FEMA flood zones · Nevada

Eureka County, Nevada Flood Zone Map

1 flood insurance claims·$588 paid·1 federal flood & hurricane disasters

8% of Eureka 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 Eureka County, Nevada. 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 Eureka County floods

Flash flooding dominates the recorded flood history of Eureka County, accounting for 26 of the 40 total flood events recorded over the last 30 years, with general floods making up the remaining 14 events.

Severe impacts are documented in recent historical records. For example, an atmospheric river event in March 2023 brought high winds and snow transitioning to rain, causing snowmelt and extensive flooding in the area of Eureka alongside damages estimated at $7 million. This same March 2023 event caused flooding near the town of Austin affecting the Yomba Tribe, with damages estimated at approximately $5.5 million.

Federal insurance records reflect minimal historical claims payout data, with only one claim recorded in Zone A resulting in an average payout of $588 and an average recorded water depth of 0 inches. Properties located within Zone A should pay the most attention to flood risk, as these designated areas have documented historical claims.

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

In their words

10 NOAA storm reports from Eureka County describe what happened, in the words of the forecasters who covered it. Read the Nevada flood stories →

Federal disasters

8 federal disaster declarations since 1977, 1 of them floods, coastal storms or hurricanes.

DisasterBegan
Severe Winter Storms, Flooding, Landslides, And MudslidesMar 8, 2023
Hurricane Katrina EvacuationAug 29, 2005
Carlin FireJul 16, 2005
SnowJan 6, 2005
Record And/or Near Record SnowDec 29, 2004
DroughtJun 11, 1977

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

Recorded flood events

40 since 1996: 26 flash floods and 14 river or area floods.

EventDateDamage
FloodMar 14, 2023$10,000
FloodApr 11, 2023—
FloodMar 10, 2023$200,000
FloodMar 10, 2023$300,000
FloodMar 10, 2023$4.0M
FloodMar 10, 2023$500,000
FloodMar 10, 2023$800,000
Flash FloodMay 27, 2018—

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

From the storm reports

Flood · Mar 14, 2023. Another in a series of AR events brought valley rain, mountain snow, and high winds. Due to the valley rain, some snowmelt occurred leading to localized flooding.

Flood · Apr 11, 2023. A Multi-Day Warm-Up with temperatures in the 60s, and mid 70s (first 70 degree day of the year) caused melting of mid levels and some mountain level snow. This caused flooding to occur.

Flood · Mar 10, 2023. An AR event brought high winds and snow transitioning to rain, resulting in some snowmelt and extensive flooding in the area of Eureka, NV. An estimated $7 Million in damages occurred with the flooding. Damage coasts have been estimated, and split between the 7 entries from Eureka County. The Yomba Tribe, near the town of Austin, also experienced flooding estimated to be around $5.5 Million in damages.

Flash Flood · May 27, 2018. A closed low slowly meandered across the Nevada from May 26th to the 28th, producing widespread showers and thunderstorms. The storms were slow movers, resulting in flash flooding across portions of the area. The storm system also spawned a powerful supercell, which moved from northeast to southwest north of Elko and Carlin. A funnel cloud and well developed wall cloud was observed. Due to the radar signature, sig…

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 Eureka County

If a building in Eureka 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.