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BHazard risk
Natural hazards in Black Rock · FEMA

FEMA expects about as much hazard damage per building in Black Rock as in the typical U.S. town, mostly from river and rain flooding

On FEMA’s National Risk Index, Black Rock gets a B for hazard risk: lower expected damage per building than 59% of U.S. towns. Most of that expected damage is river and rain flooding (93%). FEMA’s files show no paid flood insurance claims here.

Graded on FEMA’s expected yearly building damage per dollar of building value (NRI v1.20, December 2025), weighted by where residents live; flood claims are shown, not graded. How hazard risk is graded

less than 59%of U.S. townsLess damageMoreExpected yearly damage per dollar of building, vs. the 21,298 U.S. towns we grade
By hazard

What Black Rock faces

Each hazard’s share of the building damage FEMA expects here, and how its rate compares with the rest of the country.

River and rain flooding

93%of expected building damage
Above average · higher than 68% of U.S. census tracts
Recorded about once a year in the area
Smaller shares here
 Earthquakes Wildfire Landslides top 1% Hail Strong wind Tornadoes Winter storms Ice storms Cold waves Heat waves Lightning Avalanches top 1% Volcanic activity top 4%
FEMA models no building damage here
Coastal floodingHurricanesTsunamis
People, not buildings.Counting harm to people as well as buildings, FEMA’s model puts cold waves at 16% of Black Rock’s expected losses. Cold waves do little damage to buildings (0.0%), so they aren’t part of the grade.

Shares are of FEMA’s expected building damage, the measure the grade uses; ranks compare each hazard’s building-damage rate with all 85,154 U.S. census tracts. In FEMA’s terms, river and rain flooding is FEMA’s “Inland Flooding” (rivers and streams overflowing their banks, or rain overwhelming drainage). FEMA defines coastal flooding as high or rising tides and storm surge, so surge damage is counted there. Drought isn’t listed: FEMA counts its losses in crops only.

Flood risk changes street by street. Check a specific address on FEMA’s flood map, and ask about flood insurance before you buy.
Hazard risk grade

What’s behind Black Rock’s grade

River and rain flooding is 93% of the building damage FEMA expects in Black Rock, and Black Rock’s rate of river and rain flooding damage is higher than 68% of U.S. census tracts. Landslides add 2%, at a rate in the top 1% of U.S. census tracts.

Where Black Rock sits
Black Rock
Least damageMiddleMost damage

B lower expected damage per building than 59% of U.S. towns (21,298).

All of Black Rock’s residents live in one census tract; the figures are that tract’s.

What drives the damage to buildings
River and rain flooding93%Earthquakes3%Everything else4%

In dollars, FEMA expects about $321K a year in losses across Black Rock: $210K to buildings, the rest to people and crops.

Shared tract.All of Black Rock’s 1,190 residents (2020 census) live in one census tract. FEMA publishes its model by tract, so the rate and the hazard mix are the tract’s. The flood claims below are the town’s own.
A shared figure. The grade describes the whole tract, not each street in it, and FEMA’s model is an average year for today’s buildings, not a record: the claims below are the record.

How TownRatings grades hazard risk →

Flood insurance claims

Does Black Rock flood? No paid flood claims on record

FEMA’s records show no paid flood insurance claims in Black Rock. That’s not a promise: most homes don’t carry flood insurance, so small floods go unrecorded.

of homes in flood zones are insured
of all homes are insured
No community discount

Black Rock isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.

Insurance rates: McKinley County.
Disasters

The storms Black Rock remembers

None of the 8 disasters declared for McKinley County shows FEMA aid or repair money reaching Black Rock itself in FEMA’s records, so these are its biggest flood-claim years.

Disasters declared, by decade
Paid out in Black RockMcKinley County only

McKinley County has had 8 natural disasters declared by the President since 1953, most often floods, then severe storms. Not counted: the 2005 Hurricane Katrina evacuee emergency, which covered counties that took in evacuees.

Next door

Black Rock and its neighbors

Black Rock has the lowest expected damage per building of the 2 graded towns here. Tap a town to see its hazards.

Zuni Pueblo: hazard risk DZuni PuebloBlack Rock
Lowest fifthSecondMiddleFourthHighest fifth
TownHazard riskMostly (buildings)Flood claims
Black RockBless damage than 59%river and rain flooding0
Zuni PuebloDmore damage than 92%river and rain flooding—

Hazard risk = FEMA’s expected yearly building damage per dollar of building value, vs. the 21,298 U.S. towns we grade; the map is shaded by fifths of the same scale. Flood claims = paid federal flood insurance claims on record.

Be ready

Get ready for what Black Rock faces

A short kit for the hazards that drive the building damage here, what to check before you buy, and where neighbors get alerts.

When the river rises
  • Turn around at flooded roads: a foot of moving water can carry off a car.
  • Flood insurance usually takes 30 days to start, so buy it before the forecast.
  • Keep papers and medicines up high, in a grab-and-go bag.
More from Ready.gov ↗
Before you buy or rent
  • Look up the address on FEMA’s flood map.
  • Ask the seller or landlord whether it has ever flooded, and what flood insurance costs there.
  • Get a flood insurance quote early: policies usually start 30 days after you buy.
When a storm is coming
Forecast and alertsWeather →911, the nearest ERSafety →

Know where neighbors sign up for alerts? Add it to the Handbook so everyone has it.

Questions about natural hazards in Black Rock

Is Black Rock at risk for natural disasters?

On FEMA’s National Risk Index, Black Rock has lower expected damage per building than 59% of U.S. towns: B for hazard risk. Most of the expected damage is river and rain flooding (93%). The figures are for the one census tract the town shares with its neighbors. This is FEMA’s model of an average year for today’s buildings, not a forecast.

Is Black Rock in a flood zone?

Flood zones are drawn street by street, so the answer depends on the address: look it up on FEMA’s flood map. In McKinley County, 4% of homes in mapped flood zones carry federal flood insurance, and 0.2% of all homes do.

How much is flood insurance in Black Rock?

FEMA’s Community Rating System list shows no discount for Black Rock’s flood program. Premiums depend on the building; policies usually start 30 days after you buy, so get a quote early.

Is Black Rock at risk from river and rain flooding?

It is the largest share of the building damage FEMA expects here (93%), and Black Rock’s rate for it is higher than 68% of U.S. census tracts.

Storm stories

Memories, warnings and help from neighbors in Black Rock.

Town Square →
Start the conversation

Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Black Rock’s residents lived in the 2020 census; OpenFEMA: NFIP redacted claims, multiple-loss properties, community status book and residential penetration rates, housing assistance (owners and renters), public assistance funded projects, hazard mitigation properties and disaster declarations. Homes: Census ACS 2020–24. Preparedness tips: Ready.gov. FEMA’s model is an average of expected damage, not a forecast. How hazard risk is graded.