River Conditions
Illustrated map of Grand Lake St Marys

River stage

Franklin, Great Miami River

River level
1.17 ft
Status
Below flood stage
7-day change
-0.29 ft
Recent high
7.71 ft
Recent low
0.70 ft

Last reported 2026-10-13 | NWS FKNO1

30-day change
-0.28 ft
Average
2.26 ft
Readings
122
Data span
122 days
Record crest
17.60 ft

In brief

The Great Miami River at Franklin, OH read 1.17 ft on Oct 13, 2026, 9.83 ft below action stage. That is 0.28 ft lower than 30 days earlier.

Source: National Weather Service gauge FKNO1

River level timeline

-036912SEP 13SEP 18SEP 23SEP 28OCT 03OCT 08OCT 13ACTION 11.00 ftHIGH 6.57LOW 1.181.18 ftLAST READING

Stage threshold profile

Action stage 11.00 ftMinor flooding 14.00 ftModerate flooding 17.00 ftMajor flooding 22.00 ft CURRENT 1.17 ft

Highest crests on record

RankCrestDate
1 17.60 ft 1959-01-22
2 16.70 ft 1937-01-22
3 16.60 ft 1963-03-06
4 16.50 ft 2005-01-07
5 15.59 ft 2013-12-22
6 14.86 ft 2020-03-20
7 14.61 ft 2025-04-06
8 14.50 ft 2018-04-05

Flood crests recorded at this gauge by the National Weather Service.

What happens at each level

  1. 14.00 ft

    Flooding occurs along Oxford Road at the railway underpass.

  2. 15.00 ft

    In addition to flooding along low areas of Oxford Road near the railway bridge, water approaches riverside apartments along Dayton-Oxford Road and flooding of basement apartments may occur. Areas of Franklin protected by Miami Conservancy District Levees do not flood until stages at and above 22 feet.

  3. 16.00 ft

    In addition to flooding onto low areas of Oxford Road near the railway bridge, water floods basements of riverside apartments along Dayton-Oxford Road. Water extends nearly to Dayton-Oxford Road itself in Chautauqua in Warren County on the west bank and onto North Dixie Highway on the east bank. Areas of Franklin protected by Miami Conservancy District Levees do not flood until stages at and above 22 feet.

  4. 17.00 ft

    Portions of Dayton-Oxford Road flood, and homes along this road in Chautauqua have flood waters nearing them. Franklin-Trenton Road and North Dixie Highway also flood. Areas of Franklin protected by Miami Conservancy District Levees do not flood until stages at and above 22 feet.

  5. 18.00 ft

    This is roughly equal to the FEMA 1 percent flood. Flood waters extend into yards of numerous homes in the Chautauqua area, with water into homes closest to the river. Large portions of Dayton-Oxford Road to Franklin-Trenton Road are flooded. Areas of Franklin protected by Miami Conservancy District Levees do not flood until stages at and above 22 feet. However, locations of Franklin outside of flood protection near the river do incur flooding. North Dixie Highway is flooded.

  6. 19.00 ft

    Flood waters affect numerous homes in the Chautauqua area. Large portions of Dayton-Oxford Road to Franklin-Trenton Road are flooded. Areas of Franklin protected by Miami Conservancy District Levees do not flood until stages at and above 22 feet. However, parts of Franklin outside of the flood protection but near the river do incur flooding. North Dixie Highway is also flooded.

  7. 20.00 ft

    Flood waters affect numerous homes in the Chautauqua area. Dayton-Oxford Road to Franklin-Trenton Road is flooded, and flood waters start to affect Central Avenue on the west side of the river. Areas of Franklin protected by Miami Conservancy District Levees do not flood until stages at and above 22 feet. However, parts of Franklin outside of the flood protection but near the river do incur flooding. North Main Street north of Central Avenue and further up on to North Dixie Highway are flooded.

  8. 22.00 ft

    Miami Conservancy flood protective levees would be overtopped resulting in flooding of protected areas of Franklin. Much of Franklin west of the river is impacted, although many areas between Main Street and the river along the east bank are also flooded. North Main Street north of Central Avenue floods. Many homes and businesses in the Chautauqua area and parts of southern Carlisle are impacted. Dayton-Oxford Road to Franklin-Trenton Road as well as parts of Central Avenue are flooded.

Written by the local National Weather Service forecast office for this exact gauge.

Frequently asked questions

Is the Great Miami River flooding at Franklin?

No. The Great Miami River at Franklin is at 1.17 ft, 9.83 ft below action stage.

What is the flood stage at Franklin?

The National Weather Service sets action stage 11 ft, minor flooding 14 ft, moderate flooding 17 ft and major flooding 22 ft.

What is the highest the Great Miami River has been at Franklin?

The highest crest on record is 17.6 ft, on 1959-01-22.

Is the Great Miami River high or low right now at Franklin?

At 1.17 ft it is higher than 21% of readings over the last 122 days.

Stage and flood information from the NOAA National Weather Service (gauge FKNO1); daily history from the U.S. Geological Survey (site 03271620). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.