Oconto County, Wisconsin
Town of Lena is a town in Oconto County, Wisconsin. Septic permits inside Town of Lena come from Oconto County (Oconto County Zoning Office — Sanitary Department · 920-834-6827). 13 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Oconto County page.
Structures inside Lena town under the Oconto County zoning ordinance.
Class C highway setback: >= 63 feet from center line (Or 30 feet from right-of-way, whichever is greater.) · principal-building sideyard setback: >= 10 feet (Lots of 100 feet or more in width, unless a district establishes another standard.) · rear-yard setback: >= 20 feet
“The setback from Class C highways shall be sixty-three (63) feet from the center line of such highway or 30 feet from the right of way (R.O.W) whichever is greater.”
Recreational vehicles or camping units on parcels inside Lena town under the Oconto County zoning ordinance.
unpermitted consecutive stay: <= 60 days (Longer placement requires annual land-use permit and approved sanitary facility.)
“Such recreation vehicles/camping units shall not remain on a parcel more than 60 consecutive days. Any such vehicle may be left on the land for more than 60 consecutive days provided that an annual land use permit is obtained and an approved sanitary facility is provided.”
Temporary use of a mobile home, motor home, or travel trailer during construction of a permanent structure inside Lena town.
temporary permit duration: <= 1 year (May not be issued or renewed for more than one year.)
“A mobile home, motor home or travel trailer may be used as a temporary use, provided that a sanitary and land use permit has been issued for the permanent use, provided the temporary use permit is not issued or renewed for more than one year.”
Private onsite wastewater systems inside Lena town, administered by Oconto County.
“The Sanitary Department of the Oconto County Zoning office enforces the Oconto County Sanitary Ordinance.”
New private sewage systems serving structures inside Lena town.
“The private sewage system for newly constructed buildings or structures requiring a Reconnection Permit shall be approved, installed, and inspected before the building may be occupied.”
A structure inside Lena town served by a private sewage system when a DNR-approved public sewer becomes available.
connection deadline: <= 1 year (After public sewer approved by the Department of Natural Resources becomes available.)
“When public sewers approved by the Department of Natural Resources become available to the structure or premises served, the private sewage system shall be disconnected within one year and a connection made to the public sewer. Determination of whether sewer is available shall be made by the local sewer service entity.”
Land divisions inside Lena town that create one or more lots, parcels, tracts, or units of ten acres or less.
created lot area threshold: <= 10 acres (Applies where the division creates one or more new lots, parcels, tracts, or units at or below this size.)
“Oconto County does have a Land Division Ordinance in place. The ordinance applies to “any act of division of a lot, parcel, or tract which existed on the effective date of this ordinance by the owner thereof or his agent for the purpose of transfer of ownership or building development where the act of the division creates one or more new lots, parcels, tracts or units, if the lot, parcel, tract or unit being created is equal to or smaller in area than ten (10) acres in size, determined by the right of way.””
Development in flood-hazard areas inside Lena town.
“Any further development in the Town of Lena will comply with the Oconto County Floodplain Floodplain Ordinance.”
Town of Lena does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
New one- and two-family dwelling units inside Lena town.
“A permit under the UDC is required for new one- and two-family dwelling units. This includes stick-built, modular, and manufactured home installations.”
An owner-occupant seeking a UDC erosion-control or construction permit for a dwelling inside Lena town.
“You will leave those areas blank. At Step 5, you will check the box above your electronic signature which states “I vouch that I am or will be an owner-occupant of this dwelling for which I am applying for an erosion control or construction permit without a Dwelling Contractor Certification and have read the cautionary statement regarding contractor responsibility on the reverse side of the last ply of this form.””
New one- and two-family dwelling units, including manufactured-home installations, inside Lena town.
“The program governing one- and two-family dwelling units (including manufactured homes) is also called the UDC program, referring to the Uniform Dwelling Code. Enforces construction standards and inspection procedures including evaluation of building materials.”
New one- and two-family dwelling units inside Lena town.
“The following inspections are required on new one- and two-family dwellings. When ready for inspection, notify the inspector identified on your UDC permit.”
UDC permit applications for qualifying dwellings inside Lena town.
“Regardless of which agency has authority, your application must include:”
We looked and could not find an official answer yet. Silence is not permission; ask Town of Lena or Oconto 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 Lena publishes no rule on the point, not that none exists. Oconto County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Town of Lena means bringing your own water and power. The kit we’d start with:
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