Off-grid site report
Buena Vista County, IA
42.6634, -95.2001 · 1,408 ft elevationRead this before you act on anything below. This is my researched starting point for Buena Vista County, IA, 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 rulesBuena Vista County, IA
Zoning & raw-land occupancy
RestrictedBuena Vista County has had countywide zoning since 1966, administered by the Board of Supervisors and Zoning Administrator, with seven zoning districts. A zoning compliance permit is required before building outside city limits. source
Dwellings, tiny homes & RVs
RestrictedAgricultural buildings are exempt from many zoning requirements under Iowa Code, but non-farm dwellings need review. RV/tiny-home occupancy restrictions were mentioned in a non-official source and are not confirmed; check the county's ordinance PDF or call the Zoning Administrator. source
Building permits & codes
Unclear - verifyThe county's official page only describes a zoning compliance permit process. Whether the county has separately adopted the Iowa State Building Code is not confirmed; ask the Zoning Administrator. source
Septic & composting toilets
Generally allowedThe county Environmental Health Department issues septic permits, with system sizing based on state code factors like soil type and bedroom count, in partnership with Iowa DNR. source
Greywater reuse
Unclear - verifyNo county or state page specifically addresses residential greywater reuse for this county. It likely falls under the same private sewage framework, but confirm directly with the county sanitarian.
Rainwater harvesting
Unclear - verifyNo county or state rule on residential rainwater catchment was found specific to Buena Vista County. Confirm with county zoning or environmental health if a catchment structure might need a permit.
Private wells & water rights
Generally allowedThe county Environmental Health Department issues private well permits, doing inspections, surveys, and testing in partnership with Iowa DNR's well testing and rehabilitation program. source
Living disconnected from utilities
Varies locallyNo ordinance bans off-grid, disconnected living outright, but any occupied structure still needs the county's zoning compliance permit and applicable septic/well permits through Environmental Health. source
Sun30-year normals
- Peak-sun hours, annual average
- 4.7 hrs/day
- Worst month (sizes an off-grid array)
- 3.1 hrs/day
- Yearly output per 1 kW of panels
- 1,370 kWh
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Weather1991-2020
- Precipitation
- 35 in/yr
- Snowfall
- 36 in/yr
- Heating degree days
- 7,272 (cold)
- Frost-free season
- Apr 23 to Oct 9
How far help isstraight-line
- Hospital
Buena Vista Regional Medical Center - 1.7 mi
- Fire station
Storm Lake City Fire Department - 1.1 mi
- Hardware store
- none within range
- Grocery
Walmart Supercenter - 0.2 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 50588).
Size a solar systemHeat loss & insulationFirewood per winterRainwater harvestGarden sizePanel tilt
Looking at a specific parcel in Buena Vista County, IA?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 22, 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.