Oneida County, Wisconsin
Town of Cassian is a town in Oneida County, Wisconsin. Septic permits inside Town of Cassian come from Oneida County. 15 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Oneida County page.
New one- and two-family dwellings inside Cassian town
“All municipalities are required to issue a Uniform Dwelling Code Permit”
New one- and two-family dwellings inside Cassian town (Wisconsin Uniform Dwelling Code)
“2009-004 wisconsin uniform dwelling code 11/10/2009 05/06/2014”
Land divisions inside Cassian town
“LAND DIVISION AND SUBDIVISION CONTROL ORDINANCE”
Placement of driveways and private roads inside Cassian town
“REGULATE THE PLACEMENT OF DRIVEWAYS & PRIVATE ROADS”
Town of Cassian 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 Cassian town outside the lake/river exception areas: county zoning ordinance administered by Oneida County Planning & Zoning, as Cassian's zoning rule unless the town has adopted its own (not located)
“zoning regulations apply in the unincorporated areas of all 20 townships, except those lands in the towns of enterprise, monico, and sugar camp which are greater than 1,000 feet from a lake or 300 feet from a river or stream.”
Recreational vehicles used as a dwelling on land inside Cassian town
consecutive days before rule applies: > 5 days
“all recreational vehicles used as a dwelling for more than five (5) consecutive days shall comply with the following requirements.”
Camping with recreational vehicles on land inside Cassian town
consecutive days before rule applies: > 5 days
“all recreational vehicles used as a dwelling for more than five (5) consecutive days shall comply with the following requirements.”
Private onsite wastewater systems (POWTS) and non-plumbing sanitation systems on land inside Cassian town
“department. the oneida county planning & zoning department.”
Installing, replacing, repairing or modifying a private onsite wastewater system on land inside Cassian town
“every powts shall require a separate application and sanitary permit pursuant to wisconsin statutes 145.19.”
Private onsite wastewater systems inside Cassian town
visual inspection interval: 3 years
“all new and existing powts shall be visually inspected within three years of the date of installation and at least once every three years thereafter.”
Non-plumbing sanitation systems (for example, pit privies and holding systems) on land inside Cassian town
“a county sanitary permit shall be obtained prior to constructing or installing a non-plumbing sanitation system.”
Sanitary permit fees for systems on land inside Cassian town
“the applicant upon filing his application shall pay a fee in accordance with the fee schedule adopted by the county board.”
Sanitary permit process for systems on land inside Cassian town
“a sanitary permit shall be obtained by the property owner, his agent or contractor, in the name of the property owner, prior to the installation, establishment or construction of any structure which requires a powts or non-plumbing sanitation system.”
We looked and could not find an official answer yet. Silence is not permission; ask Town of Cassian or Oneida 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 Cassian publishes no rule on the point, not that none exists. Oneida County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Town of Cassian means bringing your own water and power. The kit we’d start with:
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