Off-grid site report
La Crosse County, WI
43.8123, -91.2514 · 689 ft elevationRead this before you act on anything below. This is my researched starting point for La Crosse County, WI, 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 rulesLa Crosse County, WI
Zoning & raw-land occupancy
RestrictedLa Crosse County runs full countywide zoning (Chapter 17) for unincorporated towns except Campbell and Burns Townships, and cities like La Crosse and Onalaska have their own separate codes. Even small structures need a zoning/occupancy permit from the county, so check with the county Zoning, Planning & Land Information Department (or your town/city if incorporated) before you build or occupy raw land. source
Dwellings, tiny homes & RVs
Varies locallyRVs and campers are only an authorized use in the county's Recreational and Natural Resource District, while a small 'camping cabin' (400 sq ft or less, yurts included) is defined separately from RVs and mobile/manufactured homes. Regular dwellings otherwise fall under the statewide Uniform Dwelling Code, so what's allowed depends heavily on the zoning district and, in Campbell/Burns Townships or incorporated cities, on their own separate rules. source
Building permits & codes
Generally allowedA county Zoning Occupancy (ZO) permit is required for most construction, with a small exemption for accessory structures 100 sq ft or less outside floodplain/shoreland areas. Actual Uniform Dwelling Code inspection is usually handled at the town level (the Town of Holland, for example, relies on the county to help process permits before issuing its own zoning permit), and extra permits from County Health, Highway, or Land Conservation may apply, so confirm the full chain with the county Zoning Department and your town. source
Septic & composting toilets
RestrictedSeptic systems (POWTS) fall under the statewide code but are administered locally, with the La Crosse County Health Department as the confirmed point of contact for septic and well questions. Specifics on composting toilets or other non-plumbing sanitation for La Crosse County itself are not confirmed in the research, so ask the Health Department directly before relying on anything other than a conventional system. source
Greywater reuse
Unclear - verifyNo La Crosse County-specific greywater ordinance was found, so the state DSPS plumbing code baseline (subsurface irrigation only, with a permit and licensed installer) likely applies by default. Confirm any local variation with the La Crosse County Health Department before setting up a greywater system.
Rainwater harvesting
Unclear - verifyNo county ordinance or health department guidance on rainwater harvesting was found, so it's reasonable to assume the state baseline applies: outdoor non-potable collection is generally unregulated, while indoor/potable use is restricted by the DSPS plumbing code. Not confirmed at the county level, so check with the county Health Department or Zoning Department if you're planning anything beyond simple outdoor catchment.
Private wells & water rights
Generally allowedPrivate wells are allowed and follow the statewide NR 812 Well Code, with the La Crosse County Health Department actively involved, providing bacteriological sample testing used for permits and encouraging annual testing since private wells aren't routinely regulated like public systems. Testing supplies can be picked up at county Health and Human Services or public library locations, and the Health Department is your go-to for well questions. source
Living disconnected from utilities
Unclear - verifyI couldn't find any La Crosse County ordinance that directly prohibits or addresses disconnecting a legal dwelling from electric, gas, or municipal utilities, so this remains unclear the same way it is at the state level. Worth confirming with the county Zoning Department or your local town/city if you're planning to build fully off-grid, since dwelling standards referenced in the zoning code may touch on plumbing or heating expectations. source
Sun30-year normals
- Peak-sun hours, annual average
- 4.5 hrs/day
- Worst month (sizes an off-grid array)
- 2.9 hrs/day
- Yearly output per 1 kW of panels
- 1,326 kWh
JFMAMJJASOND
Weather1991-2020
- Precipitation
- 35 in/yr
- Heating degree days
- 7,726 (severe)
How far help isstraight-line
- Hospital
Mayo Clinic Health System - Franciscan Healthcare - 0.7 mi
- Fire station
Fire Station No. 3 - 2.0 mi
- Hardware store
Kroner's True Value Hardware - 0.1 mi
- Grocery
People’s Food Co-op - 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 54601).
Size a solar systemHeat loss & insulationFirewood per winterRainwater harvestGarden sizePanel tilt
Looking at a specific parcel in La Crosse County, WI?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.
New here, or not sure where this fits? Start here walks through the whole thing in order.