Dunn County, Wisconsin
Town of Menomonie is a town in Dunn County, Wisconsin. Septic permits inside Town of Menomonie come from Dunn County (Dunn County Planning & Land Use — Sanitation · 715-231-6520). 14 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 Menomonie does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Residential and agricultural zoning districts that Dunn County Chapter 13 applies inside the Town of Menomonie (R1, R2, R3, SR, IA, PA, GA and others)
“Purpose: To identify those areas where predominately single family residential development has occurred or will likely occur.”
R1 single-family residential district lots inside the Town of Menomonie served by community sewer (same standard in R2, R3 and SR districts)
minimum lot area: >= 10000 square feet (lots served by community sewer) · minimum lot width at highway or building setback line: >= 60 feet (lots served by community sewer)
“Lots served by community sewer shall be a minimum of 10,000 square feet and a minimum of 60 feet wide at the highway or building setback line.”
“Lots not served by community sewer shall be a minimum of one acre excluding road right-of-way and a minimum of 85 feet wide at the highway or building setback line.”
“The minimum lot size for non-farm single / two family residence and non-farm residential cluster shall be one acre in the IA and PA districts.”
Agriculture districts (IA, PA, GA) principal structures inside the Town of Menomonie
side yard setback, principal structure: >= 10 feet (agriculture districts (ia, pa, ga))
“The minimum side yard setback shall be 10 feet for principal structures.”
Residential structures in agriculture districts (IA, PA, GA) inside the Town of Menomonie
maximum height of residential structure: <= 35 feet (agricultural structures exempt with setback increase)
“The maximum height of a residential structure shall be 35 feet”
“The maximum height for principal and accessory structure shall be 35 feet.”
Mobile homes as the single- or two-family dwelling in the R2 residential district inside the Town of Menomonie
“Single/two-family dwelling, excluding mobile homes defined in 101.91(10) Wis. Stats.”
Accessory dwelling units on parcels inside the Town of Menomonie that Chapter 13 allows (R2, R-agricultural and other districts list ADUs as permitted accessory or principal uses under section 13.3.17)
ADUs per lot or parcel: 1 count (no more than one ADU permitted per lot or parcel)
“No more than one ADU is permitted per lot or parcel, provided the Zoning Administrator first approves the proposed ADU as complying with the standards of Section 13.3.17.”
Private onsite wastewater systems in the Town of Menomonie: Dunn County sanitary ordinance applies to all towns in the county.
“Dunn County's Shoreland, Floodplain, Land Division, and Sanitary ordinances apply to all Towns in Dunn County.”
Installing a private onsite wastewater treatment system anywhere in Wisconsin, including land in the Town of Menomonie; the sanitary permit is issued by the local governmental unit (Dunn County per the county ordinance scope).
sanitary permit validity: 2 years (renewable for similar periods) · groundwater fee per sanitary permit: 25 USD (collected by the governmental unit in addition to the sanitary permit fee)
“no person may purchase or install a private on-site wastewater treatment system unless the owner of the property on which the private on-site wastewater treatment system is to be installed holds a valid sanitary permit issued under this section.”
Private onsite wastewater treatment systems installed in the Town of Menomonie; the governmental unit (Dunn County per the county ordinance scope) performs the inspection.
“inspect all private on-site wastewater treatment systems after construction but before backfilling”
Land division of parcels inside the Town of Menomonie
“Dunn County's Shoreland, Floodplain, Land Division, and Sanitary ordinances apply to all Towns in Dunn County.”
Zoning permit process for uses inside the Town of Menomonie under Dunn County zoning
“Zoning Permits are required for uses that are listed as "Permitted Uses" within a zoning district.”
We looked and could not find an official answer yet. Silence is not permission; ask Town of Menomonie 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 Menomonie 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 Menomonie means bringing your own water and power. The kit we’d start with:
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