Off-grid site report
Hyde County, SD
44.6782, -99.4925 · 1,713 ft elevationRead this before you act on anything below. This is my researched starting point for Hyde County, SD, 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 rulesHyde County, SD
Zoning & raw-land occupancy
Unclear - verifySouth Dakota law (SDCL 11-2) lets counties adopt zoning, but it's optional. Whether Hyde County has adopted a zoning ordinance is not confirmed from any official source; ask the County Commission or Auditor directly. source
Dwellings, tiny homes & RVs
Unclear - verifyNo Hyde County ordinance on tiny homes, RV living, or minimum dwelling size was found. This would fall under county zoning authority, which is itself unconfirmed for Hyde County.
Building permits & codes
Unclear - verifySouth Dakota has no mandatory statewide residential building code, and many small rural counties don't enforce a local one. Whether Hyde County requires building permits is not confirmed; call the Auditor's office. source
Septic & composting toilets
Generally allowedSeptic systems statewide, including in unincorporated counties, are regulated by the South Dakota Department of Agriculture and Natural Resources (DANR), with a minimum lot size for water-carriage systems set by state rule. Local administration point in Hyde County is unconfirmed. source
Greywater reuse
Unclear - verifyNo state statute or Hyde County rule addressing greywater reuse was found. Ask DANR or the county directly before setting up a system.
Rainwater harvesting
Unclear - verifyNo specific South Dakota statute or Hyde County rule on rainwater harvesting was found, though state water rights law requires a permit for most non-domestic water uses, which could matter for larger catchment systems. source
Private wells & water rights
Generally allowedWells statewide fall under DANR's Water Rights Program: generally a licensed driller is required, wells must meet state construction standards, and a water right permit may be needed depending on use before drilling starts. source
Living disconnected from utilities
Generally allowedNo South Dakota law bans living off the grid. Electrical work still requires a permit through the South Dakota Electrical Commission regardless of grid connection; any Hyde County occupancy tie-in to utilities is unconfirmed.
Sun30-year normals
- Peak-sun hours, annual average
- 5.0 hrs/day
- Worst month (sizes an off-grid array)
- 2.7 hrs/day
- Yearly output per 1 kW of panels
- 1,446 kWh
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Weather1991-2020
- Precipitation
- 21 in/yr
- Snowfall
- 37 in/yr
- Heating degree days
- 8,103 (severe)
- Frost-free season
- May 11 to Sep 25
How far help isstraight-line
- Hospital
Avera Hand County Memorial Hospital - 27.0 mi
- Fire station
- none within range
- Hardware store
- none within range
- Grocery
- none within range
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 57345).
Size a solar systemHeat loss & insulationFirewood per winterRainwater harvestGarden sizePanel tilt
Looking at a specific parcel in Hyde County, SD?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.
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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.