Dunn County, Wisconsin
Town of Sherman is a town in Dunn County, Wisconsin. Septic permits inside Town of Sherman come from Dunn County (Dunn County Planning & Land Use — Sanitation · 715-231-6520). 7 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Dunn County page.
Town of Sherman does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Land inside Sherman town, Dunn County, Wisconsin, where Dunn County Chapter 13 comprehensive zoning applies.
“Dunn County's Chapter 13 Comprehensive Zoning ordinance applies to all towns and unincorporated areas, except the towns of Eau Galle, Elk Mound, New Haven, Rock Creek, Sand Creek, and Springbrook.”
Zoning districts applicable inside Sherman town under Dunn County Chapter 13.
“The Dunn County Land Use Control (Zoning) Division regulates the types of uses which can occur in each zoning district, as well as the specific development standards for each zoning district.”
Private on-site wastewater systems inside Sherman town.
“Dunn County's Shoreland, Floodplain, Land Division, and Sanitary ordinances apply to all Towns in Dunn County.”
A building inside Sherman town that will be served by a private on-site wastewater system (POWTS).
“Prior to issuing a zoning permit for a building to be serviced by a private on-site wastewater system (POWTS), a sanitary permit must be applied for and issued.”
Installation of a private on-site wastewater system inside Sherman town.
“The inspection takes place after the installation is complete, before the system is backfilled.”
Land division inside Sherman town.
“Dunn County's Shoreland, Floodplain, Land Division, and Sanitary ordinances apply to all Towns in Dunn County.”
Sanitary permitting for buildings served by POWTS inside Sherman town.
“The plumber or designer draws up the plans for the proposed POWTS, based on the system chosen and the number of bedrooms planned for the house”
We looked and could not find an official answer yet. Silence is not permission; ask Town of Sherman or Dunn 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 Sherman publishes no rule on the point, not that none exists. Dunn County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Town of Sherman means bringing your own water and power. The kit we’d start with:
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