Off-grid site report

Boone County, IA

41.9487, -93.9041 · 1,001 ft elevation

Read this before you act on anything below. This is my researched starting point for Boone 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 rulesBoone County, IA

Zoning & raw-land occupancy

Varies locallyUnincorporated Boone County is zoned under county Ordinance No. 88 (2008), administered by Planning & Zoning Commission with final say from the Board of Supervisors/Board of Adjustment; Iowa Code Chapter 335 exempts genuine farm structures from this zoning. Non-farm off-grid occupancy needs to fit the zoning district's use table or get a conditional use permit/variance. source

Dwellings, tiny homes & RVs

Unclear - verifyThe county ordinance doesn't clearly address tiny homes or long-term RV occupancy standards; confirm with Planning & Development which use-table entries would apply. source

Building permits & codes

RestrictedBuilding permits are required for residential construction in the unincorporated county through Planning & Development, but the specific adopted building code edition wasn't confirmed in official materials. source

Septic & composting toilets

Generally allowedThe county follows Iowa's Chapter 69 septic standards with no added local restrictions; permits and a percolation test are handled through Health & Sanitation Services, with a required final inspection before covering the system. source

Greywater reuse

Unclear - verifyNo Boone County or Iowa DNR source specifically addresses standalone greywater reuse; ask the Health & Sanitation Department directly since septic rules defer broadly to state Chapter 69.

Rainwater harvesting

Unclear - verifyNo county ordinance or Iowa DNR rule on residential rainwater catchment permitting was found in official sources reviewed.

Private wells & water rights

Generally allowedPrivate wells serving under 25 people or 15 connections need a construction permit issued locally by Boone County Health & Sanitation, following Iowa DNR construction standards and testing requirements. source

Living disconnected from utilities

Varies locallyNo county ordinance prohibits disconnecting from utilities, but any occupied dwelling still must have septic (and well, if used) properly permitted through Health & Sanitation. source

Open the full county page with sources →

Sun30-year normals

Peak-sun hours, annual average: 4.9 hrs/day
Worst month (sizes an off-grid array): 3.2 hrs/day
Yearly output per 1 kW of panels: 1,422 kWh

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Weather1991-2020

Precipitation: 36 in/yr
Snowfall: 32 in/yr
Heating degree days: 6,554 (cold)
Frost-free season: Apr 22 to Oct 10

How far help isstraight-line

Hospital Boone County Hospital: 7.5 mi
Fire station Woodward Fire House: 7.6 mi
Hardware store Ace Hardware: 6.3 mi
Grocery Walmart Supercenter: 6.3 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 50152).

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.