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B−Hazard risk
Natural hazards in Sadsbury Township · FEMA

On FEMA’s figures, Sadsbury Township faces about as much hazard damage per building as the typical U.S. town, mostly from river and rain flooding

On FEMA’s National Risk Index, Sadsbury Township gets a B− for hazard risk: higher expected damage per building than 53% of U.S. towns, #789 of 1,037 in Pennsylvania. Most of that expected damage is river and rain flooding (82%), then hurricanes (11%). 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

more than 53%of U.S. townsLess damageMoreExpected yearly damage per dollar of building, vs. the 21,298 U.S. towns we grade#789 of 1,037 in Pennsylvania
By hazard

What Sadsbury Township 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

82%of expected building damage
Above average · higher than 69% of U.S. census tracts
Recorded about 3 times a year in the area

Hurricanes

11%of expected building damage
Well above average · higher than 82% of U.S. census tracts
Recorded about once every 13 years in the area
Smaller shares here
 Earthquakes Tornadoes Strong wind Winter storms Ice storms Hail Lightning Wildfire Cold waves Heat waves Landslides
FEMA models no building damage here
Coastal floodingAvalanchesTsunamisVolcanic activity
People, not buildings.Counting harm to people as well as buildings, FEMA’s model puts hurricanes at 20% of Sadsbury Township’s expected losses. Hurricanes do little damage to buildings (11.0%), 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 Sadsbury Township’s grade

River and rain flooding is 82% of the building damage FEMA expects in Sadsbury Township, and Sadsbury Township’s rate of river and rain flooding damage is higher than 69% of U.S. census tracts. Next is hurricanes at 11% (higher than 82% of U.S. census tracts).

Where Sadsbury Township sits
Sadsbury Township
Least damageMiddleMost damage

B− #789 of 1,037 in Pennsylvania; higher expected damage per building than 53% of U.S. towns (21,298).

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

What drives the damage to buildings
River and rain flooding82%Hurricanes11%Earthquakes4%Everything else3%

The typical Pennsylvania town has lower expected damage than 71% of U.S. towns; within the state, Sadsbury Township has more expected damage per building than 76% of Pennsylvania towns.

In dollars, FEMA expects about $1.3M a year in losses across Sadsbury Township: $795K to buildings, the rest to people and crops.

Shared tract.All of Sadsbury Township’s 3,536 residents (2020 census) live in one census tract, which it shares with Christiana borough (1,112 residents). FEMA publishes its model by tract, so the rate and the hazard mix are the tract’s, the same for all of them. The flood claims below are the township’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 Sadsbury Township flood? No paid flood claims on record

FEMA’s records show no paid flood insurance claims in Sadsbury Township. 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

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

Insurance rates: Lancaster County.
Disasters

The storms Sadsbury Township remembers

None of the 18 disasters declared for Lancaster County shows FEMA aid or repair money reaching Sadsbury Township itself in FEMA’s records, so these are its biggest flood-claim years.

Disasters declared, by decade
Paid out in Sadsbury TownshipLancaster County only

Lancaster County has had 18 natural disasters declared by the President since 1953, most often floods, then winter storms. Not counted: the 2005 Hurricane Katrina evacuee emergency, which covered counties that took in evacuees.

Next door

Sadsbury Township and its neighbors

Sadsbury Township is 7th of the 8 graded towns here, from least expected damage per building to most. Tap a town to see its hazards.

Lowest fifthSecondMiddleFourthHighest fifth
TownHazard riskMostly (buildings)Flood claims
West Fallowfield TownshipA+less damage than 96%river and rain flooding1
Upper Oxford TownshipA−less damage than 81%river and rain flooding1
West Sadsbury TownshipB+less damage than 73%river and rain flooding6
Colerain TownshipBless damage than 56%river and rain flooding1
Salisbury TownshipBless damage than 55%river and rain flooding1
ChristianaB−more damage than 53%river and rain flooding14
Sadsbury TownshipB−more damage than 53%river and rain flooding0
Bart TownshipC+more damage than 59%river and rain flooding2
Georgetown—784 residents; we grade 1,000+

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 Sadsbury Township 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 ↗
Hurricane season
  • The season runs June through November and peaks from mid-August to mid-October.
  • Bring in porch furniture and anything the wind can throw.
  • Fill the gas tank and charge phones before the storm arrives.
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 Sadsbury Township

Is Sadsbury Township at risk for natural disasters?

On FEMA’s National Risk Index, Sadsbury Township has higher expected damage per building than 53% of U.S. towns: B− for hazard risk, #789 of 1,037 in Pennsylvania. Most of the expected damage is river and rain flooding (82%) and hurricanes (11%). 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 Sadsbury Township 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 Lancaster County, 27% of homes in mapped flood zones carry federal flood insurance, and 0.4% of all homes do.

How much is flood insurance in Sadsbury Township?

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

Is Sadsbury Township at risk from river and rain flooding?

It is the largest share of the building damage FEMA expects here (82%), and Sadsbury Township’s rate for it is higher than 69% of U.S. census tracts.

Storm stories

Memories, warnings and help from neighbors in Sadsbury Township.

Town Square →
Start the conversation

Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Sadsbury Township’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.