Enter any address in Mifflin County, Pennsylvania to see its FEMA flood zone
Flash flooding from heavy rainfall events dominates the flood character of Mifflin County. Recent examples include September 2021, when heavy rain caused flooding and road closures in areas like Aaronsburg and Spring Mills, and May 2014, which saw widespread small stream flooding and road closures due to 2.5-5.0 inches of rainfall. Hurricane Sandy in October 2012 also brought significant flooding to the region.
National Flood Insurance Program (NFIP) data shows a substantial number of claims in Zone A (212 claims) and Zone X_SHADED (65 claims), indicating areas with higher flood risk. Homeowners in these zones, as well as those in Zone X_UNSHADED which has seen claims with an average water depth of 5.7 feet, should pay close attention to flood risk. Properties located near streams and rivers, or in areas identified as Zone A or X_SHADED on flood maps, are most likely to experience flooding.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
2 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Mifflin County, Pennsylvania has recorded 16 flood-related events since 1996 according to NOAA's Storm Events Database, including 8 flash floods and 7 river or area floods. The county has received 17 federal disaster declarations, 7 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1972–2020)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Hurricane Sandy | Hurricane | Oct 26, 2012 |
| Remnants Of Tropical Storm Lee | Flood | Sep 3, 2011 |
| Tropical Storm Lee | Flood | Sep 3, 2011 |
| Hurricane Katrina | Hurricane | Aug 29, 2005 |
| Tropical Depression Ivan | Hurricane | Sep 17, 2004 |
| Severe Storms And Flooding Associated With Tropical Depression Frances | Severe Storm | Sep 8, 2004 |
| Snow | Severe Storm | Feb 14, 2003 |
| Flooding Associated With Tropical Depression Fran | Flood | Sep 6, 1996 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flood | Sep 23, 2021 | 0.00K |
| Flood | May 16, 2014 | 0.00K |
| Flood | Oct 29, 2012 | 0.00K |
| Flood | Sep 7, 2011 | 100.00K |
| Flash Flood | May 3, 2011 | 0.00K |
| Flood | Sep 18, 2004 | — |
| Flood | Sep 17, 2004 | — (1 deaths) |
| Tropical Storm | Sep 18, 2003 | — |
| Flash Flood | Jan 23, 1999 | 3K |
| Flash Flood | Jul 8, 1998 | — |
Flood — Sep 23, 2021
Heavy rain brought flooding to portions of eastern Centre and Northeast Mifflin county on September 23rd. ||The National Weather Service State College reported that the area around Aaronsburg, Spring Mills, and Alfarata in eastern Centre and northeastern Mifflin Counties received between 5-5.50 inches of rain.||Flooding and road closures were reported in State College, Bellefonte, Park Forest ...
Flood — May 16, 2014
Deep southerly flow transported a plume of seasonably high moisture into the region along a slow-moving, north-south oriented cold front. This favorable heavy rain pattern produced a stripe of 2.5-5.0 inches of rainfall from the northern Blue Ridge into the north-central mountains of Pennsylvania. Widespread small stream flooding and multiple road closures were reported with five river forecast...
Flood — Oct 29, 2012
Hurricane Sandy began as a tropical wave over the Caribbean Sea around 19 October 2012 and became a powerful storm by 23 October 2012 before making its long track over the western Atlantic, just off the East Coast of the United States and then into New Jersey and Pennsylvania. High latitude blocking over the North Atlantic and the interaction with a strong upper-air disturbance over the central...
Flood — Sep 7, 2011
Heavy rainfall from the remnants of Tropical Storm Lee produced widespread flooding, flash flooding and river flooding mainly near and to the east of the Susquehanna Valley from September 4-10. Several locations in the Susquehanna Basin came close to records set by Hurricane Agnes (June 1972) and a few points (Bloomsburg, Hershey and Loyalsockville) set new floods of record. Flooding along Swat...
Flash Flood — May 3, 2011
A broken line of severe thunderstorms formed ahead of a cold front during the late afternoon, and produced localized wind damage and heavy rainfall across portions of east-central Pennsylvania. The heavy rain combined with above normal soil moisture and high stream-flows contributed to flash flooding.
Source: NOAA National Weather Service Storm Events Database.
Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).
FEMA assigns flood zone designations to areas in Mifflin 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.
Properties in Mifflin 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.