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FEMA flood zones · Utah

Piute County, Utah Flood Zone Map

1 flood insurance claims·$3,672 paid·3 federal flood & hurricane disasters

Less than 1% of Piute 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 Piute County, Utah. 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 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 1 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.

In their words

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

Federal disasters

8 federal disaster declarations since 1977, 3 of them floods, coastal storms or hurricanes.

DisasterBegan
Monroe Canyon FireJul 13, 2025
Silver King FireJul 7, 2024
FloodingApr 18, 2011
Hurricane Katrina EvacuationAug 29, 2005
Severe Storms, Landslides & FloodingApr 13, 1983
DroughtJan 20, 1977

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

Recorded flood events

11 since 1996: 10 flash floods and 1 river or area floods.

EventDateDamage
FloodAug 18, 2021—
Flash FloodAug 1, 2021$1,100
Flash FloodJul 17, 2018$75,000
Flash FloodJul 14, 2018—
Flash FloodAug 4, 2011—
Flash FloodJul 26, 2010—
Flash FloodJul 26, 2008—
Flash FloodAug 7, 2006—

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

From the storm reports

Flood · Aug 18, 2021. An active monsoon surge brought thunderstorms producing heavy rain, damaging wind gusts, and hail across the state.

Flash Flood · Aug 1, 2021. An active monsoon surge brought thunderstorms producing heavy rain, damaging wind gusts, and hail across the state.

Flash Flood · Jul 17, 2018. Strong thunderstorms continued to produce flash flooding over central and southern Utah in mid-July. Some thunderstorms also produced some gusty winds over northwest Utah during the evening of July 16.

Flash Flood · Jul 14, 2018. Strong thunderstorms continued to produce flash flooding over central and southern Utah in mid-July. Some thunderstorms also produced some gusty winds over northwest Utah during the evening of July 16.

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 Piute County

If a building in Piute 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.