

2.79ft Up 0.11 ft over the last 24 hours

Flow
363 cfs
Water temperature
57 °F
5 10 Highest onrecord 13.14 ft Minor floodstage 12.00 ft

History

History
2.652.702.752.80ftOct 16Oct 17Oct 19Oct 21Oct 232.652.702.752.80ftOct 16Oct 19Oct 23
Water level Forecast Minor flood stage

The forecast expects the river to fall to 2.70 ft by Sunday, October 18 at 08:00 PM. Issued Sunday, October 18 at 09:24 AM by NOAA National Weather Service.

What this means

Water levels are unremarkable at Great Miami River at Troy OH, where the gauge shows 2.79 ft.

It is 9.21 ft below the flood stage of 12.00 ft.

It is on the way up, by 0.11 ft over the past 24 hours. The forecast expects the river to fall to 2.70 ft by Sunday, October 18 at 08:00 PM. There is still 9.21 ft of room before flood stage. The 30-day range is 2.62 ft – 2.79 ft.

The sensor also reports a water temperature of 57 °F.

Judged against the official flood stage for this gauge. How to read levels

Key numbers

Highest on record
13.14 ftApril 6, 2025
Forecast peak
2.70 ftSunday, October 18 at 08:00 PM

Paddling and fishing conditions

Most paddlers and anglers will find the river in good shape at this stage.

For reference, flood stage is 12.00 ft.

What happens at each level

19.00 ft
Widespread flooding behind the levee occurs, with hundreds of homes and businesses affected. Flooding also occurs east of the river east of Stonyridge Avenue. Widespread flooding of homes and businesses with water several feet deep occurs.
18.00 ft
The Troy levee is overtopped from near Main Street to along South Market Street within Troy itself. Significant flooding of homes and businesses both south and north of Troy along Route 25A worsens, with many structures flooded, from near Eldean to near the county fairgrounds, and then along 25A south of South Market Street. On the east bank of the river, extensive flooding between route 202 and the river occurs.
17.00 ft
While the levee protected areas of Troy are protected to approximately 17.5 feet, significant flooding of homes and businesses both south and north of Troy along Route 25A occurs from Eldean to near the Fairgrounds, and also along 25A south of South Market Street. On the east bank of the river, extensive flooding between route 202 and the river occurs.
16.00 ft
Numerous homes and businesses are flooded with several feet of water along route 25A near the County Fairgrounds north of Troy, with flooding along East State Route 41 and Route 202. Within the levee protected areas of Troy...property is protected to a stage of roughly 17.5 feet.
15.00 ft
Some homes and businesses are flooded by as much as 1 foot of water along route 25A near the County Fairgrounds north of Troy, with the Fairgounds also flooded. Extensive flooding also occurs elsewhere on Route 25A, Lytle Road, East State Route 41, Tipp Elizabeth Road and Route 202, leaving several homes cut off. Within the levee protected areas of of Troy...structures are protected to a stage of about 17.5 feet.
14.00 ft
Flooding of some homes and businesses occurs north of Troy near the county fairgrounds on 25A or North Elm Street, with extensive flooding ongoing elsewhere along Route 25A and Eldean Road. Some farm houses along Route 202 are cut off. Extensive flooding of Miami Shores Golf Course Within the levee protected areas of Troy, protection exists to a stage of about 17.5 feet.
13.00 ft
Flooding occurs along County Road 25A south of Troy and Tipp-Elizabeth Road near Tipp City. Property along the 600 block of North County Road 25A near the Fairgrounds begins to flood, with East State Route 571 also flooded. Portions of Farver Road and Covered Bridge park north of Troy are flooded, as well as Eldean Road. Within the levee protected areas of of Troy...structures are protected to a stage of approximately 17.5 feet.
12.00 ft
Tipp-Elizabeth Road floods between Tipp City and Ohio 202, with water also covering Route 202 south of Route 41. Water approaches County Road 25A outside of Troy and near Tipp City. East State Route 571 is also flooded. The Levee protected area of Troy is protected to a stage of approximately 17.5'.
2.79 ft
Right now

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

Highest crests on record

Chance of at least minor flooding in October to December: 14 %.

