Off-grid site report

Mississippi County, MO

36.9803, -89.3560 · 312 ft elevation

Read this before you act on anything below. This is my researched starting point for Mississippi County, MO, 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 rulesMississippi County, MO

Zoning & raw-land occupancy

Unclear - verifyNo adopted countywide zoning ordinance for unincorporated Mississippi County was found. Missouri law lets certain counties adopt zoning via their county commission, but there's no confirmation Mississippi County has done so; confirm with the County Commission. source

Dwellings, tiny homes & RVs

Unclear - verifyNo county ordinance on tiny homes, minimum dwelling size, or RV residency in unincorporated areas was found. Charleston's municipal code regulates buildings within city limits only. source

Building permits & codes

Unclear - verifyNo county building permit office or code was found, and the state statute allowing some counties to require permits outside cities likely doesn't apply to Mississippi County. Charleston has its own building code for property inside city limits. source

Septic & composting toilets

RestrictedThe Mississippi County Health Department permits and inspects on-site sewage systems under Missouri DHSS statewide standards, requiring an application, soil evaluation, and inspection before installation. source

Greywater reuse

Unclear - verifyNo county or Charleston ordinance on greywater reuse was found. State guidance says some counties add wastewater restrictions, so check directly with the county Health Department.

Rainwater harvesting

Generally allowedNo county-specific restriction was found, and Missouri state law protects rainwater collection statewide.

Private wells & water rights

RestrictedPrivate wells are regulated statewide by Missouri DNR under the Water Well Drillers Act and Well Construction Rules; self-drilled wells by the landowner are exempt from contractor permitting but must still meet construction rules. No county-specific well ordinance was found. source

Living disconnected from utilities

Generally allowedNo Mississippi County ordinance restricting off-grid living or non-connection to public utilities was found; this inherits the state's general baseline.

Open the full county page with sources →

Sun30-year normals

Peak-sun hours, annual average: 5.0 hrs/day
Worst month (sizes an off-grid array): 3.4 hrs/day
Yearly output per 1 kW of panels: 1,413 kWh

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Weather1991-2020

Precipitation: 46 in/yr
Heating degree days: 4,159 (moderate)

How far help isstraight-line

Hospital Missouri Delta Medical Center: 14.0 mi
Fire station Cairo Fire Department: 10.2 mi
Hardware store Cairo Public Utility Hardware Store: 10.5 mi
Grocery Rise Community Market: 10.0 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 63834).

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.