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Natural hazards · Olla

Olla, LA natural hazards

Most of the natural-hazard damage FEMA expects in Olla comes from inland flooding, and overall the risk is moderate for a U.S. community. 5 federal disasters brought FEMA money into town.

FEMA National Risk Index, December 2025 · OpenFEMA claims, aid & declarations
Expected damage

How exposed is Olla?

53
Moderate
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Olla to be higher than in 53% of U.S. communities, mostly from inland flooding.

Inland flooding46%Heat waves14%Tornadoes12%Strong wind8%Hurricanes7%Cold waves6%Everything else9%
By hazard

What Olla faces

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

Inland flooding

46% of expected damage
Above average · higher than 62% of U.S. places
Recorded about once a year in the area

Heat waves

14% of expected damage
Above average · higher than 74% of U.S. places
Recorded about 22 times a year in the area

Tornadoes

12% of expected damage
Well above average · higher than 81% of U.S. places
Recorded about once every 7 years in the area

Strong wind

8% of expected damage
Well above average · higher than 92% of U.S. places
Recorded about 3 times a year in the area

Hurricanes

7% of expected damage
Well above average · higher than 82% of U.S. places
Recorded about once every 15 years in the area

Cold waves

6% of expected damage
Well above average · higher than 92% of U.S. places
Recorded about once every 2 years in the area

Lower here

HailIce stormsWinter weatherWildfireEarthquakesLandslidesLightningDrought

Not a risk here

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

Does Olla flood?

FEMA's records show no paid flood insurance claims in Olla.

of all homes
are insured
No community discount. Olla isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: La Salle Parish.
Disasters that hit Olla

5 federal disasters brought FEMA money here

Disasters the President declared that paid out in Olla itself: aid to households, or repair grants to the Town of Olla.

Brought FEMA money into OllaDeclared for La Salle Parish only
2021

Severe Winter Storms

9 households applied for aid $4K aid approved
2020

Hurricane Laura

312 households applied for aid $146K aid approved
2016

Severe Storms and Flooding

33 households applied for aid $63K aid approved $30K to the Town of Olla for repairs
2008

Hurricane Gustav

75 households applied for aid $46K aid approved $30K to the Town of Olla for repairs
2006

Severe Storms and Flooding

37 households applied for aid $76K aid approved $39K to the Town of Olla for repairs
La Salle Parish has had 28 natural disasters declared since 1953, most often hurricanes and floods.
About these numbers

How to read this page

An average, not a forecastFEMA’s National Risk Index estimates the damage 18 kinds of natural hazards cause in a typical year, from decades of records and models. A quiet decade can follow a bad year.
Compared by rate“Higher than N%” compares yearly damage as a share of what’s here, so a big city isn’t rated riskier just for having more buildings. Olla is smaller than a census tract, so it shares the figures of the tract around its center.
Money that reached townFlood claims are matched to Olla’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Town of Olla. FEMA’s model follows property values, so a place that recently lost many homes can rate lower than it feels.

Sources: FEMA National Risk Index (December 2025); 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. Census tracts: U.S. Census Bureau.

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/18 · 2025-01-01
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