Portage County, Wisconsin
Town of Carson is a town in Portage County, Wisconsin. Septic permits inside Town of Carson come from Portage County (Portage County Planning & Zoning Department - On-Site Waste (POWTS) · (715) 346-1334). 21 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Portage County page.
Driveways inside the Town of Carson, subject to the road jurisdiction.
“driveway and culvert permits may be required. contact the appropriate agency depending on your location: ▪ town roads – contact the town clerk ▪ county roads - contact the portage county highway department (715) 345-5230.”
Town of Carson 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 Carson that is under Portage County zoning.
“if you live in the towns of alban, almond, amherst, belmont, buena vista, carson, dewey, eau pleine, hull, lanark, linwood, new hope, plover, sharon, and stockton, you will need to secure a zoning permit before proceeding with your project.”
A1 Exclusive Agricultural district land inside the Town of Carson.
minimum floor area: 720 square feet
“a1 exclusive agricultural 35 720 35 acres 200 25 (b) 25 (b) unlimited”
“r2 single family 35 720 20,000 100 10 (b) 25 (b) 2,800 (l)(m)”
A1 Exclusive Agricultural district land inside the Town of Carson.
minimum lot area: 35 acres · minimum lot width: 200 feet
“a1 exclusive agricultural 35 720 35 acres 200 25 (b) 25 (b) unlimited”
“r2 single family 35 720 20,000 100 10 (b) 25 (b) 2,800 (l)(m)”
A1 Exclusive Agricultural district land inside the Town of Carson.
minimum side yard: 25 feet (note (b)) · minimum rear yard: 25 feet (note (b))
“a1 exclusive agricultural 35 720 35 acres 200 25 (b) 25 (b) unlimited”
“r2 single family 35 720 20,000 100 10 (b) 25 (b) 2,800 (l)(m)”
A1 Exclusive Agricultural district land inside the Town of Carson.
maximum height: 35 feet (unless otherwise specified by 7.1.6.1(C))
“a1 exclusive agricultural 35 720 35 acres 200 25 (b) 25 (b) unlimited”
“r2 single family 35 720 20,000 100 10 (b) 25 (b) 2,800 (l)(m)”
Placement of campers on land inside the Town of Carson.
camper zoning permit fee: 50 USD · permit duration: one calendar year (January–December)
“placement of campers in agricultural, conservancy and/or rural limited zoning districts (prohibited in other districts);”
Private onsite wastewater work for homes inside the Town of Carson.
“a sanitary permit is required before a zoning permit can be issued for new homes and additions to homes which increase the number of bedrooms or disrupt the existing building sewer line. a licensed plumber must submit a sanitary permit application to our office for any septic system with running water”
New homes and qualifying home additions inside the Town of Carson using a septic system with running water.
“a sanitary permit is required before a zoning permit can be issued for new homes and additions to homes which increase the number of bedrooms or disrupt the existing building sewer line.”
Short-term rentals or tourist rooming houses inside the Town of Carson using a private onsite wastewater treatment system.
“a private onsite wastewater treatment system may need to be inspected by a licensed individual, depending on the age, prior to the issuance of the zoning permit.”
Non-plumbing sanitation systems, including privies or outhouses, inside the Town of Carson.
“homeowners are allowed to apply for non-plumbing sanitary permits such as privies or outhouses.”
Private well construction inside the Town of Carson.
“private well construction: contact your well installer or the wisconsin department of natural resources (dnr) to obtain a required well notification number and pay the associated fee prior to well construction.”
Farm buildings and structures inside the Town of Carson under Portage County zoning.
“for farm buildings and structures not for human habitation which are not permanently fixed to the ground and are readily removable in their entirety; provided that this regulation shall not apply to roadside stands or permitted signs.”
Structural changes to buildings in floodplain areas inside the Town of Carson under Portage County zoning.
“structural changes to buildings in a floodplain;”
Short-term rentals and tourist rooming houses in Residential, Agricultural, and Neighborhood Commercial districts inside the Town of Carson.
“short-term rentals and tourist rooming houses are a permitted use in the residential, agricultural, and the neighborhood commercial zoning districts in all towns under portage county zoning.”
Portage County zoning permits for projects inside the Town of Carson.
“include fee payment– depends on work being proposed. (see fee schedule)”
Portage County zoning permits for projects inside the Town of Carson.
minimum application lead time: >= 2 weeks (before intended start of construction)
“return the completed application to our office at least 2 weeks prior to the intended start of construction. construction start includes footings, foundations, basements and slab work.”
We looked and could not find an official answer yet. Silence is not permission; ask Town of Carson or Portage 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 Carson publishes no rule on the point, not that none exists. Portage County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Town of Carson means bringing your own water and power. The kit we’d start with:
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