County Hazards

States › New York › Chenango County › Flood

Flood in Chenango County, New York

135 floods and flash floods events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Flood, Flash Flood, Coastal Flood, Lakeshore Flood.

135 events · 1 deaths recorded · peak month June · county share of state 2.0%

2025-06-22: Flood2025-06-22: Flood2025-06-22: Flood2025-06-22: Flood2025-06-22: Flood2025-06-22: Flood2025-06-22: Flood2025-06-05: Flood2025-06-05: Flood2024-07-10: Flood2023-12-18: Flood2021-08-22: Flood2021-07-20: Flood2021-07-17: Flood2021-07-17: Flood2020-12-25: Flood2019-11-01: Flood2019-11-01: Flood2019-10-31: Flood2019-10-31: Flood2019-10-31: Flood2019-06-19: Flood2019-06-19: Flood2019-06-19: Flood2019-06-19: Flood2018-09-18: Flood2018-08-14: Flood2017-07-17: Flood2016-08-01: Flood2016-08-01: Flood2016-08-01: Flood2016-08-01: Flood2014-08-21: Flood2013-07-07: Flood2013-07-01: Flood2013-07-01: Flood2013-07-01: Flood2013-07-01: Flood2013-07-01: Flood2013-07-01: Flood2013-06-28: Flood2013-06-28: Flood2013-06-27: Flood2013-06-27: Flood2013-06-27: Flood2013-06-24: Flood2011-09-07: Flood2011-09-07: Flood2011-09-07: Flood2011-09-07: Flood2011-09-07: Flood2011-09-07: Flood2011-09-07: Flood2011-09-07: Flood2011-09-07: Flood2011-09-07: Flood2011-09-07: Flood2011-06-23: Flood2011-06-22: Flood2011-04-28: Flood2010-01-25: Flood2010-01-25: Flood2009-08-10: Flood2009-08-10: Flood2009-08-10: Flood2008-03-08: Flood2007-04-19: Flood2007-03-27: Flood2007-03-15: Flood2007-03-15: Flood2007-03-14: Flood2006-11-17: Flood2006-11-16: Flood2006-11-16: Flood2006-11-16: Flood2006-11-16: Flood2006-11-16: Flood2006-11-16: Flood2006-11-16: Flood2006-01-19: Flood2006-01-18: Flood2005-04-02: Flood
Flood event locations in and around Chenango County. Dots: Flood event locations in the kept record. Boundaries: US Census Bureau.

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.

Chenango County, New York, has 135 flood events in the NCEI record since 1950, with at least one in 26 different years.

June is the busiest month, with 30 of the recorded events. The last 20 years account for 71 events against 64 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 2% of the 6,836 flood events recorded in New York; its 15.1 per 100 square miles compares with 14.5 statewide.

NCEI attributes 1 death in the county to floods and flash floods.

Compared with New York

MeasureChenango CountyNew YorkUS
Flood events since 19501356,836183,559
Per 100 square miles15.114.55.2
Per 10,000 residents29.03.45.5
Deaths recorded11172,961
Busiest monthJuneJulyJune

By year

195019882026
Flood events recorded in Chenango County per year, 1950 to 2026 (2026 is partial).

Seasonality

Jan
10Feb
1Mar
11Apr
10May
9Jun
30Jul
20Aug
10Sep
15Oct
3Nov
11Dec
5
Flood events in Chenango County by month of occurrence, all years.

