FloodZoneMap.org

Franklin County, New York Flood Zones

Check an Address in Franklin County

Enter any address in Franklin County, New York to see its FEMA flood zone

The Flooding Character of Franklin County

Flash flooding from heavy rainfall events dominates Franklin County's flood character. Recent examples include widespread flash flooding in August 2024 due to excessive rainfall from the remnants of TS Debby, which damaged over 100 roads and several bridges, and significant flash flooding in July 2023 following torrential rainfall in eastern Franklin County.

The National Flood Insurance Program data indicates that properties in Zone A have experienced the most claims, with an average payout of $6,229 and an average water depth of 1.2 feet. Properties in Zone X, while having fewer claims, have shown a notably higher average water depth of 12.3 feet, though with an average payout of $0. Residents in areas designated as Zone A, or those located near rivers and streams, should pay particular attention to flood risk.

Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.

Read First-Hand Flood Stories from Franklin County

34 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.

Read New York flood stories →

Flood Risk Data for Franklin County

Franklin County, New York has recorded 52 flood-related events since 1996 according to NOAA's Storm Events Database, including 26 flash floods and 26 river or area floods. The county has received 20 federal disaster declarations, 3 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Franklin County Disaster History

FEMA Disaster Declarations (1993–2024)

Disaster Declarations
20
Flood/Coastal Disasters
3
Hurricane Disasters
1
Latest Disaster
Remnants Of Tropical Storm Debby (2024-08-08)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Franklin County

DeclarationTypeDate
Remnants Of Tropical Storm DebbyTropical StormAug 8, 2024
Severe Storms And FloodingSevere StormJul 9, 2023
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Severe Winter Storm And SnowstormSnowstormMar 14, 2017
Severe Storms And FloodingFloodJun 26, 2013
Hurricane SandyHurricaneOct 27, 2012
Hurricane IreneHurricaneAug 26, 2011
Severe Storms, Flooding, Tornadoes, And Straight-line WindsFloodApr 26, 2011
Hurricane Katrina EvacuationHurricaneAug 29, 2005

Recorded Flood Events in Franklin County

NOAA Storm Events Database (1996–2025)

Total Flood Events
52
River/Area Floods
26
Flash Floods
26
Total Property Damage
$18.3M

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Franklin County

TypeDateDamage
FloodAug 9, 20240.50M
Flash FloodJul 2, 2023100.00K
Flash FloodJun 23, 202280.00K
Flash FloodFeb 21, 2018100.00K
Flash FloodJun 18, 201825.00K
FloodJan 12, 201850.00K
FloodJan 12, 2018150.00K
Flash FloodJun 29, 20175.00K
Flash FloodJul 7, 20175.00K
Flash FloodMay 29, 201610.00K

Franklin County Flood History

Flood — Aug 9, 2024

The remnants of TS Debby tracked through St. Lawrence County during the afternoon/early evening of August 9, 2024. This produced a 50-75 mile swath of excessive rainfall from 3 to 7 inches which led to widespread flash flooding. Subsequent information indicated over 100 roads damaged or washed out with several bridges damaged and/or destroyed. Some flood damage to homes also occurred in a few l...

Flash Flood — Jul 2, 2023

Several rounds of torrential, convective rainfall affected portions of west central Clinton, and eastern Franklin Counties during the early morning and afternoon hours of July 2, 2023. Flooding and flash flooding, some significant, occurred in this area, particularly in the Ellenburg, NY area.

Flash Flood — Jun 23, 2022

A slow moving cold front pushed into the St. Lawrence Valley and northern Adirondacks during the morning hours of June 23, 2022. Bands of showers and thunderstorms, some with moderate to locally heavy rainfall were observed in this region, especially in the vicinity of Malone, NY.

Flash Flood — Feb 21, 2018

An ice jam formed in the Little Salmon River in Fort Covington in January and remained in place through February. In late February the combination of record warmth, rainfall, and rapid snow melt caused significant rises on the little Salmon River which was already jammed from January. This caused flooding of the town of Fort Convington and evacuations were performed.

Flash Flood — Jun 18, 2018

A significant cold front and upper level shortwave moved across a moderately unstable airmass across New York during the afternoon and evening hours of June 18th. A few small lines of thunderstorms moved across the state causing some thunderstorm wind damage.

Source: NOAA National Weather Service Storm Events Database.

Franklin County NFIP Flood Insurance Claims

Total Claims Filed
28
Total Paid Out
$136,741
Avg Claim
$8,043
Avg Water Depth
4.6 ft

Claims by Flood Zone

A Zones (High Risk)
16
X Unshaded (Low)
2

Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).

Flood Zone Types in Franklin County

FEMA assigns flood zone designations to areas in Franklin County, New York:

AE High Risk — 1% annual chance of flooding. Insurance required.

VE Very High Risk — Coastal flooding with wave action.

X (Shaded) Moderate Risk — 500-year floodplain.

X Low Risk — Outside major floodplains.

View all flood zone types →

Flood Insurance in Franklin County

Properties in Franklin County, New York that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.

Even outside high-risk zones, flood insurance is recommended. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.

Visit FloodSmart.gov to find an agent and get a quote.