Off-grid site report

Amite County, MS

31.1649, -90.7931 · 390 ft elevation

Read this before you act on anything below. This is my researched starting point for Amite County, MS, not legal advice and not a guarantee. Rules change, and the deciding facts on any specific parcel (setbacks, perc results, overlay districts, deed restrictions, road frontage) live at the county or town office, not in any database. Before you buy land or build, confirm the current rules directly with the local zoning and health offices - the sources on this page tell you exactly who to call.

The local rulesAmite County, MS

Zoning & raw-land occupancy

Unclear - verifyI couldn't find a published countywide zoning ordinance for unincorporated Amite County on the county's official site. If your parcel is inside Liberty or Gloster, zoning would be handled by that town instead, so it's worth confirming with the Amite County Board of Supervisors office directly which rules, if any, apply to your specific piece of land. source

Dwellings, tiny homes & RVs

Unclear - verifyThere's no official Amite County document addressing tiny homes, RVs, or manufactured housing siting that I could find. Mississippi has no statewide tiny-home law, and how a county treats an RV as a dwelling is a local call, so this is one to ask the county departments office about before you buy or build.

Building permits & codes

Unclear - verifyI found no evidence Amite County has adopted a residential building code or runs a building permit office, though the state does require residential contractors to hold a Certificate of Responsibility before a permit can be issued anywhere in Mississippi. Since county adoption of a building code is optional under state law, you'll want to call the county directly to find out what, if anything, is enforced on unincorporated land.

Septic & composting toilets

Generally allowedSeptic and onsite wastewater systems in Amite County are permitted through the Mississippi State Department of Health's regional onsite wastewater program, which explicitly lists Amite as one of the counties it serves. You can apply online or by paper form, and MSDH handles site and soil evaluations for both standard and alternative systems. source

Greywater reuse

RestrictedI didn't find any Amite County-specific greywater rule, so it falls back to Mississippi's general approach, which has no dedicated greywater code and instead folds greywater into the same MSDH onsite wastewater permitting that covers septic systems. source

Rainwater harvesting

Generally allowedNo Amite County ordinance restricts rain barrels or cisterns, so this inherits Mississippi's state default, which is that residential-scale rainwater harvesting is legal without a permit.

Private wells & water rights

Generally allowedPrivate wells in Amite County fall under the state well-construction standards, and MSDH's regional office that handles septic permitting for the county also manages private water well sampling in the area. source

Living disconnected from utilities

RestrictedNo Amite County rule on grid disconnection was found, so the state default applies: off-grid power generation is legal in Mississippi, but full utility disconnection can run into state-level interconnection or practical hurdles, and no county exception was found to change that.

Open the full county page with sources →

Sun30-year normals

Peak-sun hours, annual average: 5.2 hrs/day
Worst month (sizes an off-grid array): 3.7 hrs/day
Yearly output per 1 kW of panels: 1,383 kWh

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Weather1991-2020

Precipitation: 61 in/yr
Heating degree days: 2,030 (mild)
Frost-free season: Mar 14 to Nov 19

How far help isstraight-line

Hospital Field Health System: 16.7 mi
Fire station: none within range
Hardware store Lowe's: 19.7 mi
Grocery Super II Foods: 17.1 mi

From OpenStreetMap. Road miles will be longer, often much longer in hill country.

Plan this spot

These open with this location's real numbers already filled in (ZIP 39645).

Size a solar system Heat loss & insulation Firewood per winter Rainwater harvest Garden size Panel tilt

Sources: US Census Bureau geocoder; NLR PVWatts v8 (solar); NOAA NCEI 1991-2020 climate normals (nearest station) or Open-Meteo (ZIP-centroid) for weather; Open-Elevation; OpenStreetMap contributors. Public data retrieved Aug 22, 2026; agencies update their layers on their own schedules. Planning data, not a survey or legal advice.