Light

ZIP Code 57722

Oglala Lakota County, South Dakota — Buffalo Gap

20PSF (Ground Snow Load)
LightClassification

What This Means

Oglala Lakota County, South Dakota has a light ground snow load of 20 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 Code57722
CountyOglala Lakota
CityBuffalo Gap
StateSouth Dakota (SD)
Ground Snow Load20 PSF — Light
Classification Range1 - 20 PSF
Data QualityMeasured

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): 20 PSF

Roof Snow Load: 14 PSF

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

Oglala Lakota 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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57719 25 PSF Moderate 57720 35 PSF Moderate 57724 35 PSF Moderate 57725 20 PSF Light

Frequently Asked Questions

What is the ground snow load for ZIP code 57722?

ZIP code 57722 is in Oglala Lakota County, South Dakota, with a ground snow load of 20 PSF, classified as light per ASCE 7-22.

Is my roof strong enough for snow in 57722?

With a light ground snow load of 20 PSF, standard residential construction typically handles this load, but verify with your local building code.

What county is ZIP code 57722 in?

ZIP code 57722 is in Oglala Lakota County, South Dakota (SD).