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Risk: Very Low

Orange County, VT Environment & Hazard Risk

Very Low natural hazard risk, led by landslide. 539 storm events since 1996.

Expected yearly loss
$11.2M
Very Low nationally
Storm events since 1996
539
Most often winter storm
Flood insurance policies
120
0.9% of homes
Hurricanes nearby
0
5 tropical storms or stronger since 1893

Natural hazard risk

FEMA National Risk Index, December 2025

Overall risk

Very Low

Score 26.4 of 100

Social vulnerability

Very Low

Score 13.6 of 100

Community resilience

Relatively Moderate

Score 59.0 of 100

Community resilience runs the other way: a higher rating means a community can recover faster.

Building value exposed: $7.6B · Agriculture value exposed: $70.9M · Risk-adjusted yearly loss: $9.1M

Risk by hazard

  • LandslideRelatively Low$30.3K/yr expected annual loss, about 1.5 events a year
  • HurricaneRelatively Low$472K/yr expected annual loss, about once every 19 years
  • LightningRelatively Moderate$506K/yr expected annual loss, about 20 events a year
  • Winter weatherRelatively Low$93.2K/yr expected annual loss, about 21 events a year
  • Ice stormRelatively Low$66.9K/yr expected annual loss, about once every 2 years
  • EarthquakeVery Low$169K/yr expected annual loss, about once every 885 years
  • AvalancheVery Low$225/yr expected annual loss, about once every 100 years
  • Heat waveVery Low$250K/yr expected annual loss, about 1.1 events a year
  • Cold waveRelatively Low$555K/yr expected annual loss, about 4.0 events a year
  • Strong windRelatively Low$301K/yr expected annual loss, about once every 1 year
  • WildfireVery Low$7,743/yr expected annual loss, about once every 49,179 years
  • TornadoVery Low$143K/yr expected annual loss, about once every 18 years
  • HailVery Low$36.9K/yr expected annual loss, about 1.5 events a year

Bars show the national percentile score (0 to 100) for each hazard. Dollar figures are expected annual losses to buildings, people and crops. Not rated here: coastal flooding, drought, riverine flooding, tsunami, volcanic activity.

Flood risk and insurance

National Flood Insurance Program and FEMA flood maps

Check the flood zone for an address

Homes with flood insurance
120 of 13,688 (0.9%)
Homes in high-risk flood zones
0
Flood claims since 1978
84
Claims paid since 1978
$1.9M

Flood claims paid per year

Flood claims paid per year in Orange County
Beta
  • Hurricane Irene$790K · 21 claims
  • Vermont/New York Flooding$771K · 17 claims
  • Flooding$31.8K · 8 claims

Storm history

Since 1996: 539 events, 2 deaths, $56.2M in damage

  • Winter Storm138
  • Winter Weather137
  • Thunderstorm Wind110
  • Strong Wind28
  • Hail27
  • Flash Flood20
  • Cold/Wind Chill14
  • Flood13
  • Extreme Cold/Wind Chill11
  • High Wind8 · 1 death
Beta

Events per year

Storm events per year in Orange County
36
31
20
24
25
13
14
6
9
11
16
15
14
7
13
16
20
15
13
15
Beta

4 tornadoes on record (EF0 1, EF1 2, F1 1).

Most damaging storms

Since 1996, ranked by deaths, injuries and damage

  • Flash Flood08/28/2011

    Randolph, Orange County

    $34M damage

    What happened

    Severe flash flooding occurred across portions of Orange county, especially southern and western sections along the foothills of the Green Mountains. Communities such as Braintree, Randolph, Brookfield, Williamstown, Chelsea, Tunbridge and Strafford suffered signficant damage to roads and bridges (state and local), including Routes 12, 12A, 14, 110 and 113. Several homes and businesses as well as farms suffered tremendous losses to crops and livestock.

