Off-Grid Living in Menard County, Illinois

I've been digging into what off-grid living actually looks like in Menard County, Illinois, and here's my honest read of the research, with the caveat that I'm reporting what's on official pages, not practicing law or giving you a lived account.

Zoning first, because it depends on where you are. Menard County has a countywide Zoning and Subdivision Ordinance administered by the Zoning Deputy, but it doesn't reach everywhere. It covers unincorporated parts of the county and villages that haven't written their own land-use rules. But the cities of Athens, Greenview, and Petersburg run their own show, so if your land sits inside those city limits, you need to call city hall, not the county. Greenview is the oddball: both county and municipal subdivision rules apply there, and whichever is stricter wins. Before you buy or plan anything, call the Menard County Zoning Office and confirm your parcel's jurisdiction.

Dwelling size and RVs are murky. You'll see tiny-home blogs claiming Menard County requires a 500-square-foot minimum house. I could not verify that on any county government page or in the zoning ordinance document itself. Treat that number as unconfirmed until the Zoning Administrator tells you otherwise directly.

Building permits run through the same Zoning Office, and a zoning permit process exists, with the Zoning Administrator authorized to inspect property. I didn't find a detailed, standalone building code spelled out separately from the zoning ordinance on the county's official pages, so ask directly what construction standards apply to your project.

Septic is well-covered. Illinois state law, through the Illinois Department of Public Health, sets the baseline private sewage disposal rules, and Menard County Health Department is the local permitting authority, issuing installation permits and keeping a list of registered contractors and soil scientists. There's an old form floating around that pointed applicants to Sangamon County's health department instead, a leftover from what looks like a past cooperative arrangement, so double-check with Menard County Health Department directly on which office handles your permit now. Composting toilets aren't addressed separately anywhere I found.

Greywater and rainwater harvesting are both unaddressed at the county level, as far as official sources go. That likely means it falls to local health department discretion under the general septic framework, but there's no explicit rule either way.

Wells follow the state IDPH framework, with Menard County Health Department as your local point of contact for permits to construct, modify, or seal a well.

Living off-grid from utilities entirely (no electric or water hookup) doesn't appear explicitly banned or blessed in any Menard County document I found. It would live under the general zoning occupancy standards and the septic/well rules above.

Bottom line: call the county Zoning Office and Health Department before you commit to anything, and if you're inside Athens, Greenview, or Petersburg, start with city hall instead.