FEMA flood zones · North Carolina

Mecklenburg County, North Carolina Flood Zone Map

2,883 flood insurance claims·$60.9M paid·2 federal flood & hurricane disasters

8% of Mecklenburg 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 Mecklenburg 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 Mecklenburg County floods

Flash flooding from summer thunderstorms dominates Mecklenburg County's flood risk, backed by 99 flash flood events and 6 deaths recorded over the last 30 years compared to 27 standard floods and 4 tropical storms resulting in 2 deaths. Recent events illustrate this hazard, including the June 2025 storms that produced repeated heavy rainfall and significant flash flooding over south Charlotte, as well as the September 2024 tropical moisture interacting with a slow-moving cold front.

National Flood Insurance Program claims data demonstrates that risk extends beyond high-risk areas. Zone A accounts for 2,036 claims with an average payout of $31,002 and an average recorded water depth of 15 inches. Meanwhile, properties in Zone X have recorded 410 claims with an average payout of $22,966 and an average water depth of 14 inches. Zone X shaded areas recorded an average water depth of 22 inches across 58 claims, and unshaded Zone X areas recorded an average of 10 inches across 334 claims.

Homeowners, real estate agents, and journalists should pay the most attention to properties located within Zone A, while recognizing that significant flood claims and standing water depths also occur frequently across all variations of Zone X.

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

Where the flood claims came from

16% of Mecklenburg County’s flood insurance claims were on properties rated outside FEMA’s high-risk zones.

2,440 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 14 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 2008, with 425 claims and $11.2M paid.

1978: 39 claims1979: 54 claims1980: 9 claims1981: 10 claims1982: 121 claims1983: 9 claims1984: 15 claims1985: 35 claims1986: 2 claims1987: 22 claims1988: 1 claims1989: 65 claims1990: 59 claims1991: 11 claims1992: 13 claims1993: 26 claims1994: 17 claims1995: 254 claims1996: 18 claims1997: 368 claims1998: 24 claims1999: 9 claims2000: 5 claims2002: 2 claims2003: 260 claims2004: 47 claims2005: 14 claims2006: 70 claims2007: 5 claims2008: 425 claims2009: 117 claims2010: 125 claims2011: 73 claims2012: 21 claims2013: 51 claims2014: 15 claims2015: 25 claims2016: 5 claims2017: 9 claims2018: 59 claims2019: 64 claims2020: 99 claims2021: 11 claims2022: 5 claims2023: 7 claims2024: 159 claims2025: 27 claims2026: 2 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

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

Federal disasters

18 federal disaster declarations since 1977, 2 of them floods, coastal storms or hurricanes.

DisasterBegan
Severe Winter StormJan 21, 2026
Hurricane HeleneSep 25, 2024
Tropical Storm 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

130 since 1996: 99 flash floods and 27 river or area floods.

EventDateDamage
FloodJun 12, 2025$5,000
Flash FloodJun 12, 2025$1.0M
Flash FloodAug 5, 2025$100,000
Flash FloodSep 27, 2024$150,000
Tropical StormSep 27, 2024$3.0M · 2 killed
Flash FloodSep 27, 2024$25.0M
Flash FloodJul 21, 2024$500
FloodJan 9, 2024$1,000

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

From the storm reports

Flood · Jun 12, 2025. Scattered thunderstorms and small storm clusters developed across the North Carolina Piedmont during the evening. Several of these clusters moved over south Charlotte, where multiple storms moved repeatedly over the same locations. Very heavy rainfall and significant flash flooding resulted. One of the storms also produced hail over Charlotte.

Flash Flood · Jun 12, 2025. Scattered thunderstorms and small storm clusters developed across the North Carolina Piedmont during the evening. Several of these clusters moved over south Charlotte, where multiple storms moved repeatedly over the same locations. Very heavy rainfall and significant flash flooding resulted. One of the storms also produced hail over Charlotte.

Flash Flood · Aug 5, 2025. An area of heavy rain with embedded thunderstorms developed over the North Carolina Piedmont in association with a surface low and stalled frontal boundary draped over the Coastal Plain. Localized very heavy rainfall resulted in urban and small stream flash flooding in south Charlotte.

Flash Flood · Sep 27, 2024. Tropical Cyclone Helene began organizing over the western Caribbean on the 23rd and 24th of September before rapidly intensifying as it moved north through the eastern Gulf of Mexico on the 25th and 26th. A plume of moisture extending from the intensifying storm interacted with a slow-moving cold front to produce a band of widespread heavy rain showers and embedded scattered thunderstorms over the southern Appalac…

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 Mecklenburg County

If a building in Mecklenburg 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.