Naugatuck Valley Planning Region, CT
FEMA National Risk Index scores, disaster declarations & hazard data
Naugatuck Valley Planning Region's overall natural hazard risk is rated Relatively Moderate — near the middle compared to other US counties. No federal disaster declarations are on record for this county.
Naugatuck Valley Planning Region's highest-rated hazards are inland flooding, hurricane, and ice storm, with its top risk rated "Relatively High" by FEMA's National Risk Index.
Past disasters & FEMA designations
No federal disaster declarations on record for Naugatuck Valley Planning Region as of September 2026.
Risk by hazard type
| Hazard | Risk rating | Risk score | Recorded events | Deaths | Prop. damage |
|---|---|---|---|---|---|
| Wildfire | Very Low | 47.7 | 0 | 0 | — |
| Inland Flooding | Relatively High | 96.3 | 0 | 0 | — |
| Coastal Flooding | Very Low | 42.2 | 0 | 0 | — |
| Earthquake | Relatively Low | 86.1 | — | — | — |
| Heat Wave | Relatively Moderate | 80.7 | 8 | 0 | — |
| Tornado | Relatively Moderate | 73.1 | 0 | 0 | — |
| Hurricane | Relatively High | 95.1 | 0 | 0 | — |
| Hail | Relatively Low | 54.4 | 0 | 0 | — |
| Strong Wind | Relatively High | 89.1 | 0 | 0 | — |
| Winter Weather | Relatively High | 88 | 0 | 0 | — |
| Ice Storm | Relatively High | 94.4 | — | — | — |
| Cold Wave | Relatively Moderate | 72.1 | — | — | — |
| Lightning | Relatively High | 86.1 | 0 | 0 | — |
| Drought | Relatively Low | 50.2 | 0 | 0 | — |
| Landslide | Relatively Low | 86.8 | 0 | 0 | — |
| Avalanche | Not Applicable | — | — | — | — |
| Tsunami | Insufficient Data | — | — | — | — |
| Volcanic Activity | Not Applicable | — | — | — | — |
Scores are 0–100 percentiles relative to all US counties — higher means more exposed, not that a disaster is likely this year. Event counts: NOAA Storm Events 2016–2026; earthquake counts from USGS ComCat (M3.0+, 1996–2026). See the methodology page for details.
Community vulnerability
Naugatuck Valley Planning Region ranks in the 56th percentile (Moderate) for community vulnerability — a measure of how hard disaster impacts tend to hit residents. Higher vulnerability means more displacement, worse health outcomes, and slower recovery after a disaster.
| SVI theme | Percentile | Vulnerability level |
|---|---|---|
| Overall | 56th | Moderate |
| Socioeconomic status | 48th | Low |
| Household characteristics | 57th | Moderate |
| Racial & ethnic minority status | 76th | High |
| Housing type & transportation | 51st | Moderate |
Source: CDC/ATSDR Social Vulnerability Index 2022. Percentiles compare counties nationally — higher means more vulnerable relative to other counties. See CDC SVI for full methodology.
Future risk outlook
| Wildfire metric | National percentile | Level |
|---|---|---|
| Burn probability | 27th | Relatively Low |
| Risk to homes | 28th | Relatively Low |
| Buildings in direct exposure zone | 44.3% | — |
Wildfire: USDA Forest Service Wildfire Risk to Communities (RDS-2020-0016-2) — modeled values, not annual forecasts. See wildfirerisk.org. Inland flood and heat projections pending data availability; coastal sea-level projections are available for select coastal counties below — see the data page.
Nearby counties
Frequently asked questions
What natural hazards pose the greatest risk in Naugatuck Valley Planning Region?
According to the FEMA National Risk Index, the highest-risk hazards in Naugatuck Valley Planning Region, Connecticut are inland flooding, hurricane, and ice storm. The county's overall natural hazard risk is rated Relatively Moderate — near the middle compared to other US counties.
How does Naugatuck Valley Planning Region's natural hazard risk compare to nearby counties?
Among neighboring counties, Capitol Planning Region, CT has the highest overall natural hazard risk (Relatively High) and Northwest Hills Planning Region, CT has the lowest (Relatively Low). Naugatuck Valley Planning Region is rated Relatively Moderate overall.
How is Naugatuck Valley Planning Region's composite disaster risk index calculated?
Naugatuck Valley Planning Region's composite disaster risk index — officially FEMA's National Risk Index (NRI) — scores every US county on a 0–100 percentile scale across 18 natural hazard types, factoring in expected annual loss, social vulnerability, and community resilience. Naugatuck Valley Planning Region's composite score of 93 means its overall natural hazard risk is higher than 93% of US counties.