Moderate

ZIP Code 17830

Northumberland County, Pennsylvania — Herndon

35PSF (Ground Snow Load)
ModerateClassification

What This Means

Northumberland County, Pennsylvania has a moderate ground snow load of 35 PSF per ASCE 7-22. This load requires proper structural consideration during design. Roof framing, trusses, and connections should be engineered for this snow load. Ensure adequate drainage to prevent ponding.

Snow Load Details

ZIP Code17830
CountyNorthumberland
CityHerndon
StatePennsylvania (PA)
Ground Snow Load35 PSF — Moderate
Classification Range21 - 40 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): 35 PSF

Roof Snow Load: 24.5 PSF

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

Northumberland County Snow Load Map

Counties colored by snow load classification. Gray = No Load, Blue = Light, Amber = Moderate, Orange = Heavy, Red = Extreme, Purple = Case Study.

Frequently Asked Questions

What is the ground snow load for ZIP code 17830?

ZIP code 17830 is in Northumberland County, Pennsylvania, with a ground snow load of 35 PSF, classified as moderate per ASCE 7-22.

Is my roof strong enough for snow in 17830?

With a moderate ground snow load of 35 PSF, standard residential construction typically handles this load, but verify with your local building code.

What county is ZIP code 17830 in?

ZIP code 17830 is in Northumberland County, Pennsylvania (PA).