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Franklin County, Pennsylvania Flood Zones

Check an Address in Franklin County

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

The Flooding Character of Franklin County

Flash flooding from thunderstorms is the most frequent type of flood event in Franklin County, PA, with 44 occurrences in the last 30 years. Other flood events, including general floods and tropical storms, have also been recorded. For example, flash flooding was reported in Washington Township in August 2025 following heavy rainfall. More widespread flooding, affecting areas including Franklin County, occurred in May 2025 due to a deep stream of moisture from the Atlantic.

National Flood Insurance Program (NFIP) claims data shows that properties in Zone A have experienced the most claims, with an average payout of $7,088 and an average water depth of 2.8 feet. Properties in Zone X_SHADED have also seen significant payouts, averaging $14,653 with 2.8 feet of water. Homeowners in or near floodplains, particularly those in Zone A or X_SHADED, should be aware of their 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

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

Read Pennsylvania flood stories →

Flood Risk Data for Franklin County

Franklin County, Pennsylvania has recorded 61 flood-related events since 1996 according to NOAA's Storm Events Database, including 44 flash floods and 16 river or area floods. The county has received 20 federal disaster declarations, 6 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 (1972–2020)

Disaster Declarations
20
Flood/Coastal Disasters
6
Hurricane Disasters
2
Latest Disaster
Covid-19 Pandemic (2020-01-20)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Franklin County

DeclarationTypeDate
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Severe Winter Storm And SnowstormSnowstormJan 22, 2016
Hurricane SandyHurricaneOct 26, 2012
Remnants Of Tropical Storm LeeFloodSep 3, 2011
Severe Winter Storms And SnowstormsSnowstormFeb 5, 2010
Severe Storms, Flooding, And MudslidesSevere StormJun 23, 2006
Hurricane KatrinaHurricaneAug 29, 2005
Tropical Depression IvanHurricaneSep 17, 2004
Severe Storms And Flooding Associated With Tropical Depression FrancesSevere StormSep 8, 2004

Recorded Flood Events in Franklin County

NOAA Storm Events Database (1996–2025)

Total Flood Events
61
River/Area Floods
16
Flash Floods
44
Hurricanes/Tropical Storms
1
Total Property Damage
$1.1M

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Franklin County

TypeDateDamage
Flash FloodAug 16, 20250.00K
Flash FloodJul 14, 20250.00K
FloodMay 13, 20250.00K
FloodJan 9, 20240.00K
Flash FloodMay 19, 20190.00K
Flash FloodMay 19, 201910.00K
Flash FloodJul 28, 20170.00K
Flash FloodJun 8, 20150.00K
FloodMay 16, 20140.00K
FloodJun 12, 20140.00K

Franklin County Flood History

Flash Flood — Aug 16, 2025

Diurnally driven showers and thunderstorms from the late evening hours of August 15, 2025 continued into the early morning hours of August 16th across eastern Pennsylvania. A non-severe thunderstorm drifted northward into Schuylkill County, producing efficient rainfall in a favorable moist environment, with gauge reports indicating between 3 and 6 inches of rainfall in a two-to-three hour timef...

Flash Flood — Jul 14, 2025

A fairly moist and unstable environment ahead of a shortwave trough allowed for showers and thunderstorms to begin forming across central Pennsylvania during the morning hours of July 14, 2025. Showers and thunderstorms became more numerous into the early afternoon hours, pushing eastward through the evening hours. Saturated soils across eastern Pennsylvania from recent flooding allowed for num...

Flood — May 13, 2025

A deep stream of moisture was pulled northwestward from the Atlantic Ocean into the mountains of south-central Pennsylvania around an upper level low centered over the Ohio Valley during the afternoon and evening hours of May 13. 2025. This led to extensive flooding and flash flooding across Somerset County and southwestern Bedford County, and more sporadic flooding from the remainder of Bedfor...

Flood — Jan 9, 2024

Warm advection ahead of low pressure pushing up the Ohio Valley produced a 4 to 6 hour period of moderate to heavy snow across the southern Allegheny Mountains of Pennsylvania during the morning of January 9, 2024. As much as 12 inches of snowfall was observed atop the Allegheny Front in eastern Somerset and eastern Cambria counties, with localized snowfall rates of 2-3 inches per hour. This sy...

Flash Flood — May 19, 2019

An upper level disturbance moving through the region brought showers and thunderstorms with heavy rainfall that caused flooding through southern Franklin county.

Source: NOAA National Weather Service Storm Events Database.

Franklin County NFIP Flood Insurance Claims

Total Claims Filed
154
Total Paid Out
$911,695
Avg Claim
$8,851
Avg Water Depth
6.3 ft

Claims by Flood Zone

A Zones (High Risk)
84
X Shaded (500-yr)
6
X Unshaded (Low)
6

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, Pennsylvania:

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, Pennsylvania 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.