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City of Du Quoin (IL)

Illinois Authority Having Jurisdiction Solar permitting requirements

Wet Stamps RequiredDigital Structural

Codes

ASCE Code Specification: ASCE 7-16

SolarAPP+ & submittal

Revision Required: 0

Rough Inspection: None

New Planset Required For Module Swap: 0

Stamps

Wet Stamps Required: Digital Structural

Structural Calculations Required: Yes

Structural & loads

Wind Speed: 90

Snow Load: 20

Reducible Snow Load Allowed: 1

Plan set

Custom Placards Required: 0

Ground mount

Ground Mount Fencing Required: Mesh/Scrim

Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the City of Du Quoin (IL) building department before you rely on this, and treat it as a research head start, not a ruling. Getting quotes? Run them through the quote checker first.