St. Croix County, Wisconsin
Town of Eau Galle is a town in St. Croix County, Wisconsin. Septic permits inside Town of Eau Galle come from St. Croix County (St. Croix County Community Development Department · 715-386-4680). 12 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.
Buildings within the Town building-code ordinance's scope inside Eau Galle town.
“No person shall alter, build, add onto or alter any building within the scope of this ordinance without first obtaining a building permit for such work from the building inspector.”
Buildings within the scope of Town Building Code Ordinance 2024-01 inside Eau Galle town.
“The Wisconsin Uniform Dwelling Code, Chs. SPS 320-325, and CH 327, and its successors, of the Wisconsin Administrative Code, and all amendments thereto, is adopted and incorporated by reference”
Dwelling and commercial structures needing an occupancy permit inside Eau Galle town.
“An occupancy permit will be issued only after all inspections have been satisfactorily completed”
Single-family dwellings, multiple-family dwellings, and commercial structures inside Eau Galle town.
“No single-family dwelling or multiple family dwelling or commercial structure may be occupied by any person or party until an occupancy permit has been issued.”
Every dwelling subject to the Town building-code ordinance inside Eau Galle town.
minimum dwelling width: >= 24 feet · minimum dwelling length: >= 24 feet
“Every dwelling shall be at least 24 feet in width and 24 feet in length. Attached garages, carports, and open decks shall not be included in the measurements of length and width.”
Lots created through a land division inside Eau Galle town.
“No land shall be divided if any lot created by the land division is smaller than allowed as stated in the Town of Eau Galle Comprehensive Plan.”
Agricultural accessory buildings inside Eau Galle town.
maximum building area: < 1500 square feet (without electricity and plumbing and solely used for livestock or livestock supplies)
“Agriculture accessory buildings less than 1,500 square feet, and without electricity and plumbing, solely used to house livestock and or livestock supplies (feed, bedding, etc.) However, a permit for use and location is required by the Town.”
Land divisions inside Eau Galle town that are subject to the Town Land Division Ordinance.
“The purpose and intent of this Ordinance are to regulate and control the division of land within the limits of the Town of Eau Galle”
Building and site improvements inside Eau Galle town.
building and site improvement threshold: > 5000 USD (Residential, Agriculture, or Business)
“Permits are required for all Building and Site Improvements over $5,000 (Residential/Agriculture or Business)”
Town of Eau Galle 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 the Town of Eau Galle; St. Croix County administers the zoning regulations identified by the Town plan.
“Land use regulations enforced by St. Croix County within the Town can be found in the St. Croix County Code of Ordinances: [...] d) Chapter 15, Zoning”
County zoning districts identified by the Town plan for land inside Eau Galle town.
“Current Zoning Districts a) AG-1 Agricultural District b) AG-2 Agricultural District c) R-1 Residential District d) R-2 Residential District e) C-1 Commercial District f) C-2 Commercial District g) C-3 Commercial District h) I-1 Industrial District i) I-2 Industrial District j) NMO Nonmetallic Mining Overlay k) CON Conservancy District l) PD Planned Development District”
Sanitary regulation inside Eau Galle town.
“Land use regulations enforced by St. Croix County within the Town can be found in the St. Croix County Code of Ordinances: [...] b) Chapter 12, Sanitary”
We looked and could not find an official answer yet. Silence is not permission; ask Town of Eau Galle 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 Eau Galle 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 Eau Galle means bringing your own water and power. The kit we’d start with:
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