Carbon, UT
Carbon County in Utah has 2 FEMA disaster declarations on record covering 1983–2005, most recently Hurricane Katrina Evacuation on Sep 5, 2005 (DR-3223). Its flood risk grade is A (Low risk), ranking #2896 of 3,277 U.S. counties, with 2 NFIP flood insurance claims totaling $10,201 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Carbon County
The 2 most recent federally declared disasters affecting Carbon County, UT (1983–2005). Total declarations on record: 2.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Sep 5, 2005 | Coastal Storm | Hurricane Katrina Evacuation | DR-3223 |
| Apr 30, 1983 | Flood | Severe Storms, Landslides & Flooding | DR-680 |
Score Breakdown
The composite score of 9 is calculated from four weighted factors. See our methodology for details.
Other Counties in Utah
| County | Grade | Score | Claims | Disasters |
|---|---|---|---|---|
| Iron | A | 9 | 2 | 3 |
| Uintah and Ouray Indian Reservation | A | 9 | 0 | 2 |
| Daggett | A | 9 | 0 | 3 |
| Duchesne | A | 9 | 0 | 3 |
| Emery | A | 9 | 0 | 3 |
| Piute | A | 9 | 0 | 3 |
More Counties in Utah
Frequently Asked Questions
How many FEMA disaster declarations does Carbon County, UT have?
Carbon County, UT has 2 federal disaster declarations on FEMA record (1983–2005). The 2 most recent are: Hurricane Katrina Evacuation (declared Sep 5, 2005, DR-3223); Severe Storms, Landslides & Flooding (declared Apr 30, 1983, DR-680). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Carbon County, UT?
Carbon County is graded A (composite score 9/100, low risk). It ranks #2896 of 3,277 U.S. counties for flood risk in our scoring model. The grade combines NFIP claims density (40%), disaster frequency (25%), claim severity (20%), and year-over-year trend (15%).
How many NFIP flood insurance claims have been filed in Carbon County?
2 NFIP flood insurance claims have been filed in Carbon County, UT, totaling $10,201 in payouts. The average claim is $5,100. Source: FEMA FimaNfipClaims v2 dataset.
Has Carbon County, UT had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Carbon County was Hurricane Katrina Evacuation on Sep 5, 2005 (DR-3223). The county has 2 declared disasters in the OpenFEMA record covering 1983–2005.
The this entity record above pulls directly from FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims. What follows is the per-entity context — how this entity sits in the broader U.S. flood risk, NFIP claims, and disaster declarations distribution and which underlying factors drive the headline numbers.
Every number on this page links back to FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. ZIPs, counties, and states with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: FEMA OpenFEMA datasets, 2026.