Bolthole Index

Grant County, Wisconsin

Zoning, building permits and septic rules in Town of Hazel Green, Wisconsin

Town of Hazel Green is a town in Grant County, Wisconsin. 3 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Grant County page.

Answers from the rulebook for Town of Hazel Green

Rules another office applies inside Town of Hazel Green

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

  • Septic permitRequired

    Installation of a private onsite wastewater treatment system inside Hazel Green town.

    • A Wisconsin licensed Master Plumber or Master Restricted Sewer Plumber must install the POWTS.
    • All applicable state and/or county permits must issue before installation.
    • For systems other than a one- or two-family residential in-ground gravity-distribution system, the process says septic plans and a plan-review fee must be sent to the state for review and approval.
    “all state and/or county permits must be issued before the powts can be installed.”
  • Well permitRequired

    Construction of a new private well inside Hazel Green town.

    • The advance-notice requirement excludes high-capacity wells, reconstruction of existing wells, and wells on Native American property.
    • High-capacity wells or other wells requiring written DNR approval follow the notification requirements in that approval.
    • A property owner may drive or drill a well on their own property, but a notification number remains required before construction.

    Well Construction Notification fee: 50.5 USD (The fee and notification number are not refundable or transferable.)

    “obtain a well construction notification number prior to constructing a well. this applies to both drilled wells and driven point wells.”
  • Permit processPartial

    The private onsite wastewater permit process for land inside Hazel Green town.

    • The opened process addresses POWTS rather than general building permits.
    • The application must include a form signed and dated by a Master Plumber, system plans, soil evaluation, and permit fee.
    “submit an application form signed and dated by a master plumber along with the system plans, soil evaluation, and permit fee.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Town of Hazel Green or Grant County directly.

  • Building permit — Residential building construction inside Hazel Green town.
  • Owner-builder exemption — Owner-built residential work inside Hazel Green town.
  • Building code adopted — Building-code adoption for land inside Hazel Green town.
  • Inspections — Residential building inspections inside Hazel Green town.
  • Certificate of occupancy — Residential occupancy inside Hazel Green town.
21 more unanswered
  • Local zoning
  • Zoning districts
  • Minimum dwelling size
  • Minimum lot size
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Septic inspection
  • Off-grid sanitation
  • Mandatory utility hookup
  • Agricultural exemption
  • Subdividing land
  • Driveway access
  • Building in a floodplain
  • Short-term rentals
  • Permit fees

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 Hazel Green publishes no rule on the point, not that none exists. Grant County’s page lists the county offices to call.

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