Light

ZIP Code 89421

Malheur County, Oregon — Mc Dermitt

5PSF (Ground Snow Load)
LightClassification

What This Means

Malheur County, Oregon 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 Code89421
CountyMalheur
CityMc Dermitt
StateOregon (OR)
Ground Snow Load5 PSF — Light
Classification Range1 - 20 PSF
Data QualityElevation 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

Roof Snow Load: 3.5 PSF

ⓘ Simplified estimate for flat roofs. Sloped roofs, drift zones, and unbalanced loads need additional calculations. Consult a structural engineer for final design.

Malheur 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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Nearby ZIP Codes

89418 5 PSF Light 89419 5 PSF Light 89420 5 PSF Light 89422 5 PSF Light 89423 CS Case Study 89424 5 PSF Light

Frequently Asked Questions

What is the ground snow load for ZIP code 89421?

ZIP code 89421 is in Malheur County, Oregon, with a ground snow load of 5 PSF, classified as light per ASCE 7-22.

Is my roof strong enough for snow in 89421?

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 89421 in?

ZIP code 89421 is in Malheur County, Oregon (OR).