FEMA expects less hazard damage per building in Marcellus than in 86% of U.S. towns, mostly from river and rain flooding
On FEMA’s National Risk Index, Marcellus gets an A for hazard risk: lower expected damage per building than 86% of U.S. towns. Most of that expected damage is river and rain flooding (88%). Flood insurance has paid 8 claims here since 1978.
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
What Marcellus 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
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.
What’s behind Marcellus’ grade
River and rain flooding is 88% of the building damage FEMA expects in Marcellus, and Marcellus’ rate of river and rain flooding damage is lower than 59% of U.S. census tracts.
A lower expected damage per building than 86% of U.S. towns (21,298).
All of Marcellus’ residents live in one census tract; the figures are that tract’s.
In dollars, FEMA expects about $365K a year in losses across Marcellus: $301K to buildings, the rest to people and crops.
Does Marcellus flood? Rarely: 8 flood claims since 1978
Every paid claim on a federal flood insurance policy in Marcellus, from FEMA’s records: 7.8 per 1,000 homes, more than 69% of the 13,809 U.S. towns with a flood insurance record.
Marcellus isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Onondaga County.1 federal disaster brought FEMA money to Marcellus
Disasters that paid out in Marcellus itself (aid to households or repair grants to the Village of Marcellus), newest first, with that year’s flood claims.
- 2003Ice Storm5 households applied for aid$2K aid approved
Onondaga County has had 13 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; the 2001 World Trade Center declarations.
Old photos of Marcellus after a storm or flood belong in the town’s history. Add one, or share what you remember below.
Add to the Marcellus archive →Get ready for what Marcellus faces
A short kit for the hazards that drive the building damage here, what to check before you buy, and where neighbors get alerts.
- 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.
- 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.
Know where neighbors sign up for alerts? Add it to the Handbook so everyone has it.
Questions about natural hazards in Marcellus
Is Marcellus at risk for natural disasters?
On FEMA’s National Risk Index, Marcellus has lower expected damage per building than 86% of U.S. towns: A for hazard risk. Most of the expected damage is river and rain flooding (88%). 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.
Does Marcellus flood?
Flood insurance has paid 8 claims in Marcellus since 1978, $13K in all, or 7.8 per 1,000 homes, more than 69% of U.S. towns with a flood insurance record.
Is Marcellus 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 Onondaga County, 28% of homes in mapped flood zones carry federal flood insurance, and 0.7% of all homes do.
How much is flood insurance in Marcellus?
FEMA’s Community Rating System list shows no discount for Marcellus’ flood program. Premiums depend on the building; policies usually start 30 days after you buy, so get a quote early.
What was the biggest storm in Marcellus?
By FEMA money that reached Marcellus, Ice Storm (2003): 5 households applied for aid, $2K approved.
Is Marcellus at risk from river and rain flooding?
It is the largest share of the building damage FEMA expects here (88%), and Marcellus’ rate for it is lower than 59% of U.S. census tracts.
Storm stories
Memories, warnings and help from neighbors in Marcellus.
Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Marcellus’ 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.