Natural hazards · St. Clair

St. Clair, PA natural hazards

Most of the natural-hazard damage FEMA expects in St. Clair comes from inland flooding, and overall the risk is very high for a U.S. community. Flood insurance has paid 25 claims here since 1996. 3 federal disasters brought FEMA money into town.

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

How exposed is St. Clair?

80
Very high
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in St. Clair to be higher than in 80% of U.S. communities, mostly from inland flooding.

Inland flooding86%Everything else14%
By hazard

What St. Clair faces

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

Inland flooding

86% of expected damage
Well above average · higher than 94% of U.S. places
Recorded about 2 times a year in the area

Lower here

HurricanesTornadoesHailIce stormsWinter weatherCold wavesHeat wavesWildfireEarthquakesLandslidesStrong windLightning

Not a risk here

Coastal floodingDroughtAvalanchesTsunamisVolcanic 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 St. Clair flood?

Every paid claim on a federal flood insurance policy in St. Clair, from FEMA’s records.

25paid claims since 1996
$196Kpaid to owners
1homes flooded more than once
19962026

Homes that flooded again and again

■ FEMA “severe repetitive loss” (0) ■ flooded 2+ times

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

3 federal disasters brought FEMA money here

Disasters the President declared that paid out in St. Clair itself: aid to households, or repair grants to the Borough of St. Clair.

Brought FEMA money into St. ClairDeclared for Schuylkill County only
2011

Tropical Storm Lee

3 households applied for aid $1K aid approved
2006

Severe Storms, Flooding, and Mudslides

76 households applied for aid $99K aid approved
2004

Tropical Depression Ivan

4 households applied for aid $5K aid approved
Schuylkill County has had 21 natural disasters declared since 1953, most often severe storms and floods.
Around St. Clair

St. Clair and the towns around it

East Norwegian: High, mostly inland floodingNorwegian: Low, mostly inland floodingPort Carbon: High, mostly inland floodingBlythe: High, mostly inland floodingPalo Alto: High, mostly inland floodingNorth Manheim: Low, mostly inland floodingCass: Very low, mostly inland floodingMinersville: High, mostly inland floodingBranch: Low, mostly inland floodingPottsville: Moderate, mostly inland floodingNew Castle: Very low, mostly inland floodingSt. Clair: Very high, mostly inland flooding St. ClairEast NorwegianNorwegian
Very lowLowModerateHighVery high
St. Clairmostly inland floodingVery high
East Norwegianmostly inland floodingHigh
Norwegianmostly inland floodingLow
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. St. Clair covers 1 census tract, combined by population.
Money that reached townFlood claims are matched to St. Clair’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Borough of St. Clair. FEMA’s model follows property values, so a place that recently lost many homes can rate lower than it feels.

FEMA’s expected losses across St. Clair total about $1.6M a year, counting buildings, people and crops.

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