  • High Wind51 kt wind09/17/1999

    Orange

    1 death, $100K damage

    What happened

    The remnants of Tropical Storm Floyd moved into southern New England Thursday night (9/16/99) and then across eastern New England on Friday, September 17th. Strong winds combined with saturated soils from heavy rain resulted in many trees and power lines being blown down. A death occurred when a tree fell on a mobile camper in Randolph, Vermont. Power outages were reported, especially in Randolph, Bradford and Wells River. Schools were closed in Bradford and Wells River. In Randolph, the wind reached 44 knots (51 mph). The annual "World's Fair", held in Tunbridge, Vermont was closed due to weather and power outages. Rainfall across the county associated with the remnants of Floyd was 5 1/2 to 6 1/2 inches.

  • Lightning06/23/2012

    Post Mills Arpt, Orange County

    1 death

    What happened

    A 16 year old teenage farm worker was injured after being struck by lightning at the Crossroad Farm along the Fairlee/Post Mills line on June 23rd. He eventually died from his injuries on June 27th.

  • Flood08/29/2011

    Wells River, Orange County

    $6M damage

    What happened

    Heavy rainfall from Tropical Storm Irene caused flooding countywide in Orange County VT. Flooding along Wells River was extensive, isolating Wells River Village VT. Flooding along the Waits River caused widespread flooding through Corinth VT and downstream to Bradford VT.

  • Flash Flood06/27/1998

    Countywide, Orange County

    $2M damage

    What happened

    An area of low pressure tracked across New York and New England during the late night of Friday (June 26) and morning of Saturday (June 27). Heavy convective rains fell with 4 to 8 inches across northern portions of the county with extensive flooding. The Waits River and Ayers Brook experienced massive flooding.Widespread flooding was reported in Randolph. In Braintree 75 percent of the town roads were damaged. In Bradford, 2 feet of water was reported across many roads with road washouts and erosion. Many homes and businesses were flooded with a state of emergency declared. Up to 1000 people were without power. The National Guard assisted with cleanup operations.

  • Flash Flood07/01/2017

    Union Vlg, Orange County

    $1.9M damage

    What happened

    Roads throughout Orange County were heavily damaged by flash flooding. Thetford was particularly hard hit, where 75 percent of the towns roads were damaged. Residents were isolated by flood waters and damaged roads.

Drinking water

20 community water systems serve about 9,966 people. Violations since 2021.

2 systems had health-based violations, such as a contaminant over the legal limit or a missed treatment step. 3 systems had a violation of any kind still open at last report.

Largest systems by population served. Monitoring and reporting violations mean required tests or notices were late or missing, not that the water was unsafe.

Pollution sites

3 Superfund sites and 0 toxic release facilities in Orange County

Superfund sites

Toxic release facilities

None reporting in this county.

Superfund sitesToxic release facilitiesEPA inspections and enforcementAir toxics cancer risk35 historic places

Frequently asked questions

How risky is Orange County for natural disasters?
FEMA rates Orange County very low for overall natural hazard risk, with expected losses of $11.2M a year. The highest-rated hazards are landslide (relatively low), hurricane (relatively low), lightning (relatively moderate).
What storms are most common in Orange County?
Since 1996, NOAA recorded 539 storm events affecting Orange County, most often winter storm (138), winter weather (137), thunderstorm wind (110).
How many tornadoes have hit Orange County?
4 tornadoes have been recorded in Orange County since 1950.
How many homes in Orange County have flood insurance?
120 residential flood insurance policies are in force in Orange County, covering about 0.9% of homes. The program has paid $1.9M on 84 claims here since 1978.
What is the weather like in Orange County?
At Chelsea 2 NW, average highs reach 76°F in Jul and lows fall to 7°F in Jan, with 42.4 inches of rain a year (1991-2020 normals).

Source: FEMA (National Risk Index, NFIP), NOAA (Storm Events, HURDAT2, Climate Normals), EPA · Last updated 08/01/2026 · Storm counts include events in forecast zones that touch the county. This product uses the FEMA OpenFEMA API, but is not endorsed by FEMA.

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