Off-Grid Living in Richland County, Illinois

I'll be straight with you: Richland County, Illinois is one of the harder places for me to give you a confident off-grid roadmap, mostly because I couldn't find an official county-hosted zoning ordinance or building department page anywhere online. That's not the same as saying "anything goes," it just means you need to call and ask before you buy land or start building.

Zoning and raw land. Illinois counties are allowed, but not required, to adopt zoning under the state's Zoning Enabling Act. I could not confirm whether Richland County has adopted a countywide zoning ordinance. Incorporated towns inside the county, like Olney or Noble, may have their own separate zoning and building rules layered on top of (or instead of) the county's. Don't assume rural land is unregulated, confirm with the county and the specific township or village.

Dwellings, tiny homes, RVs. No statewide Illinois law sets minimum dwelling sizes or addresses tiny homes/RV living, so this falls to local rule, and I couldn't verify what Richland County or its towns actually require. Ask directly before you plan to live in something unconventional.

Building permits and codes. Illinois adopted a new statewide building code through the Capital Development Board in 2025, but how (or whether) Richland County enforces a local building code and permit process wasn't something I could confirm on an official county page. Start with the county board or building official.

Septic and composting toilets. This one I can speak to with more confidence. The Illinois Department of Public Health (IDPH) sets the statewide minimum standards for private sewage disposal systems, including alternative systems, and counties are empowered to adopt and enforce local ordinances that meet or exceed those state rules. In Richland County, the Richland County Health Office in Olney is your local contact for septic matters, though I couldn't confirm the exact scope of their septic permitting authority from their website alone.

Greywater and rainwater harvesting. Both are unclear here. I found no state or county rule addressing either one specifically, so ask the Health Office how greywater is treated relative to septic rules, and don't assume rainwater collection needs a permit, but also don't assume it doesn't.

Private wells. IDPH licenses well contractors and regulates well construction and sealing statewide, with local health departments reviewing plans and issuing permits for new wells. The Richland County Health Office also offers water testing locally.

Full utility disconnection. No state or county rule explicitly bans or blesses going fully off-grid on power or water, but local health and building codes (like requiring an approved septic system for occupancy) can indirectly force your hand. I couldn't confirm the details for Richland County specifically.

Bottom line: for septic and wells, you're dealing with real, confirmable state and local rules. For zoning, dwellings, and building codes, you're in "call and ask" territory.