Recorded events

All 135 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
22 Jun 2025Flash Flood—$15K———County
22 Jun 2025Flash Flood—$250K———County
22 Jun 2025Flash Flood—$250K———County
22 Jun 2025Flash Flood—$300K———County
22 Jun 2025Flood—$200K———County
22 Jun 2025Flash Flood—$5K———County
22 Jun 2025Flash Flood—$20K———County
5 Jun 2025Flash Flood—$2K———County
5 Jun 2025Flash Flood—$2K———County
10 Jul 2024Flash Flood—$2K———County
18 Dec 2023Flood—$2K———County
22 Aug 2021Flash Flood—$15K———County
20 Jul 2021Flash Flood—$5K———County
17 Jul 2021Flash Flood—$15K———County
17 Jul 2021Flash Flood—$2K———County
25 Dec 2020Flood—$20K———County
1 Nov 2019Flash Flood—$750K———County
1 Nov 2019Flood—$50K———County
31 Oct 2019Flash Flood—$5K———County
31 Oct 2019Flash Flood—$20K———County
31 Oct 2019Flash Flood—$5K———County
19 Jun 2019Flash Flood—$10K———County
19 Jun 2019Flash Flood—$2K———County
19 Jun 2019Flash Flood—$10K———County
19 Jun 2019Flash Flood—$10K———County
18 Sep 2018Flash Flood—$10K———County
14 Aug 2018Flash Flood—$75K———County
17 Jul 2017Flash Flood—$5K———County
1 Aug 2016Flash Flood—$50K———County
1 Aug 2016Flash Flood—$50K———County
1 Aug 2016Flash Flood—$25K———County
1 Aug 2016Flash Flood—$100K———County
21 Aug 2014Flash Flood—$30K———County
7 Jul 2013Flash Flood—$25K———County
1 Jul 2013Flash Flood—$5K———County
1 Jul 2013Flash Flood—$10K———County
1 Jul 2013Flash Flood—$5K———County
1 Jul 2013Flash Flood—$25K———County
1 Jul 2013Flood—$500K———County
1 Jul 2013Flash Flood—$5K———County
28 Jun 2013Flood—$750K———County
28 Jun 2013Flash Flood—$20K———County
27 Jun 2013Flash Flood—$50K———County
27 Jun 2013Flash Flood—$20K———County
27 Jun 2013Flash Flood—$100K———County
24 Jun 2013Flash Flood—$15K———County
7 Sep 2011Flood—$500K———County
7 Sep 2011Flood—$250K———County
7 Sep 2011Flood—$100K———County
7 Sep 2011Flash Flood—$5K———County
7 Sep 2011Flash Flood—$300K———County
7 Sep 2011Flash Flood—$550K———County
7 Sep 2011Flash Flood—$83K———County
7 Sep 2011Flash Flood—$50K———County
7 Sep 2011Flash Flood—$23K———County
7 Sep 2011Flood—$150K———County
7 Sep 2011Flash Flood—$100K———County
23 Jun 2011Flash Flood—$100K———County
22 Jun 2011Flash Flood—————County
28 Apr 2011Flash Flood—$500K———County
25 Jan 2010Flash Flood—$50K———County
25 Jan 2010Flash Flood—$50K———County
10 Aug 2009Flash Flood—$5K———County
10 Aug 2009Flash Flood—$2K———County
10 Aug 2009Flash Flood—$1K———County
8 Mar 2008Flash Flood—————County
19 Apr 2007Flood—————County
27 Mar 2007Flood—$5K———County
15 Mar 2007Flood—$10K———County
15 Mar 2007Flood—————County
14 Mar 2007Flood—$10K———County
17 Nov 2006Flood—————County
16 Nov 2006Flash Flood—$10K———County
16 Nov 2006Flood—————County
16 Nov 2006Flash Flood—$10K———County
16 Nov 2006Flash Flood—$25K———County
16 Nov 2006Flood—$8K———County
16 Nov 2006Flash Flood—$20K———County
16 Nov 2006Flash Flood—$15K———County
28 Jul 2006Flash Flood—$2K———County
22 Jul 2006Flash Flood—$2K———County
22 Jul 2006Flash Flood—$2K———County
22 Jul 2006Flash Flood—$2K———County
22 Jul 2006Flash Flood—$2K———County
22 Jul 2006Flash Flood—$2K———County
28 Jun 2006Flood—$2.0M$1.0M——County
27 Jun 2006Flood—$2.0M———County
27 Jun 2006Flood—$5.0M———County
27 Jun 2006Flood—$50M———County
27 Jun 2006Flash Flood—$50M—1—County
19 Jan 2006Flood—$10K———County
18 Jan 2006Flood—$10K———County
3 Apr 2005Flood—$50K———Forecast zone
2 Apr 2005Flood—$1.0M———Forecast zone
2 Apr 2005Flash Flood—$1.0M———County
1 Apr 2005Flood—$1.0M———Forecast zone
1 Apr 2005Flood—$500K———Forecast zone
31 Mar 2005Flood—$5K———Forecast zone
31 Mar 2005Flood—$5K———Forecast zone
28 Mar 2005Flood—$10K———Forecast zone
14 Jan 2005Flood—————Forecast zone
14 Jan 2005Flood—————Forecast zone
18 Sep 2004Flash Flood—$1.0M———County
18 Sep 2004Flood—$1.0M———Forecast zone
28 Jul 2004Flood—$10K———Forecast zone
26 May 2004Flash Flood—$25K———County
6 Mar 2004Flood—$10K———Forecast zone
11 Dec 2003Flood—————Forecast zone
21 Mar 2003Flood—$50K———Forecast zone
5 Jun 2002Flood—$5K———County
5 Jun 2002Flood—$10K———County
27 Mar 2002Flood—————Forecast zone
23 Jun 2001Flash Flood—————County
16 Jun 2001Flash Flood—————County
9 Apr 2001Flood—————Forecast zone
8 Apr 2001Flood—————Forecast zone
14 May 2000Flood—————Forecast zone
13 May 2000Flood—————Forecast zone
13 May 2000Flash Flood—————County
13 May 2000Flash Flood—————County
13 May 2000Flash Flood—————County
13 May 2000Flash Flood—————County
13 May 2000Flash Flood—————County
13 May 2000Flash Flood—————County
4 Apr 2000Flood—————Forecast zone
27 Feb 2000Flood—————Forecast zone
16 Sep 1999Flood—————County
24 Jan 1999Flood—————Forecast zone
8 Jul 1998Flash Flood—$125K———County
6 Jan 1998Flood—$75K———Forecast zone
2 Dec 1996Flash Flood—$10K———County
2 Dec 1996Flood—————Forecast zone
9 Nov 1996Flood—————Forecast zone
19 Jan 1996Flash Flood—$7.9M———County
19 Jan 1996Flood—————Forecast zone

Questions and answers

How many flood events has Chenango County had?

135 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 Chenango County?

22 Jun 2025 (Flash Flood). Records reach NCEI about 120 days after the month ends.

What was the most damaging flood event recorded in Chenango County?

The flood of 27 Jun 2006, with property damage estimated by NCEI at $50M.

How does Chenango County compare with New York for flood?

15.1 events per 100 square miles against 14.5 statewide; the county holds 135 of the state's 6,836 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.