St. Croix County, Wisconsin
Town of Rush River is a town in St. Croix County, Wisconsin. Septic permits inside Town of Rush River come from St. Croix County (St. Croix County Community Development Department · 715-386-4680). 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 St. Croix County page.
Construction regulated by Rush River town's adopted Wisconsin Uniform Dwelling Code and commercial building-code ordinance.
“Ordinance to adopt the Wisconsin UDC & Commercial Building Codes.”
County zoning districts mapped for land inside Rush River town.
mapped districts: Ag-1, Ag-2, Rural Residential, Residential Conservancy, Commercial, Industrial
“Industrial Rural Residential Commercial Residential Conservancy Ag-1 Ag-2”
Structures in Rush River town under applicable St. Croix County zoning districts and overlays.
“Setback requirements vary depending on the zoning district”
Private sanitary-system permitting inside Rush River town.
“Shoreland, Floodplain, Land Division, Lower St. Croix Riverway Overlay Districts, and Sanitary apply to all townships.”
Land divisions inside Rush River town.
“Ordinance to establish local subdivision regulations in the Town of Rush River”
Development on land inside Rush River town that is within the county Floodplain Overlay District.
“Overlay districts have additional regulations that are likely to apply.”
County land-use, conditional-use, variance, rezoning, setback-waiver, and land-division approvals affecting land inside Rush River town.
“A pre-application meeting with a member of the Land Use staff is highly suggested. [...] Applications are due on the first Monday of the month.”
We looked and could not find an official answer yet. Silence is not permission; ask Town of Rush River or St. Croix 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 Rush River publishes no rule on the point, not that none exists. St. Croix County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Town of Rush River means bringing your own water and power. The kit we’d start with:
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