FEMA flood zones · North Carolina

Durham County, North Carolina Flood Zone Map

443 flood insurance claims·$11.0M paid·4 federal flood & hurricane disasters

16% of Durham County’s area is in FEMA’s high-risk flood zones, and another 1% in shaded X (mostly the 0.2% floodplain and areas behind levees).

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 Durham County, North Carolina. 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 Durham County floods

Flash flooding from severe summer thunderstorms dominates the flood profile of Durham County, which recorded 91 flash flood events alongside 5 hurricane events, 4 general floods, and 3 tropical storms over the last 30 years.

Recent historic events highlight this vulnerability. In July 2025, tropical system remnants tracked into the region, producing catastrophic flash flooding from record rainfall of up to 11 inches in parts of the Piedmont. Earlier in May 2025, training and back-building storms dropped 3 or more inches of rain per hour across central North Carolina.

National Flood Insurance Program records show claims across multiple zones, with Zone A accounting for 235 claims at an average payout of $41,394 and an average recorded water depth of 7 inches. Zone X recorded 169 claims averaging $21,141 with an average water depth of 15 inches, while Zone V recorded 7 claims averaging $46,348 with an average water depth of 18 inches. Zone X_UNSHADED recorded 18 claims averaging $7,436 with an average water depth of 10 inches, and Zone X_SHADED recorded 14 claims averaging $3,019 with an average water depth of 1 inch. Property owners in designated high-risk zones, as well as those in moderate-to-low risk Zone X areas experiencing significant localized water depths, should pay the closest attention.

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

Where the flood claims came from

12% of Durham County’s flood insurance claims were on properties rated outside FEMA’s high-risk zones.

274 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 10 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 1996, with 76 claims and $703,312 paid, the year of Hurricane Fran.

1979: 2 claims1980: 1 claims1981: 2 claims1982: 1 claims1983: 2 claims1984: 5 claims1986: 6 claims1989: 1 claims1992: 1 claims1993: 1 claims1994: 2 claims1995: 2 claims1996: 76 claims1997: 5 claims1998: 16 claims1999: 18 claims2000: 16 claims2001: 3 claims2002: 17 claims2003: 2 claims2004: 5 claims2005: 8 claims2006: 6 claims2007: 1 claims2008: 7 claims2009: 3 claims2010: 1 claims2011: 2 claims2012: 5 claims2013: 16 claims2014: 9 claims2015: 6 claims2016: 41 claims2017: 3 claims2018: 58 claims2019: 5 claims2020: 6 claims2022: 1 claims2023: 3 claims2024: 30 claims2025: 47 claims2026: 1 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

45 NOAA storm reports from Durham County describe what happened, in the words of the forecasters who covered it. Read the North Carolina flood stories →

Federal disasters

25 federal disaster declarations since 1977, 4 of them floods, coastal storms or hurricanes.

DisasterBegan
Severe Winter StormJan 21, 2026
Tropical Depression ChantalJul 6, 2025
Hurricane HeleneSep 25, 2024
Tropical Storm DebbyAug 5, 2024
Hurricane IanSep 28, 2022
Hurricane IsaiasJul 31, 2020
Hurricane DorianSep 1, 2019
Hurricane FlorenceSep 7, 2018

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

Recorded flood events

103 since 1996: 91 flash floods and 4 river or area floods.

EventDateDamage
Flash FloodMay 29, 2025—
Flash FloodJun 28, 2025$20,000
Flash FloodJul 9, 2025$100,000
Flash FloodJul 9, 2025$2,000
Flash FloodJul 6, 2025$100,000
Flash FloodAug 30, 2024$5,000
Flash FloodSep 27, 2024—
Flash FloodSep 27, 2024$15,000

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

From the storm reports

Flash Flood · May 29, 2025. Storms over South Carolina in association with a mid-level system tracked into central North Carolina in the afternoon and evening hours. The storms initially produced a wind damage and isolated hail threat. Thereafter, the event evolved into a flash flood threat, with training and back building storms resulting in 3 or more inches per hour rainfall rates from Albemarle to Greensboro to Burlington to Henderson.

Flash Flood · Jun 28, 2025. In a typical summertime warm and humid regime, scattered showers and storms developed over the Piedmont and Coastal Plain of central North Carolina. Several storms produced numerous reports of trees down, with even a few isolated flash flood events.

Flash Flood · Jul 9, 2025. A weak trough of low pressure over the Ohio and Tennessee valley region was in place, along with very anomalous moisture over the Carolinas. Scattered showers and storms over the Appalachians become widespread as they moved into central North Carolina in the evening and overnight hours. Numerous wind and flash flooding reports were recorded over the region.

Flash Flood · Jul 6, 2025. Tropical Storm Chantal made landfall over northeastern South Carolina during the morning hours of July 6. The remnants of Chantal then tracked west-northwest into portions of central North Carolina, stalling out over the area before tracking east-northeast into Virginia by the 7th of July. Catastrophic flash flooding occurred from record rainfall of up to 11 inches in some spots of the Piedmont, included 6 flash f…

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 Durham County

If a building in Durham 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.