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

Rules another office applies inside Lemont Township

Lemont Township 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 septicCounty (with conditions)

  Private sewage disposal (septic) systems on land inside Lemont township in suburban Cook County, administered by Cook County Department of Public Health (CCDPH); applies inside Lemont township because it is not one of the four excepted incorporated villages named on the CCDPH page

  • Exception: CCDPH does not review septic systems in incorporated Barrington Hills, Inverness, Palos Park, or South Barrington, which have their own IDPH-approved septic ordinances per the CCDPH page excerpt in its search summary; none of these is in Lemont township.
  • The CCDPH page does not state whether Village of Lemont incorporated land within the township is handled differently; not verified.

  “CCDPH reviews and approves all private sewage disposal systems throughout Cook County; except in incorporated Barrington Hills, Inverness, Palos Park, and South Barrington, which have their own IDPH-approved septic ordinances.”

• Septic permitRequired

  New or modified private sewage disposal (septic) systems on land inside Lemont township in suburban Cook County

  • CCDPH reviews and approves systems; the review request includes a completed application, plans and a soil report per the CCDPH review-request summary (that process page was not opened and is not cited here).
  • Excludes incorporated Barrington Hills, Inverness, Palos Park and South Barrington.

  “Cook County Building and Zoning requires homeowners and contractors to get CCDPH approval before moving forward with home construction projects involving wells and septic.”

• Well permitRequired

  Water wells constructed, modified or sealed on land inside Lemont township in suburban Cook County

  • The CCDPH wording covers 'private, non-community water wells', closed loop wells and related wells; whether a single-family domestic well falls within that wording was not confirmed.
  • Excludes incorporated Barrington Hills, Inverness, Palos Park and South Barrington.

  “Reviews and approves all private, non-community water wells , closed loop wells, and related wells for construction, modification, or sealing.”

Still unanswered

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

• Building permit — Building permits for new construction inside Lemont township
• Owner-builder exemption — Owner-builder permit exemption for work inside Lemont township
• Building code adopted — Building code adoption for land inside Lemont township
• Inspections — Building inspections for construction inside Lemont township
• Certificate of occupancy — Certificates of occupancy for new homes inside Lemont 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.