Reference only. Data sourced from HUD/FHFA (2025). This site is a private entity and not affiliated with any government agency.
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Flood risk by county

National Risk Index scores attached to every county calculator.

CountyRiskScoreDetails
Apache CountyVery High98View
Cochise CountyVery High86View
Coconino CountyModerate44View
Gila CountyHigh75View
Graham CountyVery High81View
Greenlee CountyVery High98View
La Paz CountyVery High98View
Maricopa CountyHigh76View
Mohave CountyHigh58View
Navajo CountyVery High86View
Pima CountyVery High92View
Pinal CountyHigh76View
Santa Cruz CountyHigh71View
Yavapai CountyHigh78View
Yuma CountyVery High99View