Bolthole Index

Williams County, North Dakota

Zoning, building permits and septic rules in Twelve Mile Township, North Dakota

Twelve Mile Township is a township in Williams County, North Dakota. Septic permits inside Twelve Mile Township come from Twelve Mile Township. 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 Williams County page.

Answers from the rulebook for Twelve Mile Township

Rules another office applies inside Twelve Mile Township

Twelve Mile Township 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

    Construction, enlargement, alteration, repair, moving, demolition, or occupancy change of a building or structure inside Twelve Mile Township under Williams County's permitting administration.

    • A permit is also required before grading or drainage work.
    • The permit is issued only after permit fees are paid and review verifies that the project meets the minimum requirements of Williams County ordinances and the North Dakota State Building Code.
    • The county development guide says some townships require a separate township application; it directs applicants to contact the township to determine whether one is required.
    “A building permit is required before an individual intends to construct, enlarge, alter, repair, move, demolish, or change the occupancy of a building or structure.”
  • Local zoningPresent (with conditions)

    Land inside Twelve Mile Township, Williams County, where Williams County administers the zoning ordinance.

    • The county zoning regulations apply to townships that have not adopted zoning under NDCC Section 58-03-11 or that formally relinquished zoning authority to the county under NDCC Section 11-33-20.
    • A Williams County commission action for a proposed dwelling in Twelve Mile Township required adherence to the county zoning ordinance and subdivision regulations and a site plan.
    “Moved by Ramberg, seconded by Anderson approval with staff comments located in the N2N2SWSW Section 15 T154 R99 Twelve Mile Township with two conditions to adhere to 2015 Zoning Ordinance and Subdivision Regulations and provide a site plan for the proposed dwelling.”
  • Who permits septicLocal (with conditions)

    Onsite septic systems inside Twelve Mile Township, which is within Williams County.

    • The Upper Missouri District Health Unit has authority to permit septic systems and license installers in Williams County.
    • Before beginning work on a system, installers must secure a permit from their local public health unit.
    • The North Dakota Department of Environmental Quality oversees installer licensing.
    “The Upper Missouri District Health Unit is the agency with authority to permit septic systems and license installers in the four counties of Divide, McKenzie, Mountrail and Williams.”

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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