Zoning, building permits and septic rules in Aux Sable Township, Illinois

Rules another office applies inside Aux Sable Township

Aux Sable Township 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

  Private sewage disposal systems serving an owner's personal single-family residence within Aux Sable Township.

  • The exception concerns septic-system installation and/or service, not a general exemption from County building requirements.
  • All other private systems must be installed by a valid Illinois private sewage disposal system installation contractor.

  “a homeowner may install and/or service a private sewage disposal system which services his own personal single-family residence.”

• Building code adoptedAdopted (with conditions)

  County-regulated construction within Aux Sable Township; incorporated places and other jurisdictions may administer separate codes.

  • The County code adopts the 2021 International Codes with amendments.
  • The Illinois State Plumbing Code applies to plumbing work; fire matters are governed by the code enforced by the fire department having jurisdiction.

  building code edition: 2021 International Codes with Amendments

  “Building Code: 2021 International Codes with Amendments.”

• Zoning districtsPublished (with conditions)

  County-zoned land within Aux Sable Township; the applicable district must be confirmed from the official County zoning map and jurisdictional boundaries.

  • Published County districts are A, AR, PR, R, CG, CI, and I.
  • This source does not establish that every parcel inside the Township is County-zoned.

  “A - Agricultural. AR - Agricultural residential.”

• Who permits septicCounty (with conditions)

  Private sewage disposal systems within Aux Sable Township.

  • For a surface-discharge septic system designed to accommodate more than 15 persons, an Illinois EPA permit is also required.

  “obtained from the county health department.”

• Septic permitRequired

  Construction or alteration of a private sewage disposal system within Aux Sable Township.

  • Application must include plans, specifications, lot layout, and information required by the County health department or other lawful authority.
  • A septic and/or well application must be approved before a permit may issue unless a municipal system is available.
  • Permits expire one year after issuance unless the environmental health director grants an extension.
  • A state EPA permit is required for a surface-discharge system designed for more than 15 persons.

  permit expiration: 1 year from issuance (Written extension request must be directed to the environmental health director before expiration.) · surface-discharge system capacity threshold: > 15 persons (State EPA permit required where effluent is discharged to the surface.)

  “No private sewage disposal system shall be constructed or altered unless a permit”

• Septic inspectionRequired

  Installation of private sewage disposal systems within Aux Sable Township.

  • Applicant must contact the Health Department 48 hours before installation to schedule the inspection.

  notice before installation: >= 48 hours

  “Contact the Health Department to schedule an appointment 48 hours prior to the PSD system installation/ well drill in order to schedule an inspection.”

• Off-grid sanitationLimited

  New single-family residences using a private sewage disposal system within Aux Sable Township.

  • A new residence must use its own adjacent, owner-owned sewage disposal system unless connected to County, municipal, licensed-public-utility, or approved-cluster public sewer facilities.
  • Construction or alteration requires a County health-department permit.

  “Each single-family residence constructed after the effective date hereof shall have its own sewage disposal system”

• Well permitRequired

  Private water-well installation within Aux Sable Township.

  • A septic and/or well application must be approved before a permit can issue unless a municipal system is available.
  • The Health Department guide instructs applicants to schedule an inspection 48 hours before the well drill.

  “A septic system and/or well permit application (unless a municipal system is available) must be approved before a permit may be issued.”

• Agricultural exemptionAvailable (with conditions)

  Farm residences and agricultural buildings or structures subject to County building regulations within Aux Sable Township.

  • The property must be a farm in fact and not in name only.
  • The use must be limited to uses defined as agricultural in 55 Illinois Compiled Statutes 5/5-12001.

  “Exempt from the provisions of this title, as provided by State Statute, are farm residences and other buildings and structures used for agricultural purposes on farms.”

• Permit processPartial

  County private-sewage and private-well permit process within Aux Sable Township.

  • Application includes plans, specifications, lot layout, and other required information.
  • Septic-system applications require a fully dimensioned plat showing specified existing and proposed features.
  • Application approval is required before a permit can issue, unless a municipal system is available.

  “The permit application shall contain plans, specifications, lot layout and such further information or documents as the county health department or other lawful authority may require to ensure compliance with the requirements set forth herein. False information shall be deemed a violation of this chapter.”

Still unanswered

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

• Building permit — New residential construction inside Aux Sable Township.
• Inspections — Building inspections inside Aux Sable Township.
• Certificate of occupancy — Occupancy of new residential construction inside Aux Sable Township.
• Local zoning — Land inside Aux Sable Township.
• Minimum dwelling size — Single-family dwellings inside Aux Sable 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.