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South Valley, New Mexico: natural disaster risk

How exposed South Valley is to floods, storms and other hazards, from FEMA and NOAA records for Bernalillo County.

Relatively High overall risk
37,120people
Inland floodingtop hazard
9federal declarations, Bernalillo County
17tornadoes in the county since 1950
Photo: kla4067, CC BY 2.0

South Valley is a community of 37,120 people in Bernalillo County, New Mexico. FEMA's National Risk Index rates Bernalillo County relatively high for natural hazards overall, higher than most of the US. The costliest hazards there are inland flooding, earthquake and heat wave, with about $154 million in expected losses a year across the county. The weather service has logged 458 storm reports in the county since 1957, including 17 tornadoes and 98 floods. About 0.5% of homes in the county carry federal flood insurance.

Risk figures are for Bernalillo County. FEMA National Risk Index December 2025; NOAA Storm Events; US Census Bureau ACS 2020 to 2024. Updated November 6, 2026.

Top risks in South Valley

Full Bernalillo County report ›
$93.2 million a year in the county
  • 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.

Earthquake

Moderate
$40 million a year in the county
  • Ask whether an older house is bolted to its foundation.
  • Consider separate earthquake insurance where risk is high.

Heat wave

Moderate
$6.3 million a year in the county
  • Check that cooling works before summer.
  • Know where the nearest cooling center is.

All hazards

HazardRatingA year
Inland floodingHigh$93M
EarthquakeModerate$40M
Heat waveModerate$6M
WildfireModerate$3M
HailHigh$3M
LightningVery High$3M
Winter weatherVery High$2M
TornadoLow$1M
Strong windModerate$1M
Cold waveLow$1M
DroughtLow$234K
Ice stormModerate$168K

Homes in South Valley

Median home value$224,300
Bernalillo County median$292,900
Median year built1970
Built before 198066%
Mobile homes15.1%

Older homes and mobile homes usually take more damage in storms, floods and earthquakes. Ask about roof age, flood history and retrofits before you buy or rent.

Strongest tornadoes in Bernalillo County

1965F1
1985F0
1987F0

Common questions about South Valley

Is South Valley safe from natural disasters?

South Valley is in Bernalillo County, which FEMA's National Risk Index rates relatively high overall, higher than most of the US. The biggest hazards are inland flooding, earthquake, heat wave. No place is free of risk, so check the flood map and insurance for any home you consider.

What natural disasters happen in South Valley?

By expected yearly losses in Bernalillo County, the top hazards are inland flooding (High), earthquake (Moderate), heat wave (Moderate). Bernalillo County has been part of 9 federal disaster or emergency declarations for natural events.

Does South Valley get tornadoes?

Yes. NOAA records list 17 tornadoes in Bernalillo County since 1950; the strongest was an F1 tornado on May 31, 1965. FEMA rates tornado risk in the county low.

Do I need flood insurance in South Valley?

Standard home insurance does not cover floods. In Bernalillo County, about 0.5% of homes have federal flood insurance, and FEMA rates inland flooding risk high. Check the FEMA flood map for your address and get a quote even outside a high-risk zone.