Off-Grid Living in White County, Illinois

I'll be straight with you: White County, Illinois is one of the harder places I've researched, because its official web presence is thin. The county government site, whitecounty-il.gov, doesn't host a zoning ordinance, a building code, or septic/well rules that I could find, and there's no page from a recognized code host (Municode, eCode360, American Legal) for this county either. So a good chunk of this brief is "not confirmed," and I want to be upfront about that rather than guess at ordinance numbers that don't exist in my research.

Zoning: I don't know whether White County has adopted a countywide zoning ordinance. Illinois doesn't require counties to zone, and plenty of rural Illinois counties leave zoning to incorporated towns like Carmi, Grayville, Norris City, or Enfield. If you're eyeing unincorporated land, call the County Board or Clerk's office and ask point-blank whether a countywide ordinance exists and what district your parcel falls in.

Dwellings, tiny homes, RVs: No county rule on this turned up, and Illinois itself has no statewide statute either. If something governs this locally, I couldn't find it published.

Building permits: Illinois adopted a new statewide building code through the Capital Development Board, effective January 1, 2025, but I couldn't confirm how or whether White County administers permitting under it at the local level. There's no dedicated county building department page I could locate.

Septic: Here the picture is a bit clearer. Illinois regulates septic systems statewide under the IDPH Private Sewage Disposal Code, and permitting is delegated to local or regional health departments. White County's own public-notices page directs residents to the Egyptian Public & Mental Health Department for environmental health matters, so that's very likely who issues septic permits for the county. I just couldn't find an official page from that department spelling out the exact procedure, so confirm directly with them.

Wells: Same story as septic. Illinois' Water Well Construction Code is administered by IDPH through delegated local health departments, and Egyptian Public & Mental Health Department is the logical point of contact for White County, but I haven't confirmed this on an official well-permitting page.

Greywater and rainwater: No local rules found either way. These would default to whatever the state baseline is, and I'd ask the health department how they treat greywater under the private sewage code before you build a reuse system.

Utility disconnection: No ordinance found requiring or restricting off-grid utility setups.

Bottom line: this is a county where you need to make some phone calls before you buy or build. Nothing here confirms you're in the clear, but nothing confirms strict prohibition either.