FEMA flood zones · Colorado

Pitkin County, Colorado Flood Zone Map

31 flood insurance claims·$235,562 paid·2 federal flood & hurricane disasters

1% of Pitkin County’s area is in FEMA’s high-risk flood zones.

Share of the whole county outline, rivers and lakes included; parts FEMA hasn’t mapped count as zero.

Coastal high risk (V, VE)FloodwayHigh risk (A, AE)Moderate (X, 500-year)Minimal (X)Undetermined (D)

Shaded areas are FEMA’s mapped flood hazard zones in and around Pitkin County, Colorado. Zoomed out they are simplified; at street level the map switches to FEMA’s exact layer. Tap anywhere to check that spot, or search an address above.

How Pitkin County floods

Flash flooding and high-flow river events dominate the flood history of Pitkin County, with the NOAA Storm Events Database recording 25 flash floods and 7 floods over the last 30 years, including one flood-related fatality. Spring events are often driven by accelerated snowmelt from near-record snowpacks, such as in May 2023 when high and fast flows compromised local trails and damaged roads. Another snowmelt event on the Roaring Fork River in May 2023 resulted in a drowning after an individual fell into the water. Winter conditions also pose risks, as demonstrated in February 2022 when an ice jam on the Roaring Fork River caused minor flooding.

Federal Insurance claims data shows impacts across multiple zones. Zone X leads with 16 claims averaging $9,416 with an average recorded water depth of 22 inches. Zone A accounts for 7 claims with a higher average payout of $53,685 and an average recorded water depth of 0 inches. Additionally, 7 claims occurred in Zone UNKNOWN with an average payout of $2,615 and an average recorded water depth of 2 inches, while 1 claim in Zone X_UNSHADED averaged $750 with an average recorded water depth of 40 inches. Homeowners and real estate professionals near rivers, drainages, and mapped flood zones should pay the closest attention to these recurring snowmelt and ice-jam hazards.

Summary written from NOAA storm reports and NFIP claims for this county. Not a prediction.

How deep the water got

outlet80″ door12″24″36″48″60″72″84″

In flood insurance claims here that reported a flood depth, the average was 19 inches.

Drawn to scale against an 80-inch door. Even a few inches soaks flooring, the bottom of the drywall and anything plugged in near the floor.

Average of the depths reported on claims (zero and implausible values left out); FEMA’s record doesn’t say exactly where each depth was measured. Source: OpenFEMA NFIP claims.

Flood claims, year by year

The worst year was 1995, with 9 claims and $161,804 paid.

1983: 2 claims1984: 4 claims1985: 1 claims1991: 4 claims1993: 1 claims1995: 9 claims1997: 2 claims1998: 1 claims2001: 1 claims2005: 1 claims2008: 1 claims2011: 2 claims2018: 1 claims2025: 1 claims19801990200020102020

Bar height is scaled by square root so ordinary years stay visible next to the worst one. NFIP claims by year of loss. Source: OpenFEMA.

In their words

1 NOAA storm reports from Pitkin County describe what happened, in the words of the forecasters who covered it. Read the Colorado flood stories →

Federal disasters

6 federal disaster declarations since 1977, 2 of them floods, coastal storms or hurricanes.

DisasterBegan
Hurricane Katrina EvacuationAug 29, 2005
WildfiresApr 23, 2002
Severe Storms, Mudslides, Landslides & FloodingJul 27, 1984
DroughtJan 29, 1977

Weather and water disasters only; most recent first. Source: OpenFEMA Disaster Declarations.

Recorded flood events

32 since 1996: 25 flash floods and 7 river or area floods.

EventDateDamage
FloodMay 29, 2023— · 1 killed
FloodMay 5, 2023$1,000
FloodJun 2, 2023$5,000
Flash FloodJan 13, 2022—
Flash FloodMar 11, 2022—
Flash FloodFeb 1, 2022—
Flash FloodDec 22, 2021—
Flash FloodJul 13, 2019—

— = no damage estimate in the record. Source: NOAA Storm Events Database.

From the storm reports

Flood · May 29, 2023. Accelerated snowmelt from a near-record snowpack due to above normal temperatures produced high and fast flow on the Roaring Fork River. One such area was between Wingo and Snowmass, Colorado, where an individual drowned after accidentally falling into the river.

Flood · May 5, 2023. Accelerated snowmelt from a near-record snowpack due to above normal temperatures produced high and fast flow on drainages in Pitkin and Gunnison counties. As a result, flooding compromised various trails in Pitkin County as well as a ranch along East River in Gunnison County.

Flood · Jun 2, 2023. Accelerated snowmelt from a near-record snowpack due to above normal temperatures and precipitation produced high and fast flow on drainages in several west-central counties. As a result, flooding led to some damage on some roads in Pitkin County.

Flash Flood · Jan 13, 2022. A period of cold temperatures caused an ice jam to form on the Roaring Fork River in portions of Pitkin County. Minor flooding occurred along the river with elevated river flows peaking during the early to mid afternoon hours.

National Weather Service narratives, lightly trimmed. Source: NOAA Storm Events Database.

The zones you’ll see on the map

Every colour on the map above is a place on this drawing: where the ground sits relative to the flood FEMA plans for.

Cross-section of a river floodplainDiagram: a river valley. The floodway is the channel and the land beside it; the 1%-annual-chance flood surface (the base flood elevation) covers the valley floor as zone A or AE; a narrow band higher up is shaded X, the 0.2% floodplain; higher ground is X.0.2% CHANCE A YEAR (500-YEAR)BASE FLOOD ELEVATION · 1% A YEARXAEFloodwayAEX
  1. A / AE Inside the 1%-a-year floodplain: about a 26% chance of flooding over a 30-year mortgage. AE has a mapped base flood elevation; plain A does not.
  2. Floodway The channel and the land beside it that has to be kept clear enough to carry the flood. Building here is tightly limited.
  3. X shaded The 0.2% (500-year) floodplain, plus some levee-protected and very shallow flood areas.
  4. X Outside both lines. No federal requirement to insure, which is not the same as no risk.

Every flood zone code explained →

Flood insurance in Pitkin County

If a building in Pitkin County is in a high-risk zone (A or V) and its mortgage comes from a federally regulated or insured lender, or is federally backed, flood insurance is required.

Outside those zones it is optional, and often worth having: from 2014 to 2024 nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area. Since Risk Rating 2.0, NFIP premiums are set for each building, so the only reliable price is a quote: FloodSmart.gov or a local agent.