Bolthole Index

Dodge County, Wisconsin

Zoning, building permits and septic rules in Town of Oak Grove, Wisconsin

Town of Oak Grove is a town in Dodge County, Wisconsin. Town of Oak Grove adopts its own zoning, so inside its limits Town of Oak Grove’s rules apply, not the county’s. Septic permits inside Town of Oak Grove come from Dodge County (Dodge County Land Resources and Parks Department - Septic Systems · 920-386-3703). 3 rules below are quoted from official sources and independently re-checked, most recently on November 9, 2026. Rules for unincorporated land are on the Dodge County page.

Answers from the rulebook for Town of Oak Grove

Town of Oak Grove’s own rules

  • Local zoningPresent (with conditions)

    Land inside the Town of Oak Grove, Dodge County, Wisconsin, where the town has adopted Dodge County zoning.

    • Dodge County administers the Land Use Code for towns that adopted County zoning.
    “The townships of Ashippun, Calamus, Elba, Emmet, Fox Lake, Hustisford, Lebanon, Leroy, Lomira, Oak Grove, Rubicon, Shields, Trenton have adopted County Zoning.”

Rules another office applies inside Town of Oak Grove

Town of Oak Grove does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

  • Building permitRequired

    New one- and two-family dwelling units inside Oak Grove town, Dodge County, Wisconsin.

    • Applies to new one- and two-family dwelling units, including stick-built, modular, and manufactured-home installations.
    • Oak Grove town is listed by DSPS as delegated for UDC authority; DSPS directs applicants to contact a delegated municipality directly unless the project is for state-owned building or land.
    “A permit under the UDC is required for new one- and two-family dwelling units. This includes stick-built, modular, and manufactured home installations.”
  • Who permits septicCounty (with conditions)

    Private onsite wastewater treatment systems inside Oak Grove town, Dodge County, Wisconsin.

    • Dodge County Land Resources and Parks administers the sanitary provisions of the Dodge County Land Use Code and Wisconsin Administrative Code chapter SPS 383.
    • All septic systems must be serviced at least once every three years; holding tanks are serviced as needed.
    • The cited page states a $15 county maintenance fee per typical septic-system maintenance cycle and a $10 annual county maintenance fee for holding tanks.

    septic system service interval: per 3 years (All septic systems, regardless of installation date) · county maintenance fee: per 15 USD (Per maintenance cycle for a typical septic system) · holding-tank maintenance fee: per 10 USD (Annual fee)

    “The monitoring of the septic and holding tank systems by the County is required by State law and is not optional.”

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.

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