Zoning, building permits and septic rules in Town of Longtown, Missouri

Rules another office applies inside Town of Longtown

Town of Longtown 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)

  Onsite wastewater systems in Missouri, including systems proposed inside Longtown town limits; the responsible permitting agency depends on location and authority type.

  • DHSS describes three authority types: DHSS Onsite Program, Local Authority (contract), and Local Authority via Ordinance.
  • The particular authority for Longtown was not identified on the opened official page.
  • Lagoons serving anything other than a single-family residence are under DNR jurisdiction.

  “DHSS OWTS permitting falls under one of three authority types: DHSS Onsite Program, Local Authority (contract), or Local Authority via Ordinance. The application process varies by permitting authority. Work should not begin until a permit has been issued or an exemption to permitting has been confirmed by the appropriate permitting authority.”

• Septic permitLimited

  Installation or repair of onsite wastewater treatment systems in Missouri, including proposed systems inside Longtown town limits.

  • Applies to most OWTS.
  • Some single-family residential lots may be exempt.
  • The permitting agency must be determined for the location.
  • Work may not begin until a permit is issued or the appropriate permitting authority confirms an exemption.

  “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.”

• Off-grid sanitationLimited

  Use of an onsite wastewater treatment system where a proposed residence inside Longtown is not served by central sewer.

  • A permit is required for most installations or repairs.
  • Some single-family residential lots may be exempt.
  • The applicable permitting authority must be determined for the location.

  “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.”

• Well permitLimited

  Water-well construction inside Longtown town limits when undertaken by a driller or pump installer for compensation.

  • Drillers and pump installers who charge for services must have a permit.
  • Landowners drilling their own well or installing their own pump are exempt from permit requirements but must comply with other rule provisions.

  “Well drillers and pump installers who charge for their services must have a permit to construct a well.”

• Subdividing landRegulated (with conditions)

  Subdivisions inside Longtown town limits where onsite wastewater treatment systems are planned.

  • Applies only where OWTS use is planned.
  • Developers and owners in unapproved developments should contact DNR about residential housing unit requirements.

  “DNR must approve subdivisions, mobile home parks and campgrounds if the use of OWTS is planned. Developers as well as property owners in unapproved developments should contact DNR regarding their residential housing unit requirements.”

• Permit feesPublished (with conditions)

  State OWTS construction, modification, and repair applications, including applicable work inside Longtown town limits.

  • Application fees are temporarily suspended beginning August 28, 2026.
  • The page states the $90 permit fee was removed and DHSS was authorized to set reasonable fees.
  • The actual permitting agency for Longtown has not been identified.

  former statutory permit fee: 90 USD (Removed by the cited statutory change; application fees are temporarily suspended.)

  “Effective August 28, 2026, due to changes to RSMo 701.046, the application fees associated with on-site sewage disposal system construction, modifications, and repairs will be temporarily suspended. 701.046 was changed to take out the $90 permit fee and authorizes the Department of Health and Senior Services to set reasonable fees—effectively placing current fees on hold until the new standards take effect.”

• Permit processPublished (with conditions)

  OWTS permit applications for systems proposed inside Longtown town limits.

  • The first step is determining the agency with permitting authority where work is proposed.
  • Process varies by permitting authority.
  • No work should begin until a permit is issued or an exemption is confirmed.

  “The application process varies by permitting authority.”

Still unanswered

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

• Building permit — Residential building construction inside Longtown town limits.
• Owner-builder exemption — Owner-builders constructing residences inside Longtown town limits.
• Building code adopted — Building-code adoption for construction inside Longtown town limits.
• Inspections — Residential building inspections inside Longtown town limits.
• Certificate of occupancy — Certificates of occupancy for residences inside Longtown 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.