FEMA flood zones · Pennsylvania

Huntingdon County, Pennsylvania Flood Zone Map

531 flood insurance claims·$8.8M paid·8 federal flood & hurricane disasters

6% of Huntingdon County’s area is in FEMA’s high-risk flood zones.

Share of the whole county outline, rivers and lakes included; parts FEMA hasn’t mapped count as zero.

Coastal high risk (V, VE)FloodwayHigh risk (A, AE)Moderate (X, 500-year)Minimal (X)Undetermined (D)

Shaded areas are FEMA’s mapped flood hazard zones in and around Huntingdon County, Pennsylvania. Zoomed out they are simplified; at street level the map switches to FEMA’s exact layer. Tap anywhere to check that spot, or search an address above.

How Huntingdon County floods

Over the last 30 years, flood risk in Huntingdon County, Pennsylvania, has been characterized primarily by standard floods and frequent flash flooding driven by severe weather. NOAA records show 35 flood events and 30 flash flood events, alongside a tropical storm. Recent activity includes a prolonged early spring storm system that dropped 2 to 4 inches of rain over a 72-hour period in April 2024, causing creeks and rivers to flood. Later, in September 2025, a convergence boundary produced locally heavy rainfall that resulted in nuisance flooding, closing State Route 453 near US Route 22.

National Flood Insurance Program claims data indicates that high-risk Zone A properties face the most severe impacts, accounting for 349 claims with an average payout of $25,012 and an average recorded water depth of 14 inches. Moderate- and lower-risk areas also experience significant water intrusion, with shaded Zone X properties averaging 7 inches of water across 57 claims, and unshaded Zone X properties averaging 10 inches across 21 claims.

Homeowners and real estate agents in high-risk Zone A, as well as properties located near creeks, rivers, and low-lying intersections, should pay the closest attention to flood risks and insurance needs.

Summary written from NOAA storm reports and NFIP claims for this county. Not a prediction.

Where the flood claims came from

18% of Huntingdon County’s flood insurance claims were on properties rated outside FEMA’s high-risk zones.

427 NFIP claims with a recorded rated flood zone, 1978 to date. The zone is the one FEMA used to rate that policy, which may not match today’s map. Source: OpenFEMA NFIP claims.

How deep the water got

outlet80″ door12″24″36″48″60″72″84″

In flood insurance claims here that reported a flood depth, the average was 11 inches.

Drawn to scale against an 80-inch door. Even a few inches soaks flooring, the bottom of the drywall and anything plugged in near the floor.

Average of the depths reported on claims (zero and implausible values left out); FEMA’s record doesn’t say exactly where each depth was measured. Source: OpenFEMA NFIP claims.

Flood claims, year by year

The worst year was 2004, with 160 claims and $3.8M paid, the year of Severe Storms and Flooding Associated With Tropical Depression Frances and Tropical Depression Ivan.

1978: 11 claims1979: 15 claims1981: 1 claims1983: 2 claims1984: 42 claims1986: 1 claims1988: 1 claims1989: 12 claims1993: 27 claims1994: 1 claims1995: 1 claims1996: 154 claims1997: 27 claims1999: 3 claims2003: 1 claims2004: 160 claims2006: 1 claims2008: 7 claims2009: 5 claims2011: 8 claims2012: 2 claims2013: 2 claims2014: 1 claims2015: 1 claims2017: 4 claims2018: 15 claims2019: 2 claims2021: 19 claims2024: 5 claims19801990200020102020

Bar height is scaled by square root so ordinary years stay visible next to the worst one. NFIP claims by year of loss. Source: OpenFEMA.

In their words

6 NOAA storm reports from Huntingdon County describe what happened, in the words of the forecasters who covered it. Read the Pennsylvania flood stories →

Federal disasters

18 federal disaster declarations since 1972, 8 of them floods, coastal storms or hurricanes.

