Off-grid site report
Winkler County, TX
31.8550, -103.0791 · 2,877 ft elevationRead this before you act on anything below. This is my researched starting point for Winkler County, TX, 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 rulesWinkler County, TX
Zoning & raw-land occupancy
Unclear - verifyTexas counties generally lack broad zoning power outside city limits, and no Winkler County zoning ordinance was found; not confirmed either way by the county itself. source
Dwellings, tiny homes & RVs
Unclear - verifyNo official Winkler County page addresses minimum dwelling size, tiny homes, or RV occupancy; county has only narrow state-granted authority here that may or may not have been used. source
Building permits & codes
Varies locallyWinkler County does issue construction permits per its own Permits page, but which codes and thresholds apply were not confirmed from the public page. source
Septic & composting toilets
Generally allowedSeptic (OSSF) systems statewide are permitted and regulated under Texas Health and Safety Code Chapter 366 and 30 TAC Chapter 285 via TCEQ; whether Winkler County is a TCEQ-authorized local agent or applicants go through the TCEQ regional office is not confirmed. source
Greywater reuse
Unclear - verifyNo standalone Winkler County or separate state greywater program was found; greywater appears folded into the OSSF/septic rules administered by TCEQ. source
Rainwater harvesting
Generally allowedRainwater harvesting appears permitted under the general state framework, with no Winkler County restriction found.
Private wells & water rights
Unclear - verifyNo groundwater conservation district was found covering Winkler County, which would mean wells fall under Texas's default rule of capture, but this should be verified against the Texas Water Development Board's district directory. source
Living disconnected from utilities
Unclear - verifyNo Winkler County ordinance mandating utility hookup was found; any such rule would likely come from a city (Kermit or Wink) rather than the county, and none was located.
Sun30-year normals
- Peak-sun hours, annual average
- 6.5 hrs/day
- Worst month (sizes an off-grid array)
- 5.4 hrs/day
- Yearly output per 1 kW of panels
- 1,806 kWh
JFMAMJJASOND
Weather1991-2020
- Precipitation
- 15 in/yr
- Heating degree days
- 2,592 (mild)
How far help isstraight-line
- Hospital
Winkler County Memorial Hospital - 0.8 mi
- Fire station
Kermit Volunteer Fire Department - 1.1 mi
- Hardware store
Builder's Supply (Store) - 0.7 mi
- Grocery
Lowe's Market - 0.8 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 79745).
Size a solar systemHeat loss & insulationFirewood per winterRainwater harvestGarden sizePanel tilt
Looking at a specific parcel in Winkler County, TX?The rules above are the jurisdiction. The land check runs the parcel itself: flood zone, soils and septic suitability, wetlands, slope, access, climate, and these verdicts, from a parcel number or coordinates.
Check a parcel →Share or save this report:New report
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 21, 2026; agencies update their layers on their own schedules. Planning data, not a survey or legal advice.
New here, or not sure where this fits? Start here walks through the whole thing in order.