Zoning, building permits and septic rules in Waco, Missouri

Rules another office applies inside Waco

Waco 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 inside Waco city limits, subject to the applicable permitting authority.

  • DHSS identifies Jasper County Health Department as the Jasper County local ordinance authority.
  • For an incorporated city, the local authority may defer the permit process to DHSS.
  • DHSS regulations cover single-family residential systems including lagoons and onsite or cluster systems treating domestic wastewater flows of 3,000 gallons per day or less.
  • DNR regulates lagoons serving anything other than single-family residences, surface-water discharges, systems over 3,000 gallons per day, and industrial wastewater.

  “Agency: Jasper County Health Dept. Authority Type: Ordinance. [...] Some cities in Missouri are incorporated and may not fall under the local permitting authority even when an ordinance is in place. If work is being done within one of these incorporated areas, the local permitting authority will defer the permit process back to DHSS.”

• Septic permitRequired

  Installation or repair of most onsite wastewater treatment systems inside Waco city limits.

  • Some single-family residential lots may be exempt.
  • The permitting agency must be determined for the location of the work.
  • Work should not begin until a permit has been issued or an exemption has been confirmed by the appropriate authority.
  • For incorporated cities, the Jasper County authority may defer the process to DHSS.

  “Any person engaged in the construction, installation or renovation of any wastewater treatment system or the owner of the property on which the above is engaged shall obtain an On-site Sewage Treatment System Permit or On-site Sewage Repair Permit from the Jasper County Health Department.”

• Off-grid sanitationAllowed (with conditions)

  Onsite wastewater treatment inside Waco city limits where central sewer service is not available.

  • System type must be appropriate for the site and properly installed, operated, and maintained.
  • A permit is required for most installation or repair work, subject to stated exemptions and the applicable permitting authority.
  • A local authority may impose requirements beyond the state minimum standards.

  “In Missouri, where central sewer service is not available, homeowners and small business owners use various types of onsite wastewater treatment systems (OWTS). An OWTS is a system that uses natural processes and mechanical components to collect, treat and disperse wastewater from single dwellings or other buildings or structures.”

Still unanswered

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

• Building permit — New residential construction inside Waco city limits.
• Owner-builder exemption — Owner-built residences inside Waco city limits.
• Building code adopted — Construction inside Waco city limits.
• Inspections — Building work inside Waco city limits.
• Certificate of occupancy — Occupancy of structures inside Waco city 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.