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Flood in Passaic County, New Jersey
170 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.
Passaic County, New Jersey, has 170 flood events in the NCEI record since 1950, with at least one in 27 different years.
July is the busiest month, with 44 of the recorded events. The last 20 years account for 132 events against 38 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 4.5% of the 3,787 flood events recorded in New Jersey; its 91.4 per 100 square miles compares with 51.5 statewide.
NCEI attributes 5 deaths in the county to floods and flash floods.
Compared with New Jersey
| Measure | Passaic County | New Jersey | US |
|---|---|---|---|
| Flood events since 1950 | 170 | 3,787 | 183,559 |
| Per 100 square miles | 91.4 | 51.5 | 5.2 |
| Per 10,000 residents | 3.3 | 4.1 | 5.5 |
| Deaths recorded | 5 | 61 | 2,961 |
| Busiest month | July | July | June |
By year
Seasonality
3Feb
2Mar
12Apr
7May
7Jun
16Jul
44Aug
42Sep
18Oct
9Nov
2Dec
8
Recorded events
All 170 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 |
|---|---|---|---|---|---|---|---|
| 30 Oct 2025 | Flash Flood | — | — | — | — | — | County |
| 18 Aug 2024 | Flash Flood | — | — | — | — | — | County |
| 18 Aug 2024 | Flash Flood | — | — | — | — | — | County |
| 18 Aug 2024 | Flash Flood | — | — | — | — | — | County |
| 18 Aug 2024 | Flash Flood | — | — | — | — | — | County |
| 18 Aug 2024 | Flash Flood | — | — | — | — | — | County |
| 18 Aug 2024 | Flash Flood | — | — | — | — | — | County |
| 6 Aug 2024 | Flash Flood | — | — | — | — | — | County |
| 6 Aug 2024 | Flash Flood | — | — | — | — | — | County |
| 18 Dec 2023 | Flash Flood | — | — | — | — | — | County |
| 18 Dec 2023 | Flash Flood | — | — | — | — | — | County |
| 18 Dec 2023 | Flash Flood | — | — | — | — | — | County |
| 18 Dec 2023 | Flash Flood | — | — | — | — | — | County |
| 18 Dec 2023 | Flash Flood | — | — | — | — | — | County |
| 25 Jun 2023 | Flash Flood | — | — | — | — | — | County |
| 18 Jul 2022 | Flash Flood | — | — | — | — | — | County |
| 28 May 2022 | Flash Flood | — | — | — | — | — | County |
| 26 Oct 2021 | Flash Flood | — | — | — | — | — | County |
| 2 Sep 2021 | Flash Flood | — | — | — | — | — | County |
| 1 Sep 2021 | Flash Flood | — | — | — | — | — | County |
| 1 Sep 2021 | Flash Flood | — | — | — | — | — | County |
| 1 Sep 2021 | Flash Flood | — | — | — | — | — | County |
| 1 Sep 2021 | Flash Flood | — | — | — | — | — | County |
| 1 Sep 2021 | Flash Flood | — | — | — | 1 | — | County |
| 27 Aug 2021 | Flash Flood | — | — | — | — | — | County |
| 22 Aug 2021 | Flash Flood | — | — | — | — | — | County |
| 22 Aug 2021 | Flash Flood | — | — | — | — | — | County |
| 22 Aug 2021 | Flash Flood | — | — | — | — | — | County |
| 22 Aug 2021 | Flash Flood | — | — | — | — | — | County |
| 22 Aug 2021 | Flash Flood | — | — | — | — | — | County |
| 21 Aug 2021 | Flash Flood | — | — | — | — | — | County |
| 29 Jul 2021 | Flash Flood | — | — | — | — | — | County |
| 29 Jul 2021 | Flash Flood | — | — | — | — | — | County |
| 12 Jul 2021 | Flash Flood | — | — | — | — | — | County |
| 12 Jul 2021 | Flash Flood | — | — | — | — | — | County |
| 8 Jul 2021 | Flash Flood | — | — | — | — | — | County |
| 10 Jul 2020 | Flash Flood | — | — | — | — | — | County |
| 6 Jul 2020 | Flash Flood | — | — | — | — | — | County |
| 7 Aug 2019 | Flash Flood | — | — | — | — | — | County |
| 11 Jul 2019 | Flash Flood | — | — | — | — | — | County |
| 11 Jul 2019 | Flash Flood | — | — | — | — | — | County |
| 11 Jul 2019 | Flash Flood | — | — | — | — | — | County |
| 2 Oct 2018 | Flash Flood | — | — | — | — | — | County |
| 11 Aug 2018 | Flash Flood | — | — | — | — | — | County |
| 11 Aug 2018 | Flash Flood | — | — | — | — | — | County |
| 11 Aug 2018 | Flash Flood | — | — | — | — | — | County |
