Zoning, building permits and septic rules in Village of Thompsonville, Illinois

Rules another office applies inside Village of Thompsonville

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

• Building permitRequired

  Permanent structures, additions, manufactured homes and decks permanently affixed to real estate in Franklin County, IL where the county issues permits; for land inside Thompsonville village only if the village has no zoning or city ordinances (the form's example list does not name Thompsonville, and the village's own status was not verified)

  • Form states permits are issued by the Supervisor of Assessments office and must be approved by the county engineer.
  • Portable buildings, portable carports, or portable structures smaller than 12 x 14 do not require a permit per the form.
  • Whether Thompsonville village has its own zoning or ordinances was not established; if it does, the county form does not apply inside the village limits.
  • Form footer dated 04/07/17; a third-party guide cited in search results is not relied on.

  permit fee: 50 USD (flat fee payable to the Franklin County Supervisor of Assessments per the county form)

  “building permits are required for: • any property located within the city limits of a city, town or village that does not have any type of zoning or city ordinances”

• Minimum lot sizeSpecified

  Residential lots that require a private sewage disposal system in Franklin County, IL, including such lots inside Thompsonville village (this is a sewage-code subdivision limit, not a village zoning district standard)

  • Excludes road easements.
  • Health department may require a larger lot where drainage, soil or other conditions cause health or nuisance problems.
  • Lots platted before the ordinance may receive a variance under the chapter's conditions.
  • Chapter 151 lot standard referenced in the text is not opened.

  minimum lot size, residential structure on private sewage system: >= 1 acre (excluding road easements; larger if health department requires)

  “minimum lot size for a residential structure requiring a private sewage disposal system, shall be one acre in size excluding road easements”

• SetbacksSpecified

  Surface-discharging private sewage systems in Franklin County, IL, including inside Thompsonville village (a septic discharge-point distance, not a building setback)

  • Applies only to systems that produce a surface discharge, which may leave the owner's property.
  • Building setbacks from streets or lot lines were not found in opened sources.

  discharge point distance from property lines: >= 50 feet (surface-discharging private sewage systems only)

  “the final discharge point of the private sewage systems that produce a surface discharge must be a minimum distance of 50 feet from property lines”

• Who permits septicCounty (with conditions)

  Individual domestic sewage disposal systems in Franklin County, IL, including land inside Thompsonville village unless the village has adopted its own sewage rule (village rule not found)

  • Applications go to the county board of health or its authorized representative; the health department administers permits and inspections under the chapter.
  • Chapter 50 is the county private sewage disposal chapter (ord. 2006-01, passed 3-28-2006); the code overview states the local legislation is current through Ordinance 2014-09, so later amendments are not ruled out.
  • State private sewage licensing act and state code are referenced in the chapter but were not opened.

  “all applications for permits granted under the provisions of this chapter shall be made to the board of health or its duly authorized representative.”

• Septic permitRequired

  Construction, alteration or extension of individual domestic sewage disposal systems in Franklin County, IL, including land inside Thompsonville village unless the village has its own rule (not found)

  • Permit is issued to a homeowner and/or a state-licensed private sewage disposal installation contractor (50.05(c)).
  • Permit is valid for 12 months from issue (50.05(a)).
  • Board of health may refuse a permit where a sanitary sewer is available (see utility_connection claim).
  • Routine cleaning, replacing septic tank cover, or rodding out inlets/outlets does not require a construction permit (50.05(h)).

  permit validity: 12 months

  “it shall be unlawful for any person to construct, alter or extend individual domestic sewage disposal systems within the county unless he or she holds a valid permit issued by the health department”

• Septic inspectionRequired

  Individual domestic sewage disposal systems in Franklin County, IL, including land inside Thompsonville village unless the village has its own rule (not found)

  • System may not be covered or placed in operation until inspected and written approval is issued by the health department.
  • If backfilled before approval, the health department may give 15 days' notice to uncover (50.06(e)); permit is invalidated if not uncovered (50.06(f)).

  “a private sewage disposal system shall not be covered or placed in operation until the said installation has been inspected and written approval of the said system shall have been issued by the health department.”

• Off-grid sanitationLimited

  Off-grid domestic sewage disposal in Franklin County, IL, including land inside Thompsonville village unless the village has its own rule (not found)

  • Installation requires a health department permit and inspection before operation.
  • Untreated sewage or septic effluent may not be discharged to streams, ditches, the ground surface, sinkholes or abandoned wells (50.06(a)).
  • Surface-discharging systems must meet effluent receiving and discharge-point rules (50.04(f)-(h)).

  “it shall be unlawful to discharge untreated sewage or the effluent from any septic tank directly or indirectly to any stream, ditch, ground surface, sink hole or abandoned well”

• Subdividing landRegulated (with conditions)

  Subdivision of land in Franklin County, IL for lots served by private sewage systems, including such plats inside Thompsonville village unless the village regulates subdivisions itself (village subdivision rule not found)

  • Plat must be submitted to the health department for review within 15 working days.
  • Submittals include proposed plat, covenants, sewer and water availability statements, drainage/easement/well locations, and flood statement.
  • Developer must also satisfy county plat officer and county highway engineer.

  health department plat review period: 15 working days

  “this chapter shall require persons/corporations who subdivide property to furnish information concerning lot sizes”

• Permit feesPublished (with conditions)

  Franklin County building permit fee for county-issued permits, including land inside Thompsonville village only where the county form applies

  • Fee shown on the county form only; septic construction permit fee is set by the board of health and was not published in the opened text.

  building permit fee: 50 USD (flat fee per county form)

  “permits are available from the supervisor of assessments office and require a $50 fee payable to the franklin county supervisor of assessments”

• Permit processPartial

  County-issued building permit process for land inside Thompsonville village only where the county form applies

  • Process steps on the form: application to Supervisor of Assessments; approval by county engineer; separate permit per structure. Plan review timelines and inspection steps not stated.

  “all permits are to be approved by the county engineer each structure must have a separate building permit”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Village of Thompsonville or Franklin County directly.

• Owner-builder exemption — Owner-builder exemption inside Thompsonville village
• Building code adopted — Building code adoption inside Thompsonville village
• Inspections — Building inspections inside Thompsonville village
• Certificate of occupancy — Certificates of occupancy inside Thompsonville village
• Local zoning — Land inside Thompsonville village limits (Franklin County, IL; Cave Township)

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.