Off-grid site report
Bureau County, IL
41.2892, -89.3665 · 492 ft elevationRead this before you act on anything below. This is my researched starting point for Bureau County, IL, 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 rulesBureau County, IL
Zoning & raw-land occupancy
Varies locallyBureau County Planning & Zoning handles unincorporated areas plus fourteen small towns without their own zoning ordinance, but nine municipalities (Dalzell, DePue, Ladd, Neponset, Princeton, Seatonville, Spring Valley, Tiskilwa, Walnut) run their own separate zoning ordinances, so rules on raw-land occupancy depend heavily on exactly where the parcel sits. A floodplain overlay ordinance also applies where relevant and is fairly restrictive on development activity. source
Dwellings, tiny homes & RVs
Unclear - verifyThe county confirms any structure needs a building permit regardless of whether it sits on a permanent foundation, so tiny homes without foundations still need permits, but I found no published Bureau County minimum-dwelling-size rule or RV-residency-specific ordinance. Confirm directly with Planning & Zoning for your specific structure type. source
Building permits & codes
Generally allowedBuilding is allowed but requires a permit, administered by Bureau County Planning & Zoning for unincorporated areas (or by the relevant town's own department in the nine municipalities with separate zoning). The department also references applicable commercial building codes and the state Carbon Monoxide Alarm Detection Act. source
Septic & composting toilets
Generally allowedSeptic systems, including composting-style private sewage setups, are permitted and inspected by the Bureau County Health Department under the state's Private Sewage Disposal Code, which the Illinois Department of Public Health administers through local health departments. source
Greywater reuse
Unclear - verifyI found no Bureau County-specific greywater ordinance. It would most likely fall under the general state Private Sewage Disposal Code enforced by the county Health Department, so ask them directly how a greywater system would be classified on your property.
Rainwater harvesting
Unclear - verifyNo official Bureau County or Illinois state page addressing residential rainwater harvesting or cistern rules turned up in the research. Questions about cisterns or cross-connections with wells would likely route to the county Health Department (wells) or Planning & Zoning (structures), so confirm directly with them.
Private wells & water rights
Generally allowedPrivate wells are permitted and inspected by the Bureau County Health Department, which carries out the state's water well permitting program, and a water sample and analysis is typically required for new well approval. source
Living disconnected from utilities
Unclear - verifyNo explicit Bureau County ordinance bans living disconnected from public utilities, but since any habitable structure still needs a building permit and any septic or well setup needs Health Department permits, going off-grid doesn't get you out of those permitting steps. Ask Planning & Zoning specifically whether occupancy standards require utility hookups in your area. source
Sun30-year normals
- Peak-sun hours, annual average
- 4.7 hrs/day
- Worst month (sizes an off-grid array)
- 3.0 hrs/day
- Yearly output per 1 kW of panels
- 1,353 kWh
JFMAMJJASOND
Weather1991-2020
- Precipitation
- 36 in/yr
- Snowfall
- 16 in/yr
- Heating degree days
- 6,212 (cold)
- Frost-free season
- Apr 27 to Oct 11
How far help isstraight-line
- Hospital
OSF Saint Clare Medical Center - 7.1 mi
- Fire station
Princeton Fire Department - 7.8 mi
- Hardware store
Ace Hardware - 8.1 mi
- Grocery
Austin Parker Naturals - 7.6 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 61315).
Size a solar systemHeat loss & insulationFirewood per winterRainwater harvestGarden sizePanel tilt
Looking at a specific parcel in Bureau County, IL?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.