DisasterBegan
Remnants Of Hurricane IdaAug 31, 2021
Severe Storms, Tornadoes, And FloodingJun 26, 2013
Hurricane SandyOct 26, 2012
Remnants Of Tropical Storm LeeSep 3, 2011
Tropical Storm LeeSep 3, 2011
Severe Winter Storms And SnowstormsFeb 5, 2010
Hurricane KatrinaAug 29, 2005
Tropical Depression IvanSep 17, 2004

Weather and water disasters only; most recent first. Source: OpenFEMA Disaster Declarations.

Recorded flood events

66 since 1996: 30 flash floods and 35 river or area floods.

EventDateDamage
FloodSep 22, 2025—
Flash FloodJun 9, 2025—
FloodApr 3, 2024—
FloodSep 1, 2021—
Flash FloodSep 1, 2021—
FloodMar 11, 2015—
FloodMay 16, 2014—
Flash FloodSep 27, 2011—

— = no damage estimate in the record. Source: NOAA Storm Events Database.

From the storm reports

Flood · Sep 22, 2025. A convergence boundary set up along the Allegheny Front and allowed for scattered showers and isolated thunderstorms to produce locally heavy rainfall in portions of Huntingdon County during the evening hours of September 22, 2025. Nuisance flooding was reported in Huntingdon County where State Route 453 near the intersection of US Route 22 was closed due to flooding.

Flash Flood · Jun 9, 2025. A low pressure system stationed along the Hudson Bay allowed for central Pennsylvania to experience a brief period in the warm sector during the afternoon hours of June 9, 2025 ahead of a mid-level trough. This trough aided in large-scale ascent ahead of a surface cold front that aided in supercell development across western and central Pennsylvania during the afternoon and evening with the trailing cold front, al…

Flood · Apr 3, 2024. A stationary front followed by a significant early spring storm system led to a prolonged period of wet weather from April 1 into April 3, 2024. Central Pennsylvania received 2-4 (locally 5+) of rain falling over roughly a 72-hour period, which led to flooding of creeks and rivers in some areas. Additionally, WFO CTP received a call from WFO PHI that a dam on Octoraro Creek in western Chester County was performing…

Flood · Sep 1, 2021. The remnants of Hurricane Ida produced widespread heavy rainfall across Pennsylvania. Additionally, thunderstorms were observed southeast Of I-81 and the PA Turnpike. One of these storms produced wind damage in Adams County.

National Weather Service narratives, lightly trimmed. Source: NOAA Storm Events Database.

The zones you’ll see on the map

Every colour on the map above is a place on this drawing: where the ground sits relative to the flood FEMA plans for.

Cross-section of a river floodplainDiagram: a river valley. The floodway is the channel and the land beside it; the 1%-annual-chance flood surface (the base flood elevation) covers the valley floor as zone A or AE; a narrow band higher up is shaded X, the 0.2% floodplain; higher ground is X.0.2% CHANCE A YEAR (500-YEAR)BASE FLOOD ELEVATION · 1% A YEARXAEFloodwayAEX
  1. A / AE Inside the 1%-a-year floodplain: about a 26% chance of flooding over a 30-year mortgage. AE has a mapped base flood elevation; plain A does not.
  2. Floodway The channel and the land beside it that has to be kept clear enough to carry the flood. Building here is tightly limited.
  3. X shaded The 0.2% (500-year) floodplain, plus some levee-protected and very shallow flood areas.
  4. X Outside both lines. No federal requirement to insure, which is not the same as no risk.

Every flood zone code explained →

Flood insurance in Huntingdon County

If a building in Huntingdon County is in a high-risk zone (A or V) and its mortgage comes from a federally regulated or insured lender, or is federally backed, flood insurance is required.

Outside those zones it is optional, and often worth having: from 2014 to 2024 nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area. Since Risk Rating 2.0, NFIP premiums are set for each building, so the only reliable price is a quote: FloodSmart.gov or a local agent.