RankLevelDate
113.14 ftApril 6, 2025
212.73 ftApril 3, 2024

Weather at the gauge

Rain in the last 3 days: 0.22 in. Rain that falls upstream can take hours or days to show up at a river gauge.

17 Sat 53° 39° – Wind 16 mph
18 Sun 62° 35° – Wind 9 mph
19 Mon 65° 38° – Wind 5 mph
20 Tue 67° 46° – Wind 8 mph
21 Wed 66° 44° – Wind 7 mph
22 Thu 67° 45° – Wind 6 mph
23 Fri 68° 46° – Wind 7 mph

Forecast: Open-Meteo

Sunrise 07:52 AM Sunset 06:53 PM Daylight 11 hr, 1 min First quarter 55%

Map

Other gauges on the Great Miami River

Gauge Level Compared with normal 24 hours Distance
Great Miami River at Sidney OHRiver gauge, Great Miami River 1.37 ft Below flood stage −0.07 ft 18 mi
Great Miami River at Piqua OHRiver gauge, Great Miami River 1.65 ft Below flood stage +0.14 ft 9 mi
Great Miami River at Taylorsville OHRiver gauge, Great Miami River 3.59 ft Below flood stage +0.19 ft 11 mi
Great Miami River at Dayton OHRiver gauge, Great Miami River 24.58 ft Below flood stage −0.04 ft 18 mi
Great Miami River at Miamisburg OHRiver gauge, Great Miami River 4.24 ft Below flood stage −0.03 ft 27 mi
Great Miami River at Franklin OHRiver gauge, Great Miami River 1.15 ft Below flood stage −0.02 ft 33 mi
Great Miami River at Middletown OHRiver gauge, Great Miami River 2.53 ft Below flood stage −0.02 ft 37 mi
Great Miami River at Hamilton OHRiver gauge, Great Miami River 63.15 ft Below flood stage −0.01 ft 49 mi
Great Miami River at Miamitown OHRiver gauge, Great Miami River 1.45 ft High +0.01 ft 63 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Stillwater River at Pleasant Hill OHRiver gauge, Stillwater River 150 cfs Normal −8.0 cfs 9 mi
Stillwater River at Englewood OHRiver gauge, Stillwater River 3.04 ft Below flood stage −0.05 ft 12 mi
Loramie Creek at Lockington OHRiver gauge, Loramie Creek 1.36 ft Below flood stage −0.06 ft 13 mi
Greenville Creek near Bradford OHRiver gauge, Greenville Creek 73.4 cfs High −7.2 cfs 14 mi
Mad River near Dayton OHRiver gauge, Mad River 2.95 ft Below flood stage −0.05 ft 17 mi
Mad River near Springfield OHRiver gauge, Mad River 3.42 ft Below flood stage −0.02 ft 18 mi

Questions and answers

What is flood stage for the Great Miami River at Troy OH?

The official flood stage is 12.00 ft. The level is currently 9.21 ft below it.

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 Great Miami River at Troy OH today?

On Oct 18, 2026, 09:00 PM EDT, the water level was 2.79 ft. Up 0.11 ft over the last 24 hours.

Is Great Miami River at Troy OH rising or falling?

Up 0.11 ft over the last 24 hours.

Is the level of Great Miami River at Troy OH normal?

Below flood stage. Judged against the official flood stage for this gauge.

What is the highest water level ever recorded at Great Miami River at Troy OH?

The highest level on record is 13.14 ft on April 6, 2025.

Is Great Miami River at Troy OH expected to rise?

The forecast expects the river to fall to 2.70 ft by Sunday, October 18 at 08:00 PM.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:03262700 (Agency page)
Coordinates
40.03056, -84.18722 (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 2.79 ft 2026-10-19 01:00 Provisional
Flow 363 cfs 2026-10-19 01:00 Provisional
Water temperature 57 °F 2026-10-19 01:00 Provisional

Download

Embed this gauge

Add a live card for this gauge to your website. It updates on its own and links back here.

How to cite

U.S. Geological Survey: Great Miami River at Troy OH (usgs:03262700). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/ohio/great-miami-river-at-troy-oh

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.