Bolthole Index

Newton County, Missouri

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

Town of Newtonia is a town in Newton County, Missouri. Septic permits inside Town of Newtonia come from the county and state together. 7 rules below are quoted from official sources and independently re-checked, most recently on November 5, 2026. Rules for unincorporated land are on the Newton County page.

Answers from the rulebook for Town of Newtonia

Rules another office applies inside Town of Newtonia

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

  • Owner-builder exemptionConditional

    A property owner inside Newtonia town who installs, modifies, or repairs that owner's on-site sewage disposal system.

    • The owner must comply with RSMo §§ 701.025 to 701.059.
    • The statute separately says an owner need not obtain a permit or contractor registration merely to clean that owner's own on-site sewage disposal system.
    “Nothing in sections 701.053 to 701.055 shall preclude property owners from installing, modifying or repairing their own on-site sewage disposal system”
  • Who permits septicMixed (with conditions)

    On-site wastewater systems inside Newtonia town when central sewer service is not used.

    • For individual septic systems with subsurface soil dispersal serving one single-family residence, an individual lagoon serving no more than one single-family residence, and described systems at or below 3,000 gpd, the responsible authority is DHSS or a local agency, typically the county health department.
    • The source does not identify which local agency administers a particular Newtonia parcel.

    maximum daily flow for described cluster or centralized systems: <= 3000 gpd (Systems must have subsurface soil dispersal under the same common promotional plan within the same operating location.)

    “The Missouri Department of Health and Senior Services (DHSS) or a local agency, typically the county health department, is responsible”
  • Septic permitRequired

    Construction, major modification, or major repair of an on-site sewage disposal system inside Newtonia town.

    • The requirement is subject to the exception in RSMo § 701.031.
    • Before work, the person must notify the city, county, or department; complete the department form; submit the application fee established by the city, county, or department; and obtain a construction permit.
    “no person may, on or after September 1, 1995, construct or make a major modification or major repair”
  • Septic inspectionRequired

    On-site sewage disposal systems inside Newtonia town for which construction, repair, or modification notice is given under the cited state provisions.

    • The city, county, or department must inspect in the aggregate up to 60 percent of systems constructed, modified, or repaired by registered contractors.
    • The city, county, or department must inspect at least 75 percent of systems constructed, modified, or repaired by persons not registered under RSMo §§ 701.053 to 701.055.
    • A registered contractor may provide certification without on-site inspection where RSMo § 701.043(4) applies.

    inspection aggregate for registered-contractor systems: <= 60 percent (Systems for which notice is given under RSMo §§ 701.046 to 701.048 and 701.050.) · inspection aggregate for nonregistered-person systems: >= 75 percent (Systems for which notice is given under RSMo §§ 701.046 to 701.048 and 701.050.)

    “A city, county or the department shall inspect, in the aggregate, up to sixty percent of on-site sewage disposal systems”
  • Off-grid sanitationLimited

    Sanitary disposal of domestic sewage from buildings inside Newtonia town that are not connected to a regulated sewer system.

    • The statutory requirement applies to property owners of buildings where people live, work, or assemble.
    • Sewage and waste must be discharged to a Chapter 644-regulated sewer system or an on-site sewage disposal system operated under the state-rule framework.
    • The statute is subject to its stated exceptions.
    “Property owners of all buildings where people live, work or assemble shall provide for the sanitary disposal of all domestic sewage.”
  • Well permitLimited

    Well installation work inside Newtonia town.

    • A person may construct a well on that person's own or leased property for a permanent single-family residence or farm use without a contractor permit only if the water is not for public use or another residence.
    • An owner performing that exempt work must still comply with construction rules adopted under RSMo §§ 256.600 to 256.640.
    • A primary well or pump installation contractor must obtain a division permit.
    “Nothing in sections 256.600 to 256.640 shall prevent a person who has not obtained a permit pursuant to sections 256.600 to 256.640”
  • Mandatory utility hookupConditional

    A house, building, or facility inside Newtonia town where a qualifying sewage-collection-and-treatment system is available.

    • This is a state authorization, not proof that Newtonia has adopted or is enforcing a connection requirement.
    • The city, town, village, sewer district, public water supply district, municipality, political subdivision, or district must own or operate the available sewer system that provides collection and treatment of sewage.
    “to require the owners of all houses, buildings or other facilities within a municipality, political subdivision or district to connect”

Still unanswered

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

  • Building permit — New residential construction inside Newtonia town limits.
  • Building code adopted — Buildings inside Newtonia town limits.
  • Inspections — Building inspections for structures inside Newtonia town limits.
  • Certificate of occupancy — Residential occupancy inside Newtonia town limits.
  • Local zoning — Land inside Newtonia town limits.
18 more unanswered
  • 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
  • Agricultural exemption
  • Subdividing land
  • Driveway access
  • Building in a floodplain
  • Short-term rentals
  • Permit fees
  • Permit process

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

← All of Newton County: county rules, score and offices