Zoning, building permits and septic rules in Town of Mount Moriah, Missouri

Rules another office applies inside Town of Mount Moriah

Town of Mount Moriah 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

  Construction, major modification, or major repair of an onsite sewage disposal system inside Mount Moriah town limits.

  • Except as otherwise provided in RSMo 701.031.
  • The person must notify the city, county, or department, complete the department form, submit the fee established by the city, county, or department, and obtain a construction permit.
  • The statute was effective August 28, 2026.

  “Except as otherwise provided in section 701.031, no person may, on or after September 1, 1995, construct or make a major modification or major repair to an on-site sewage disposal system without first notifying the city, county or department and completing an application, upon a form provided by the department, submitting an application fee in the amount established by the city, county or department, and obtaining a construction permit.”

• Septic inspectionRequired

  Permitted construction, modification, or repair of onsite sewage disposal systems inside Mount Moriah town limits.

  • The city, county, or department must inspect in the aggregate up to 60 percent of systems handled by registered contractors and at least 75 percent of systems handled by nonregistered persons.
  • A city, county, or department may accept qualifying registered-contractor certification without onsite inspection.

  registered-contractor inspection share: <= 60 percent (Aggregate share; qualifying contractor certification may be accepted without onsite inspection.) · nonregistered-person inspection share: >= 75 percent (Applies to systems for which notice is given under the cited statutes.)

  “A city, county or the department shall inspect, in the aggregate, up to sixty percent of on-site sewage disposal systems constructed, modified or repaired by contractors registered under sections 701.053 to 701.055 and at least seventy-five percent of on-site sewage disposal systems constructed, modified or repaired by persons not registered under sections 701.053 to 701.055 for which notice of construction, repair or modification is given under sections 701.046 to 701.048 and 701.050.”

• Off-grid sanitationLimited

  Onsite sewage disposal systems serving land inside Mount Moriah town limits.

  • Except as otherwise provided in RSMo 701.031, construction, major modification, or major repair requires notice, application, the applicable fee, and a construction permit.

  “Property owners of all buildings where people live, work or assemble shall provide for the sanitary disposal of all domestic sewage. Except as provided in this section, sewage and waste from such buildings shall be disposed of by discharging into a sewer system regulated pursuant to chapter 644, or shall be disposed of by discharging into an on-site sewage disposal system operated as defined by rules promulgated pursuant to sections 701.025 to 701.059.”

• Permit processPublished (with conditions)

  Onsite sewage disposal-system construction, major modification, or major repair inside Mount Moriah town limits.

  • Except as otherwise provided in RSMo 701.031.
  • The statute requires notification, a department form, the applicable fee, and a construction permit.

  “A construction permit is required before installing or repairing most onsite wastewater treatment systems (OWTS). Some single family residential lots may be exempt from permitting. The first step of the permitting process is to determine the agency that has permitting authority where the work is being done.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Town of Mount Moriah or Harrison County directly.

• Building permit — Residential construction inside Mount Moriah town limits.
• Owner-builder exemption — Owner-built residences inside Mount Moriah town limits.
• Building code adopted — Buildings inside Mount Moriah town limits.
• Inspections — Building work inside Mount Moriah town limits.
• Certificate of occupancy — Occupancy of structures inside Mount Moriah town limits.

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.