ZIP Code 86515
McKinley County, New Mexico — Window Rock
What This Means
McKinley County, New Mexico has a light ground snow load of 5 PSF per ASCE 7-22. At this level, most standard residential roofs are designed to handle the load without issue. However, flat or low-slope roofs should still be checked for drifting and sliding snow.
Snow Load Details
| ZIP Code | 86515 |
| County | McKinley |
| City | Window Rock |
| State | New Mexico (NM) |
| Ground Snow Load | 5 PSF — Light |
| Classification Range | 1 - 20 PSF |
| Data Quality | Elevation estimated |
Source: ASCE 7-22 ground snow load polygons via ArcGIS
Roof Snow Load Calculator
ASCE 7-22 flat roof formula: pf = 0.7 × Ce × Ct × Is × pg
Your ground snow load (pg): 5 PSF
ⓘ Simplified estimate for flat roofs. Sloped roofs, drift zones, and unbalanced loads need additional calculations. Consult a structural engineer for final design.
McKinley County Snow Load Map
Counties colored by snow load classification. Gray = No Load, Blue = Light, Amber = Moderate, Orange = Heavy, Red = Extreme, Purple = Case Study.
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Frequently Asked Questions
What is the ground snow load for ZIP code 86515?
ZIP code 86515 is in McKinley County, New Mexico, with a ground snow load of 5 PSF, classified as light per ASCE 7-22.
Is my roof strong enough for snow in 86515?
With a light ground snow load of 5 PSF, standard residential construction typically handles this load, but verify with your local building code.
What county is ZIP code 86515 in?
ZIP code 86515 is in McKinley County, New Mexico (NM).