Zoning, building permits and septic rules in Williamson, Iowa

Rules another office applies inside Williamson

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

• Who permits septicMixed (with conditions)

  Private sewage disposal systems installed or altered inside Williamson city, Lucas County, Iowa; the state rule is administered by the department and the local board of health

  • The state chapter defines the administrative authority as the department and the local board of health.
  • The local board of health for Lucas County is served through ADLM Counties Environmental Public Health (see the health-district claim).

  “"administrative authority" means the department and the local board of health as authorized by iowa code section 455b.172 and iowa code chapter 137.”

  One more reviewed finding on this topic

  • Local (with conditions) — Septic and well environmental health services for Lucas County, including Williamson city, Iowa

    “lucas county is part of adlm counties environmental public health.”

• Septic permitRequired

  Installing or altering a private sewage disposal system inside Williamson city, Lucas County, Iowa; the permit is issued by the administrative authority (local board of health)

  • Applies to systems installed or altered as described in 567-69.1(3)c; the permit is issued by the administrative authority.

  “69.1(4) construction permit required. no private sewage disposal system shall be installed or altered as described in paragraph 69.1(3)"c" unless a construction permit issued by the administrative authority has been obtained.”

• Off-grid sanitationLimited

  Private sewage disposal where no publicly owned treatment works is available, inside Williamson city, Lucas County, Iowa

  • Each building must have an approved private sewage disposal system, installed under a construction permit issued by the administrative authority.
  • Discharge of wastewater from private systems is restricted under the state chapter.

  “when a potw is not available, every building wherein persons reside, congregate, or are employed shall be provided with an approved private sewage disposal system.”

• Mandatory utility hookupConditional

  A new home inside Williamson city, Lucas County, Iowa: connection to a publicly owned treatment works (sewer) depends on availability within 200 feet or a local ordinance

  • Connection is required only when a publicly owned treatment works (POTW) is available within 200 feet, or a local ordinance requires connection; availability is determined by the administrative authority.
  • Whether Williamson city operates a sewer system was not established.
  • Water connection rules for Williamson city were not located.

  POTW availability distance: <= 200 feet (a local ordinance requiring connection overrides the distance test)

  “the potw may be considered as unavailable when such potw, or any building or any exterior drainage facility connected thereto, is located more than 200 feet from any proposed building or exterior drainage facility on any lot or premises which abuts and is served by such potw.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Williamson or Lucas County directly.

• Building permit — Building permits for new homes inside Williamson city, Lucas County, Iowa
• Owner-builder exemption — Owner-builder exemption inside Williamson city, Lucas County, Iowa
• Building code adopted — Building code adoption inside Williamson city, Lucas County, Iowa
• Inspections — Building inspections inside Williamson city, Lucas County, Iowa
• Certificate of occupancy — Certificate of occupancy inside Williamson city, Lucas County, Iowa

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.