Off-Grid Living in Calhoun County, Mississippi

I'll be upfront: Calhoun County, Mississippi has a very thin official web presence. I could not find a county zoning ordinance, a county building code, or a dedicated planning/zoning department page hosted by the county itself. That's not unusual for small rural Mississippi counties, but it means a lot of what follows defaults to the Mississippi state baseline, and I've flagged that clearly wherever it applies. Always confirm locally, because a town inside the county (Bruce, Calhoun City, Vardaman, Derma, Big Creek, or Pittsboro) could have its own separate rules that override the county default.

Zoning and raw land. Mississippi counties aren't required to adopt zoning, and I found no evidence Calhoun County has countywide zoning outside its towns. If you're buying rural acreage, don't assume there's no zoning at all, just that I couldn't confirm one either way. Check with the Chancery Clerk's office, which is the closest thing to a general county administration contact I could confirm.

Tiny homes, RVs, manufactured housing. No county ordinance on this was found. Mississippi has no statewide tiny-home law, so this question really lives at the county or town level. Without a confirmed county code, I'd assume the more conservative default (permanent RV/tiny-home occupancy not automatically allowed) until you hear otherwise from the county.

Building permits. Mississippi has no mandatory statewide residential building code, and I found no evidence Calhoun County has adopted one or runs a building permit office. That doesn't necessarily mean "no permits needed," it means I couldn't confirm the county's stance either way. Towns within the county may have their own permit requirements separate from the county.

Septic systems. This one I can speak to with real confidence, because it's a state program, not a county one. Calhoun County is covered by the Mississippi State Department of Health's on-site wastewater program under Title 41, Chapter 67 of the Mississippi Code. MSDH writes the rules and administers licensing statewide, while county health department sanitarians and licensed Professional Evaluators handle the on-the-ground work. You can't self-permit or self-install: a Licensed Professional Evaluator does the soil evaluation and a Licensed Installer builds the system. Applications can be done online or via PDF forms submitted to MSDH.

Greywater. No county-specific rule found, so this defaults to the Mississippi baseline, which has no dedicated greywater reuse framework and generally treats greywater like wastewater needing an approved disposal system.

Rainwater harvesting. No restriction found at county or state level for typical residential collection like rain barrels or cisterns, so this is generally fine.

Wells. No Calhoun County water authority found. Well drilling is governed by state licensing rules through Mississippi's well-driller framework and environmental agencies, so you'll need a licensed well contractor regardless of what the county does or doesn't have on the books.

Going off-grid on utilities. No county rule found here either. State-level patterns suggest utilities may require maintaining a grid connection if you install grid-tied or hybrid solar, but pure off-grid setups aren't addressed one way or the other in what I found.

Bottom line: septic is solidly state-regulated and well-documented. Everything else here needs a phone call to the county before you commit to a plan.