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Flood in Putnam County, Ohio
19 floods and flash floods events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Flood, Flash Flood, Coastal Flood, Lakeshore Flood.
NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.
Putnam County, Ohio, has 19 flood events in the NCEI record since 1950, with at least one in 9 different years.
June is the busiest month, with 4 of the recorded events. The last 20 years account for 7 events against 12 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 0.3% of the 6,794 flood events recorded in Ohio; its 3.9 per 100 square miles compares with 16.6 statewide.
NCEI attributes 1 death in the county to floods and flash floods.
Compared with Ohio
| Measure | Putnam County | Ohio | US |
|---|---|---|---|
| Flood events since 1950 | 19 | 6,794 | 183,559 |
| Per 100 square miles | 3.9 | 16.6 | 5.2 |
| Per 10,000 residents | 5.5 | 5.8 | 5.5 |
| Deaths recorded | 1 | 74 | 2,961 |
| Busiest month | June | June | June |
By year
Seasonality
1Feb
1Mar
2Apr
3May
3Jun
4Jul
2Aug
3Sep
0Oct
0Nov
0Dec
0
Recorded events
All 19 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 2 Apr 2025 | Flood | — | $1K | — | — | — | County |
| 26 Apr 2019 | Flood | — | — | — | — | — | County |
| 16 Jun 2015 | Flash Flood | — | — | — | — | — | County |
| 15 Jun 2015 | Flood | — | — | — | — | — | County |
| 27 May 2010 | Flash Flood | — | — | — | — | — | County |
| 10 Mar 2009 | Flood | — | — | — | 1 | — | County |
| 22 Aug 2007 | Flash Flood | — | $500K | — | — | — | County |
| 20 Apr 2000 | Flood | — | — | — | — | — | County |
| 5 Aug 1998 | Flash Flood | — | $250K | $100K | — | — | County |
| 8 Jan 1998 | Flood | — | — | — | — | — | Forecast zone |
| 16 Aug 1997 | Flash Flood | — | $5K | — | — | — | County |
| 9 Jul 1997 | Flood | — | — | — | — | — | Forecast zone |
| 8 Jul 1997 | Flash Flood | — | $10K | — | — | — | County |
| 1 Jun 1997 | Flash Flood | — | $5K | — | — | — | County |
| 1 Jun 1997 | Flood | — | — | — | — | — | Forecast zone |
| 26 May 1997 | Flood | — | — | — | — | — | Forecast zone |
| 25 May 1997 | Flash Flood | — | $10K | — | — | — | County |
| 1 Mar 1997 | Flood | — | — | — | — | — | Forecast zone |
| 27 Feb 1997 | Flood | — | — | — | — | — | Forecast zone |
Questions and answers
How many flood events has Putnam County had?
19 events in the NCEI Storm Events record between 1950 and 2026. Reporting of floods and flash floods became far more complete after 1996, so early decades undercount.
When was the last recorded flood event in Putnam County?
2 Apr 2025 (Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Putnam County?
The flash flood of 22 Aug 2007, with property damage estimated by NCEI at $500K.
How does Putnam County compare with Ohio for flood?
3.9 events per 100 square miles against 16.6 statewide; the county holds 19 of the state's 6,794 recorded events.
Provenance
NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Flood hub and the county page.