| 11 Aug 2018 | Flash Flood | — | — | — | — | — | County |
| 11 Aug 2018 | Flash Flood | — | — | — | — | — | County |
| 11 Aug 2018 | Flash Flood | — | — | — | — | — | County |
| 11 Aug 2018 | Flash Flood | — | $3.2M | — | — | — | County |
| 11 Aug 2018 | Flash Flood | — | — | — | — | — | County |
| 11 Aug 2018 | Flash Flood | — | — | — | — | — | County |
| 25 Jul 2018 | Flash Flood | — | — | — | — | — | County |
| 16 Apr 2018 | Flash Flood | — | — | — | — | — | County |
| 5 Aug 2017 | Flash Flood | — | — | — | — | — | County |
| 2 Aug 2017 | Flash Flood | — | — | — | — | — | County |
| 2 Aug 2017 | Flash Flood | — | — | — | — | — | County |
| 2 Aug 2017 | Flash Flood | — | — | — | — | — | County |
| 2 Aug 2017 | Flash Flood | — | — | — | — | — | County |
| 2 Aug 2017 | Flash Flood | — | — | — | — | — | County |
| 17 Jul 2017 | Flash Flood | — | — | — | — | — | County |
| 1 Jul 2017 | Flood | — | — | — | — | — | County |
| 31 Jul 2016 | Flash Flood | — | — | — | — | — | County |
| 31 Jul 2016 | Flash Flood | — | — | — | — | — | County |
| 31 Jul 2016 | Flash Flood | — | — | — | — | — | County |
| 31 Jul 2016 | Flash Flood | — | — | — | — | — | County |
| 31 Jul 2016 | Flash Flood | — | — | — | — | — | County |
| 31 Jul 2016 | Flash Flood | — | — | — | — | — | County |
| 31 Jul 2016 | Flash Flood | — | — | — | — | — | County |
| 31 Jul 2016 | Flash Flood | — | — | — | — | — | County |
| 31 Jul 2016 | Flash Flood | — | — | — | — | — | County |
| 31 Jul 2016 | Flash Flood | — | — | — | — | — | County |
| 31 Jul 2016 | Flash Flood | — | — | — | — | — | County |
| 15 Jun 2015 | Flash Flood | — | — | — | 1 | — | County |
| 31 May 2015 | Flash Flood | — | — | — | — | — | County |
| 14 Jul 2014 | Flash Flood | — | — | — | — | — | County |
| 13 Jun 2014 | Flash Flood | — | — | — | — | — | County |
| 23 May 2014 | Flash Flood | — | — | — | — | — | County |
| 23 May 2014 | Flash Flood | — | — | — | — | — | County |
| 23 May 2014 | Flash Flood | — | — | — | — | — | County |
| 22 Jul 2013 | Flash Flood | — | — | — | — | — | County |
| 22 Jul 2013 | Flash Flood | — | — | — | — | — | County |
| 1 Jul 2013 | Flash Flood | — | — | — | — | — | County |
| 1 Jul 2013 | Flash Flood | — | — | — | — | — | County |
| 1 Jul 2013 | Flash Flood | — | — | — | — | — | County |
| 1 Jul 2013 | Flash Flood | — | — | — | — | — | County |
| 18 Jun 2013 | Flash Flood | — | — | — | — | — | County |
| 28 Jul 2012 | Flash Flood | — | — | — | — | — | County |
| 28 Jul 2012 | Flash Flood | — | — | — | — | — | County |
| 8 Sep 2011 | Flood | — | — | — | — | — | County |
| 6 Sep 2011 | Flood | — | — | — | — | — | County |
| 6 Sep 2011 | Flood | — | — | — | — | — | County |
| 28 Aug 2011 | Flood | — | — | — | — | — | County |
| 28 Aug 2011 | Flood | — | — | — | — | — | County |
| 23 Jun 2011 | Flash Flood | — | — | — | — | — | County |
| 23 Jun 2011 | Flash Flood | — | — | — | — | — | County |
| 23 Jun 2011 | Flash Flood | — | — | — | — | — | County |
| 17 Apr 2011 | Flood | — | — | — | — | — | County |
| 16 Apr 2011 | Flood | — | — | — | — | — | County |
| 11 Mar 2011 | Flood | — | — | — | — | — | County |
| 7 Mar 2011 | Flood | — | — | — | — | — | County |
| 7 Mar 2011 | Flood | — | — | — | — | — | County |
| 1 Oct 2010 | Flood | — | — | — | — | — | County |
| 23 Jul 2010 | Flash Flood | — | — | — | — | — | County |
| 14 Jul 2010 | Flash Flood | — | — | — | — | — | County |
| 30 Mar 2010 | Flood | — | — | — | — | — | County |
| 14 Mar 2010 | Flood | — | $3.0M | — | — | — | County |
| 14 Mar 2010 | Flood | — | — | — | — | — | County |
| 14 Mar 2010 | Flood | — | — | — | — | — | County |
| 14 Mar 2010 | Flood | — | — | — | — | — | County |
| 14 Mar 2010 | Flood | — | — | — | — | — | County |
| 2 Aug 2009 | Flash Flood | — | — | — | — | — | County |
| 2 Aug 2009 | Flash Flood | — | — | — | — | — | County |
