On FEMA’s figures, Rocksbury Township faces more hazard damage per building than 90% of U.S. towns, mostly from river and rain flooding
On FEMA’s National Risk Index, Rocksbury Township gets a D for hazard risk: higher expected damage per building than 90% of U.S. towns. Most of that expected damage is river and rain flooding (86%). Flood insurance has paid 2 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 Rocksbury 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
Wildfire
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 Rocksbury Township’s grade
River and rain flooding is 86% of the building damage FEMA expects in Rocksbury Township, and Rocksbury Township’s rate of river and rain flooding damage is in the top 5% of U.S. census tracts. Wildfire adds 7%, at a rate in the top 4% of U.S. census tracts.
D higher expected damage per building than 90% of U.S. towns (21,298).
Rocksbury Township’s residents live in 4 census tracts; FEMA’s figures are combined by where they live.
In dollars, FEMA expects about $1.3M a year in losses across Rocksbury Township: $1.2M to buildings, the rest to people and crops.
Does Rocksbury Township flood? Rarely: 2 flood claims since 1978
Every paid claim on a federal flood insurance policy in Rocksbury Township, from FEMA’s records: 4.4 per 1,000 homes, more than 57% of the 13,809 U.S. towns with a flood insurance record.
Rocksbury 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: Pennington County.The storms Rocksbury Township remembers
None of the 17 disasters declared for Pennington County shows FEMA aid or repair money reaching Rocksbury Township itself in FEMA’s records, so these are its biggest flood-claim years.
- 19781 flood claims paidThe year of Storms, Ice Jams, Snowmelt and Flooding, declared for Pennington County
- 19971 flood claims paidThe year of Severe Flooding, High Winds,severe Storms, declared for Pennington County
Pennington County has had 17 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.
Old photos of Rocksbury Township after a storm or flood belong in the town’s history. Add one, or share what you remember below.
Add to the Rocksbury Township archive →Rocksbury Township and its neighbors
Rocksbury Township has the lowest expected damage per building of the 2 graded towns here. Tap a town to see its hazards.
| Town | Hazard risk | Mostly (buildings) | Flood claims |
|---|---|---|---|
| Rocksbury Township | Dmore damage than 90% | river and rain flooding | 2 |
| Thief River Falls | Dmore damage than 91% | river and rain flooding | 8 |
| North Township | — | 520 residents; we grade 1,000+ | |
| Smiley Township | — | 471 residents; we grade 1,000+ | |
| Sanders Township | — | 198 residents; we grade 1,000+ | |
| Black River Township | — | 29 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.
Get ready for what Rocksbury 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.
- 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.
- Clear dead leaves and brush within 5 feet of the house.
- Sign up for local alerts and know two ways out.
- Keep N95 masks for smoky days.
- 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 Rocksbury Township
Is Rocksbury Township at risk for natural disasters?
On FEMA’s National Risk Index, Rocksbury Township has higher expected damage per building than 90% of U.S. towns: D for hazard risk. Most of the expected damage is river and rain flooding (86%) and wildfire (7%). This is FEMA’s model of an average year for today’s buildings, not a forecast.
Does Rocksbury Township flood?
Flood insurance has paid 2 claims in Rocksbury Township since 1978, $2K in all, or 4.4 per 1,000 homes, more than 57% of U.S. towns with a flood insurance record.
Is Rocksbury 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 Pennington County, 0.1% of all homes carry federal flood insurance.
How much is flood insurance in Rocksbury Township?
FEMA’s Community Rating System list shows no discount for Rocksbury Township’s flood program. Premiums depend on the building; policies usually start 30 days after you buy, so get a quote early.
Is Rocksbury Township at risk from river and rain flooding?
It is the largest share of the building damage FEMA expects here (86%), and Rocksbury Township’s rate for it is in the top 5% of U.S. census tracts.
Storm stories
Memories, warnings and help from neighbors in Rocksbury Township.
Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Rocksbury 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.