Naugatuck Valley Planning Region, Connecticut
Natural disaster risk, federal disaster history and flood insurance facts.
Naugatuck Valley Planning Region, Connecticut has a moderate overall risk from natural hazards in FEMA's National Risk Index. Its risk score is higher than 93% of US counties. It ranks 4th of 9 planning regions in Connecticut. The costliest hazards here are inland flooding, hurricanes and earthquakes. FEMA estimates about $140 million a year in expected losses, or roughly $311 per resident. Since 1978 it has been included in 36 federal disaster or emergency declarations for natural events (21 major disasters). The most recent was in October 2024 (Hawthorne Fire). Fewer than 1 in 100 homes here carry federal flood insurance (548 policies).
FEMA National Risk Index December 2025; OpenFEMA declarations to Nov 6, 2026; NFIP records. Updated November 6, 2026.
Top risks in Naugatuck Valley Planning Region
- Check the FEMA flood map for your address, and ask the seller or landlord about past flooding.
- Price a flood policy now. Most new federal policies take 30 days to start.
- Know your evacuation zone and route before June 1.
- Ask about roof age, shutters and the separate wind or hurricane deductible on your home policy.
- Ask whether an older house is bolted to its foundation.
- Consider separate earthquake insurance where risk is high.
All 18 hazards
What the ratings mean ›| Hazard | Rating | Score | Expected loss a year | |
|---|---|---|---|---|
| Inland flooding | 96.3 | $101M | ||
| Hurricane | 95.1 | $24M | ||
| Earthquake | 86.1 | $3M | ||
| Tornado | 73.1 | $3M | ||
| Cold wave | 72.1 | $2M | ||
| Strong wind | 89.1 | $2M | ||
| Heat wave | 80.7 | $2M | ||
| Ice storm | 94.4 | $2M | ||
| Lightning | 86.1 | $1M | ||
| Winter weather | 88.0 | $364K | ||
| Hail | 54.4 | $326K | ||
| Drought | 50.2 | $153K | ||
| Wildfire | 47.7 | $43K | ||
| Landslide | 86.8 | $39K | ||
| Coastal flooding | 42.2 | $27K |
Scores are percentiles: a score of 90 means higher risk than about 90% of US counties for that hazard. Hazards FEMA does not rate here are left out. Social vulnerability is relatively low and community resilience is relatively high in FEMA's measures.
Federal disaster history
Recent disasters nationwide ›Declarations by decade
Federal declarations for natural events that included Naugatuck Valley Planning Region. 2020s bar runs to November 2026.
By type
Most recent
Show all 36
Connecticut also had 13 statewide declarations that did not name single counties.
Includes declarations made under former county codes; Connecticut regions overlap several old counties, so counts are approximate.
Hurricanes and tropical storms
Hurricane risk by county ›Since 1858, 9 hurricanes and 23 tropical storms have passed within 65 miles of the center of Naugatuck Valley Planning Region, 16 of them since 1950. The strongest was an unnamed hurricane in 1938, with top winds near 120 mph about 57 miles away.
Strongest storms nearby
| Date | Storm | Strength | Closest |
|---|---|---|---|
| Sep 21, 1938 | Unnamed | Category 3, 120 mph | 57 mi |
| Aug 31, 1954 | Carol | Category 3, 115 mph | 63 mi |
| Sep 15, 1944 | Unnamed | Category 2, 105 mph | 63 mi |
| Sep 12, 1960 | Donna | Category 2, 100 mph | 64 mi |
| Sep 16, 1858 | Unnamed | Category 1, 90 mph | 63 mi |
| Sep 27, 1985 | Gloria | Category 1, 85 mph | 64 mi |
Most recent storms
| Date | Storm | Strength | Closest |
|---|---|---|---|
| Aug 22, 2021 | Henri | Tropical storm, 60 mph | 64 mi |
| Jul 9, 2021 | Elsa | Tropical storm, 60 mph | 63 mi |
| Aug 28, 2011 | Irene | Tropical storm, 60 mph | 57 mi |
| Sep 17, 1999 | Floyd | Tropical storm, 60 mph | 47 mi |
| Jul 13, 1996 | Bertha | Tropical storm, 70 mph | 55 mi |
| Sep 27, 1985 | Gloria | Category 1, 85 mph | 64 mi |
Source: NOAA National Hurricane Center best-track records (HURDAT2), 1851 to 2025 for the Atlantic and 1949 to 2025 for the eastern Pacific. A storm counts if its track passed within 65 miles of the county's center while it was a tropical storm or hurricane. Strength is the storm's top sustained wind at that point, not the wind measured in the county. Older storms over the open sea were sometimes missed.
Flood insurance in Naugatuck Valley Planning Region
Check your address flood zone ›National Flood Insurance Program (NFIP) records only; private flood policies are not included. Home counts as of Aug 3, 2026. Since 2021 NFIP prices each home separately under Risk Rating 2.0, so your price depends on the building, not the county. Ask an agent for a quote.
Homes in Naugatuck Valley Planning Region
Older homes and mobile homes usually suffer more damage in storms, floods and earthquakes, and can cost more to insure. If you are buying, ask about roof age, foundation bolting and any retrofits. Source: US Census Bureau, American Community Survey 2020 to 2024 5-year estimates; 192,551 housing units.
Compare in Connecticut
All 9 ›| Largest counties | Overall risk | Top hazard |
|---|---|---|
| Capitol Planning Region | Inland flooding | |
| Western Connecticut Planning Region | Inland flooding | |
| South Central Connecticut Planning Region | Inland flooding | |
| Naugatuck Valley Planning Region | Inland flooding | |
| Greater Bridgeport Planning Region | Inland flooding | |
| Southeastern Connecticut Planning Region | Inland flooding | |
| Lower Connecticut River Valley Planning Region | Inland flooding | |
| Northwest Hills Planning Region | Inland flooding |
Neighboring counties
Cities in Naugatuck Valley Planning Region
Common questions about Naugatuck Valley Planning Region
What is the biggest natural hazard in Naugatuck Valley Planning Region?
Inland flooding has the highest expected yearly losses in Naugatuck Valley Planning Region, about $101 million a year in FEMA's estimate. Hurricane is second at $23.6 million.
How many federal disasters has Naugatuck Valley Planning Region had?
Naugatuck Valley Planning Region has been included in 36 federal disaster or emergency declarations for natural events since 1978, including 21 major disasters. The most recent was Hawthorne Fire in October 2024.
Is Naugatuck Valley Planning Region a high-risk place to live?
Its overall rating is Relatively Moderate, 4th highest of 9 in Connecticut. A county rating covers the whole area. Risk at one address can be much higher or lower, so check the FEMA flood map and ask about the home's history.
Do I need flood insurance in Naugatuck Valley Planning Region?
Standard home insurance does not cover flooding. About 1 in 250 homes in Naugatuck Valley Planning Region has federal flood insurance. Lenders require it in mapped high-risk zones, but many flood claims come from outside those zones.
How many hurricanes have hit Naugatuck Valley Planning Region?
NOAA's hurricane records show 9 hurricanes and 23 tropical storms passing within 65 miles of the center of Naugatuck Valley Planning Region, including 2 major hurricanes (Category 3 or stronger). The strongest was an unnamed hurricane in 1938, with winds near 120 mph.
Sources: FEMA National Risk Index (December 2025), OpenFEMA Disaster Declarations Summaries, and NFIP policy and claims data. Hazard Compass is independent and not affiliated with FEMA. These figures describe the whole county, not a single property, and are not insurance or safety advice. Report a problem.