| 29 Jul 2009 | Flash Flood | — | — | — | — | — | County |
| 17 Jul 2009 | Flash Flood | — | — | — | — | — | County |
| 30 Jun 2009 | Flash Flood | — | — | — | — | — | County |
| 30 Jun 2009 | Flash Flood | — | — | — | — | — | County |
| 30 Jun 2009 | Flash Flood | — | — | — | — | — | County |
| 15 Jun 2009 | Flash Flood | — | — | — | — | — | County |
| 15 Jun 2009 | Flash Flood | — | — | — | — | — | County |
| 15 Jun 2009 | Flash Flood | — | — | — | — | — | County |
| 12 Dec 2008 | Flood | — | — | — | — | — | County |
| 6 Sep 2008 | Flash Flood | — | — | — | — | — | County |
| 6 Sep 2008 | Flood | — | — | — | — | — | County |
| 6 Sep 2008 | Flash Flood | — | — | — | — | — | County |
| 13 Feb 2008 | Flood | — | — | — | — | — | County |
| 1 Feb 2008 | Flash Flood | — | — | — | — | — | County |
| 8 Aug 2007 | Flash Flood | — | — | — | — | — | County |
| 27 Apr 2007 | Flash Flood | — | — | — | — | — | County |
| 27 Apr 2007 | Flash Flood | — | — | — | — | — | County |
| 15 Apr 2007 | Flood | — | $2.2M | — | — | — | County |
| 2 Mar 2007 | Flood | — | — | — | — | — | County |
| 8 Nov 2006 | Flood | — | — | — | — | — | County |
| 28 Oct 2006 | Flash Flood | — | — | — | — | — | County |
| 22 Jul 2006 | Flash Flood | — | — | — | — | — | County |
| 24 Jun 2006 | Flash Flood | — | — | — | 1 | — | County |
| 12 May 2006 | Flood | — | — | — | — | — | County |
| 8 Oct 2005 | Flash Flood | — | — | — | — | — | County |
| 8 Oct 2005 | Flash Flood | — | — | — | — | — | County |
| 6 Jul 2005 | Flash Flood | — | — | — | — | — | County |
| 28 Sep 2004 | Flash Flood | — | — | — | — | — | County |
| 28 Sep 2004 | Flash Flood | — | — | — | — | — | County |
| 28 Sep 2004 | Flash Flood | — | — | — | — | — | County |
| 8 Sep 2004 | Flash Flood | — | — | — | — | — | County |
| 23 Jul 2004 | Flash Flood | — | — | — | — | — | County |
| 12 May 2004 | Flash Flood | — | — | — | — | — | County |
| 11 Dec 2003 | Flash Flood | — | — | — | — | — | County |
| 11 Aug 2003 | Flash Flood | — | — | — | — | — | County |
| 9 Aug 2003 | Flash Flood | — | — | — | — | — | County |
| 4 Aug 2003 | Flash Flood | — | — | — | — | — | County |
| 14 Aug 2001 | Flood | — | — | — | — | — | County |
| 17 Jun 2001 | Flood | — | — | — | — | — | County |
| 30 Mar 2001 | Flood | — | — | — | — | — | County |
| 2 Nov 1999 | Flood | — | — | — | — | — | County |
| 16 Sep 1999 | Flash Flood | — | $6.0M | — | 1 | — | County |
| 8 Sep 1999 | Flash Flood | — | — | — | — | — | County |
| 26 Aug 1999 | Flood | — | — | — | — | — | County |
| 22 Mar 1999 | Flood | — | — | — | — | — | County |
| 15 Jan 1999 | Flash Flood | — | — | — | — | — | County |
| 16 Aug 1997 | Flash Flood | — | — | — | — | — | County |
| 2 Dec 1996 | Flash Flood | — | — | — | — | — | County |
| 19 Oct 1996 | Flash Flood | — | — | — | — | — | County |
| 19 Oct 1996 | Flash Flood | — | — | — | — | — | County |
| 8 Jul 1996 | Flash Flood | — | — | — | 1 | — | County |
| 8 Jul 1996 | Flash Flood | — | — | — | — | — | County |
| 3 Jul 1996 | Flash Flood | — | — | — | — | — | County |
| 3 Jun 1996 | Flood | — | — | — | — | — | County |
| 16 Apr 1996 | Flood | — | — | — | — | — | County |
| 27 Jan 1996 | Flood | — | — | — | — | — | County |
| 12 Jan 1996 | Flood | — | — | — | — | — | County |
Questions and answers
How many flood events has Passaic County had?
170 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 Passaic County?
30 Oct 2025 (Flash Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Passaic County?
The flash flood of 16 Sep 1999, with property damage estimated by NCEI at $6.0M; 1 death recorded.
How does Passaic County compare with New Jersey for flood?
91.4 events per 100 square miles against 51.5 statewide; the county holds 170 of the state's 3,787 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 30 Sep 2026. See the methodology, the Flood hub and the county page.