Buffalo County, Wisconsin
Town of Nelson is a town in Buffalo County, Wisconsin. Septic permits inside Town of Nelson come from Buffalo County (Buffalo County Zoning Department (POWTS) · (608) 685-6218 Ext. 1). 10 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Buffalo County page.
Town of Nelson does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
New homes and structures intended to serve as sleeping/living quarters inside Nelson town.
“A permit under the UDC is required for new one- and two-family dwelling units. This includes stick-built, modular, and manufactured home installations.”
New one- and two-family dwellings inside Nelson town subject to the Wisconsin UDC.
“The following inspections are required on new one- and two-family dwellings. When ready for inspection, notify the inspector identified on your UDC permit.”
Land inside the Town of Nelson, where Buffalo County publishes an ordinance amending its official zoning district map for the town.
“Ordinance 23-01-01: An Ordinance to Amend the Official Buffalo County Zoning District Map - Town of Nelson”
County zoning districts mapped for land inside Nelson town.
“Click on a Town below to open and download a map. [...] Town of Nelson”
Private onsite wastewater systems for new homes inside Nelson town.
“The Buffalo County Land Resources Director shall be responsible for the administration of this ordinance. The Land Resources Director may delegate responsibilities to personnel employed by the Buffalo County Land Resources Department.”
New homes and sleeping/living-quarter structures inside Nelson town using private wastewater treatment.
“Each POWTS shall require a separate application and sanitary permit.”
New private wells inside Nelson town.
“Wisconsin law requires that a property owner provide advance notice to DNR before construction of any new private well that is not a high capacity well, and advance notice of any heat exchange drillhole construction (geothermal system) that does not require a written DNR approval.”
New-home construction inside Nelson town.
“Site access is a prerequisite when determining if any piece of land is buildable. Prior to receiving an address, a driveway permit must be issued by the appropriate entity.”
Development in designated floodplains inside Nelson town.
“Development is not allowed by the Buffalo County Floodplain Zoning Ordinance. These are fragile areas necessary to avoid flooding of roads and other developed property. A map of the designated floodplains for the Town of Nelson can be found on page 28.”
New-home construction process inside Nelson town.
“The following items are required for the construction of a new home, or any other structure intended to serve as sleeping/living quarters:”
We looked and could not find an official answer yet. Silence is not permission; ask Town of Nelson or Buffalo County directly.
Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.
Unanswered questions are usually a sign that Town of Nelson publishes no rule on the point, not that none exists. Buffalo County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Town of Nelson means bringing your own water and power. The kit we’d start with:
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