Off-grid site report

Ellis County, OK

36.1448, -99.5604 · 2,520 ft elevation

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

Zoning & raw-land occupancy

Unclear - verifyNo official Ellis County zoning ordinance or map was found. Rural Oklahoma counties this size often have no countywide zoning, but that is not confirmed for Ellis County; any zoning would likely be set by individual towns like Arnett or Shattuck. source

Dwellings, tiny homes & RVs

Unclear - verifyNo official county document on tiny homes, minimum dwelling size, or full-time RV living was found. Confirm with the County Clerk's office or the relevant town if inside town limits.

Building permits & codes

Unclear - verifyNo Ellis County building department page was found, so whether the state IRC-based code applies in unincorporated areas is not confirmed. source

Septic & composting toilets

Varies locallySeptic systems are regulated statewide by the Oklahoma DEQ; no Ellis County-specific septic ordinance or fee schedule was found, so confirm with the county health office and DEQ directly. source

Greywater reuse

Generally allowedNo Ellis County greywater rule was found, so the Oklahoma state baseline applies: residential greywater reuse for irrigation is generally allowed without a permit below the state threshold.

Rainwater harvesting

Generally allowedNo county-specific rule was found; the Oklahoma state baseline allows rooftop rainwater collection for non-potable use without a state permit.

Private wells & water rights

Generally allowedThe Oklahoma Water Resources Board exempts domestic-use wells (household, limited livestock and garden irrigation) from water-use permitting, though the well driller must be OWRB-licensed. No county-specific well rule was found on top of this. source

Living disconnected from utilities

Unclear - verifyNo official Ellis County source confirms whether utility hookup is required outside town limits; this is not confirmed and should be checked with the County Clerk's office or relevant town.

Open the full county page with sources →

Sun30-year normals

Peak-sun hours, annual average: 5.8 hrs/day
Worst month (sizes an off-grid array): 4.8 hrs/day
Yearly output per 1 kW of panels: 1,653 kWh

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Weather1991-2020

Precipitation: 26 in/yr
Snowfall: 10 in/yr
Heating degree days: 4,606 (moderate)
Frost-free season: Apr 14 to Oct 24

How far help isstraight-line

Hospital Newman Memorial Hospital: 19.9 mi
Fire station Camargo Fire Department: 17.5 mi
Hardware store Harbor Freight Tools: 21.8 mi
Grocery R and R Grocery: 11.8 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 73832).

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.