FloodZoneMap.org

Alachua County, Florida Flood Zones

Check an Address in Alachua County

Enter any address in Alachua County, Florida to see its FEMA flood zone

The Flooding Character of Alachua County

Flooding from tropical storms and heavy rainfall events is a significant concern in Alachua County. Over the past 30 years, NOAA data shows 34 flood events and 11 flash flood events, alongside 9 tropical storm events that resulted in one fatality. Recent examples include Hurricane Helene in September 2024, which brought wind gusts of 55 to 75 mph, and Hurricane Debby in August 2024, which caused widespread inland flooding and flash flooding across river valleys.

National Flood Insurance Program (NFIP) claims data indicates that properties in Zone A have experienced the highest number of claims, with an average payout of $28,603 and an average water depth of 3.1 feet. While Zone X and Zone X_UNSHADED also have substantial claims, Zone X_SHADED properties have seen the highest average payouts, reaching $40,961. Homeowners in Zone A, as well as those in areas prone to flash flooding or near rivers, 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 Alachua County

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

Read Florida flood stories →

Flood Risk Data for Alachua County

Alachua County, Florida has recorded 54 flood-related events since 1996 according to NOAA's Storm Events Database, including 11 flash floods and 34 river or area floods. The county has received 35 federal disaster declarations. Enter any address above to check its FEMA flood zone designation.

Alachua County Disaster History

FEMA Disaster Declarations (1993–2024)

Disaster Declarations
35
Hurricane Disasters
10
Latest Disaster
Hurricane Milton (2024-10-05)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Alachua County

DeclarationTypeDate
Hurricane MiltonHurricaneOct 5, 2024
Hurricane HeleneHurricaneSep 23, 2024
Tropical Storm HeleneTropical StormSep 23, 2024
Hurricane DebbyTropical StormAug 1, 2024
Tropical Storm DebbyTropical StormAug 1, 2024
Hurricane IdaliaHurricaneAug 27, 2023
Tropical Storm IdaliaTropical StormAug 27, 2023
Hurricane NicoleHurricaneNov 7, 2022
Tropical Storm NicoleTropical StormNov 7, 2022
Hurricane IanHurricaneSep 23, 2022

Recorded Flood Events in Alachua County

NOAA Storm Events Database (1996–2025)

Total Flood Events
54
River/Area Floods
34
Flash Floods
11
Hurricanes/Tropical Storms
9
Total Property Damage
$560,000
Flood Deaths
1
Flood Injuries
2

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Alachua County

TypeDateDamage
Tropical StormSep 26, 20240.00K
FloodJun 11, 20245.00K
Tropical StormOct 9, 20240.00K
Tropical StormAug 4, 20240.00K
Tropical StormAug 30, 20230.00K (1 deaths)
Flash FloodSep 1, 20230.00K
FloodSep 1, 20230.00K
Tropical StormSep 29, 20220.00K
FloodAug 28, 20221.00K
FloodAug 23, 20221.00K

Alachua County Flood History

Tropical Storm — Sep 26, 2024

Hurricane Helene made landfall as a category 4 with peak winds of near 140 mph in the Florida Big |Bend just east of the Aucilla River Entrance in Taylor County, late Thursday evening September 26, |2024. Helene's main impact to southeast Georgia and northeast Florida was wind damage as it |tracked quickly north-northeast. The very powerful hurricane and the forward motion produced a |wide swa...

Flood — Jun 11, 2024

A surface front was stalled across north Florida with moist, unstable southwest flow off of the Gulf of Mexico south of the front. This airmass combined with frontal lift and sea breeze forcing triggered locally heavy rainfall and isolated strong to severe storms across portions of NE FL.

Tropical Storm — Oct 9, 2024

A tropical disturbance over the southwest Gulf of Mexico quickly developed into Tropical Storm |Milton on Saturday, October 5th. Milton then moved slowly east-southeastward, strengthening into a |hurricane the following day. On Monday, October 7th, the storm underwent rapid intensification, |reaching Category 5 strength as it neared the northwestern coast of Mexico's Yucat��n Peninsula. Lat...

Tropical Storm — Aug 4, 2024

Hurricane Debby made landfall as a Category 1 storm along the FL Big Bend coast during the early morning of August 5, 2024. Prior to landfall, outer convective bands produced tornadoes across portions of northeast Florida on August 4th. Widespread flooding moved inland with Debby across the Suwannee River Valley and inland Southeast Georgia where flash flooding and moderate to major river flood...

Tropical Storm — Aug 30, 2023

Hurricane Idalia made landfall Wednesday morning August 30th around 745 AM EDT along the|Florida Big Bend near Keaton Beach as a category 3, with the inner core moving NE across the|Suwannee River Valley. The inner wind core of Idalia gradually weakened through the morning while,|heavily impacting Suwannee and Hamilton counties in NE Florida and Echols county SE Georgia as the|circulation track...

Source: NOAA National Weather Service Storm Events Database.

Alachua County NFIP Flood Insurance Claims

Total Claims Filed
252
Total Paid Out
$6.3M
Avg Claim
$36,795
Avg Water Depth
5.8 ft

Claims by Flood Zone

A Zones (High Risk)
133
V Zones (Coastal)
4
X Shaded (500-yr)
7
X Unshaded (Low)
29

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

Flood Zone Types in Alachua County

FEMA assigns flood zone designations to areas in Alachua County, Florida:

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 Alachua County

Properties in Alachua County, Florida 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.