Off-Grid Living in Pearl River County, Mississippi

I've been digging into what off-grid living actually looks like in Pearl River County, Mississippi, and the honest answer is: it's a mixed bag of "yes, but confirm" and "not fully addressed yet." Here's what I found.

Zoning. Pearl River County's Planning & Development Division handles flood damage prevention and subdivision regulations, but I could not find an adopted, comprehensive countywide zoning ordinance covering use districts or setbacks. As of a 2024 Board of Supervisors workshop, countywide zoning was still being discussed as a proposal, not something on the books. If you're eyeing raw land here, call Planning & Development and ask directly whether your specific parcel sits inside any adopted district or is unzoned.

Dwellings, tiny homes, RVs. I found no county-specific rule on tiny homes on wheels, RV occupancy, or minimum dwelling size. That likely means the state's default (county discretion, often restrictive toward full-time RV/tiny home living) applies here, but this needs direct confirmation from Planning and Building before you buy or place anything.

Building permits. This one's clear: the county's Building Division operates under the adopted 2018 International Building Codes family, and Planning and Development issues permits and schedules inspections. If your land falls in a mapped flood zone (SFHA), you'll need an elevation certificate from a land surveyor before a permit gets issued.

Septic and composting toilets. Unlike many Mississippi counties, Pearl River County's on-site wastewater program is run directly by the Mississippi State Department of Health's Division of On-Site Wastewater, not a county environmental health office. You'll file a state application, and MSDH does the site/soil evaluation before issuing a construction permit. If you're inside the Pearl River County Utility Authority's service area, additional coordination rules with MSDH/MDEQ apply too.

Greywater. No county-specific greywater ordinance exists. It falls under the same MSDH wastewater rules as septic, treated as part of the regulated wastewater stream, so don't expect a simplified DIY greywater path.

Rainwater harvesting. No county restriction found, so the state's general allowance applies, rain barrels and cisterns should be fine.

Wells. No county-specific well ordinance beyond the state's licensed-well-driller requirement, but if you're within PRCUA's service area, their rules touch on how wells and septic/wastewater systems relate on the same parcel. Worth checking parcel-by-parcel.

Off-grid utilities. No county rule loosens or tightens the general state expectation that grid electric connections tend to continue even alongside solar setups. Check with your electric provider and the Building Division as part of permitting.

Bottom line: Pearl River County has real, enforced building and septic rules, but zoning and dwelling-type rules are genuinely unsettled or undocumented at the county level. Call before you buy.