Zoning, building permits and septic rules in Logan Township, Illinois

Logan Township’s own rules

• Building code adoptedAdopted (with conditions)

  Unincorporated property inside Logan Township served by Peoria County Planning and Zoning.

  • Peoria County states that it serves unincorporated properties in the county.
  • The County enforces the listed codes; 2021 Illinois Energy Conservation Code update is effective January 1, 2024.

  International Residential Code edition: 2018 · Illinois Energy Conservation Code update effective: 2024-01-01

  “Peoria County Planning and Zoning serves unincorporated properties in Peoria County.”

• InspectionsRequired

  Permitted residential projects on unincorporated property inside Logan Township.

  • All permits require inspection, but the number and type vary by project.
  • Inspectors require at least 24 hours advance notice to schedule an inspection.

  inspection scheduling notice: >= 24 hours

  “All permits will require inspection, although the number and type of inspections vary by project.”

• Zoning districtsPartial

  Documented parcels in Logan Township subject to Peoria County zoning.

  • The source documents A-1 Agricultural Preservation for one Logan Township parcel and identifies surrounding A-1 and A-2 districts; it is not a complete township zoning map or district schedule.

  “The subject parcel is zoned “A-1” Agricultural Preservation.”

• Minimum lot sizeSpecified

  A-1 Agricultural Preservation District parcel in Logan Township.

  • A special use is required when a proposed land split does not meet this minimum lot size.

  minimum lot size: 40 acres (A special use may be sought for a proposed land split below this amount.)

  “WHEREAS, said ordinance requires a Special Use when a proposed land split does not meet the 40-acre minimum lot size in the “A-1” Agricultural Preservation Zoning District;”

• Septic permitRequired

  Construction, repair, or alteration of an onsite wastewater treatment system inside Logan Township.

  • The permit is valid for 12 months from issuance and becomes void if construction has not started within that period.
  • The proposed construction or repair must meet applicable requirements, including an NPDES General Permit for surface-discharging systems when applicable.
  • Before operation, the owner must submit proof of completing approved operation-and-maintenance education.

  permit validity: 12 months (Void if construction is not started during the validity period.)

  “In accordance with the State of Illinois Private Sewage Disposal Code 77 Ill Adm. Code Part 905, it shall be unlawful for any person to construct or repair an onsite wastewater treatment system within Peoria County, unless said person holds a valid permit issued by the Health Authority or its authorized representative.”

• Septic inspectionRequired

  New or repaired onsite wastewater treatment systems inside Logan Township.

  • An installation inspection occurs before backfilling.
  • Final approval is given only after visual inspection finds compliance.
  • A post-flood inspection is required for any system affected by flood waters, with a contractor report due within 60 days.

  post-flood inspection report deadline: <= 60 days (Applies to systems affected by flood waters.)

  “Final approval of any construction or repair required herein shall be given only if, after a visual inspection, the onsite wastewater treatment system is found to comply with the applicable provisions of this Chapter.”

• Off-grid sanitationLimited

  Private onsite wastewater sanitation inside Logan Township.

  • Untreated wastewater and onsite-system effluent cannot be discharged to the listed waters, ground surface, or abandoned wells.
  • Surface discharge of treated effluent is allowed only on property deemed unsuitable for a subsurface system by the Health Authority.

  “No person shall discharge or cause to be discharged untreated wastewater or the effluent from any onsite wastewater treatment system, directly or indirectly, to any stream, ditch, lake, pond, bathing area, ground surface or abandoned well, or maintain or operate an onsite wastewater treatment system in such a manner that it becomes offensive, dangerous or prejudicial to public health.”

• Mandatory utility hookupConditional

  Properties inside Logan Township seeking an onsite wastewater-system permit where sanitary sewer is available.

  • The Health Authority may refuse an onsite-system permit where sanitary sewer is available.
  • A sewer is deemed available if it adjoins or abuts the property or is within a practical, permitted reasonable distance.
  • An onsite system may be installed if a conforming individual sewer connection cannot be made.

  reasonable sewer distance for single-family residence: <= 300 feet · reasonable sewer distance for nonresidential or multifamily dwelling: <= 1000 feet

  “The Health Authority or its authorized representative may refuse to grant a permit for the construction, repair, or alteration of an onsite wastewater treatment system where sanitary sewer system is available. A sanitary sewer shall be deemed available when a sanitary sewer line is in place within any street, alley, right-of-way or easement that adjoins or abuts the property for which the permit is requested, or when the property to be served is located within a reasonable distance of a sanitary sewer system to which connection is practical and is permitted by the controlling authority for the sanitary sewer.”

• Building in a floodplainRequired

  Development within a Special Flood Hazard Area on unincorporated property inside Logan Township.

  • Development includes construction, repair, replacement, building additions, filling, paving, demolition, storage, and clearing of land.
  • A Floodplain Development Permit Application must be submitted to Planning and Zoning.

  “All development within the SFHA requires a floodplain development permit.”

• Permit processPublished (with conditions)

  Building-permit applications for unincorporated property inside Logan Township.

  • An application must be submitted with the rest of required project submittals.
  • Incomplete digital submittals are not sent for plan review.
  • Plans must be reviewed and approved before a permit issues.

  “Plans will then need to be reviewed and approved before a permit can be issued.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Logan Township or Peoria County directly.

• Owner-builder exemption — Owner-builder construction inside Logan Township.
• Local zoning — Land inside Logan Township, Peoria County, Illinois.
• Minimum dwelling size — Single-family dwellings inside Logan Township.
• Setbacks — Structures inside Logan Township.
• Lot coverage — Lots inside Logan 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.