Off-grid site report

Okmulgee County, OK

35.6159, -95.9612 · 702 ft elevation

Read this before you act on anything below. This is my researched starting point for Okmulgee County, OK, 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 rulesOkmulgee County, OK

Zoning & raw-land occupancy

Varies locallyNo confirmed countywide zoning ordinance in unincorporated Okmulgee County; incorporated cities like Okmulgee set and enforce their own zoning districts and maps through their Community Development departments. source

Dwellings, tiny homes & RVs

Unclear - verifyNo official Okmulgee County rule on tiny homes, manufactured housing, or RVs was found; this is handled by individual towns, so check with the specific municipality's building or planning department.

Building permits & codes

Varies locallyThe City of Okmulgee has an adopted building code enforced by its Building Official, built on Oklahoma Uniform Building Code Commission (OUBCC) baseline amendments; no equivalent countywide code exists for unincorporated land. source

Septic & composting toilets

RestrictedOklahoma DEQ governs all individual on-site sewage systems statewide, including Okmulgee County, under its Chapter 641 rules, requiring a Report for On-Site Sewage and soil testing by a DEQ-certified profiler. source

Greywater reuse

Generally allowedNo county or municipal ordinance restricting greywater reuse was found; the statewide allowance for small-scale reuse applies.

Rainwater harvesting

Generally allowedNo Okmulgee County-specific rainwater ordinance was found; state law permitting non-potable rooftop collection applies.

Private wells & water rights

Generally allowedPrivate wells are administered through Oklahoma DEQ's well evaluation program and state groundwater law; no separate Okmulgee County well ordinance was found. source

Living disconnected from utilities

Varies locallyNo countywide rule mandates grid or utility hookup for occupancy in unincorporated Okmulgee County, but incorporated cities may impose their own connection requirements through municipal code.

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): 3.9 hrs/day
Yearly output per 1 kW of panels: 1,478 kWh

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Weather1991-2020

Precipitation: 44 in/yr
Snowfall: 5 in/yr
Heating degree days: 3,535 (moderate)
Frost-free season: Apr 4 to Oct 30

How far help isstraight-line

Hospital Hillcrest Hospital Henryetta: 12.6 mi
Fire station Central Fire Station: 0.8 mi
Hardware store Harbor Freight Tools: 0.9 mi
Grocery Walmart Supercenter: 0.7 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 74447).

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.