139 flood insurance claims·$823,760 paid·4 federal flood & hurricane disasters
Share of the whole county outline, rivers and lakes included; parts FEMA hasn’t mapped count as zero.
Shaded areas are FEMA’s mapped flood hazard zones in and around San Miguel County, New Mexico. 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.
Flash flooding from summer thunderstorms and spring snowmelt dominates the flood risk in San Miguel County. Over the last 30 years, NOAA recorded 65 flash flood events resulting in 3 deaths, alongside 5 general flood events. Recent events illustrate these hazards, such as a May 2025 rain-on-snow event and rapid warmup that caused flooding across the east slopes of the Sangre de Cristo Mountains from Mora to Las Vegas and Mineral Hill. Additionally, a May 2025 thunderstorm dropped 1 to 2 inches of rain over the Hermit's Peak/Calf Canyon burn scar, producing flash flooding along the Gallinas and Sapello Rivers that overtopped low water crossings toward Montezuma and Las Vegas.
National Flood Insurance Program records indicate that property damage occurs across multiple zones, with the highest claim volume concentrated in Zone X (104 claims, averaging an average 23 inches of recorded water depth and $15,621 in payouts) and Zone A (32 claims, averaging an average 19 inches of recorded water depth and $10,496 in payouts). Property owners, real estate agents, and journalists should pay the closest attention to homes located near rivers, burn scars, and low water crossings where unshaded and shaded Zone X properties as well as Zone A areas face documented flood and flash flood liabilities.
Summary written from NOAA storm reports and NFIP claims for this county. Not a prediction.
6% of San Miguel County’s flood insurance claims were on properties rated outside FEMA’s high-risk zones.
34 NFIP claims with a recorded rated flood zone, 1978 to date. The zone is the one FEMA used to rate that policy, which may not match today’s map. Source: OpenFEMA NFIP claims.
In flood insurance claims here that reported a flood depth, the average was 22 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.
The worst year was 2024, with 90 claims and $571,934 paid, the year of Severe Storms and Flooding.
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.
51 NOAA storm reports from San Miguel County describe what happened, in the words of the forecasters who covered it. Read the New Mexico flood stories →
21 federal disaster declarations since 1965, 4 of them floods, coastal storms or hurricanes.
| Disaster | Began |
|---|---|
| Las Tusas Fire | May 10, 2023 |
| Calf Canyon Fire | Apr 20, 2022 |
| Hermit's Peak Fire | Apr 12, 2022 |
| Wildfires, Straight-line Winds, Flooding, Mudflows, And Debris Flows | Apr 5, 2022 |
| Severe Storms And Flooding | Sep 15, 2014 |
| Severe Storms And Flooding | Jul 27, 2014 |
| Severe Storms, Flooding, And Mudslides | Sep 9, 2013 |
| Tres Lagunas Fire | May 30, 2013 |
Weather and water disasters only; most recent first. Source: OpenFEMA Disaster Declarations.
70 since 1996: 65 flash floods and 5 river or area floods.
| Event | Date | Damage |
|---|---|---|
| Flash Flood | May 31, 2025 | — |
| Flash Flood | Jul 17, 2025 | — |
| Flood | May 8, 2025 | — |
| Flood | May 5, 2025 | — |
| Flash Flood | Jun 30, 2024 | — |
| Flash Flood | Jun 21, 2024 | — |
| Flash Flood | Jun 21, 2024 | $1.0M |
| Flash Flood | Oct 20, 2024 | — |
— = no damage estimate in the record. Source: NOAA Storm Events Database.
Flash Flood · May 31, 2025. Thunderstorms developed over the central portion of the 2022 Hermit's Peak/Calf Canyon burn scar in the early afternoon of May 31st. One of these storms produced heavy rain over upper portions of the Gallinas and Sapello Rivers. An estimated 1 to 2 inches of rainfall produced flash flooding within these drainages that overtopped low water crossings that reached down the Gallinas Creek to areas between Montezuma an…
Flash Flood · Jul 17, 2025. Abundant monsoonal moisture resulted in scattered to numerous afternoon thunderstorms developing over the high terrain of NM before moving over surrounding lower elevations during the late afternoon and evening hours of July 16th and 17th. While a few thunderstorms became severe and produced large hail in a few spots of northeastern NM on the 16th, flash flooding over the Ruidoso area burn scars was the main sourc…
Flood · May 8, 2025. A late season winter storm event from May 4th through the 6th dumped two to three feet of snow across the Sangre de Cristo Mountains. This event was followed by a rain on snow event from May 5th through the 8th in which flooding was experienced across a large section of the east slopes of the Sangre de Cristo Mountains from areas around Mora, to Las Vegas, to Mineral Hill. A fast warmup in temperatures continued b…
Flood · May 5, 2025. Abundant moisture pushed east to west across NM behind a strong cold front ahead of a strong upper level low approaching from AZ. The abundant moisture and favorable weather setup allowed for multiple days of strong to severe thunderstorms to develop across northern and central NM from May 4th through the 6th. Alongside all of this was unseasonably cold weather at higher elevations of the northern mountains. The S…
National Weather Service narratives, lightly trimmed. Source: NOAA Storm Events Database.
Every colour on the map above is a place on this drawing: where the ground sits relative to the flood FEMA plans for.
If a building in San Miguel 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.