Bolthole Index

Coles County, Illinois

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

Village of Lerna is a village in Coles County, Illinois. Septic permits inside Village of Lerna come from Coles County (Coles County Health Department Sewage Program). 3 rules below are quoted from official sources and independently re-checked, most recently on November 2, 2026. Rules for unincorporated land are on the Coles County page.

Answers from the rulebook for Village of Lerna

Rules another office applies inside Village of Lerna

Village of Lerna 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 systems for land inside Lerna village limits, where a public sewer is not available; administered by the Coles County Health Department, which the county states covers all private sewage systems in the county

    • The quoted health department page describes the sewage program in general terms for the county; it does not name Lerna village specifically.
    • Applies only where a private system is used rather than a public sanitary sewer; Lerna village sewer availability was not verified.
    • Lerna village's own sewage rules were not found.
    “the sewage program is responsible for approving plans for all private sewage disposal systems, conducting on site inspections, final inspections, and complaint investigations as they are received.”
  • Septic permitRequired

    Construction, alteration or extension of a private sewage disposal system on land inside Lerna village limits (county-administered permit)

    • Permit is issued by the Coles County Health Department; applications go to the health department.
    • Permit issued only to an Illinois licensed private sewage disposal installation contractor registered in Coles County, or to a homeowner installing their own system.
    • Source is the county health department's November 2023/2024 requirements handout summarizing the county private sewage ordinance; the underlying ordinance text was not opened.
    • Applies to Lerna village only where a private system is used rather than public sewer; not verified.
    “it shall be unlawful for any person to construct, alter, or extend a private sewage disposal system within coles county unless he holds a valid permit issued by the coles county health department”
  • Septic inspectionRequired

    Private sewage disposal system installed inside Lerna village limits (county-administered inspections)

    • Inspection requirement is drawn from the county ordinance as summarized by the health department; the ordinance text was not opened.
    • If any portion of the system is covered before inspection, the owner is required to uncover it, per the same handout.
    • Applies to Lerna village only where a private system is used rather than public sewer; not verified.
    “section 8.4 of the coles county private sewage disposal system ordinance prohibits backfilling any portion of a private sewage disposal system prior to being inspected. if any portion is covered, you will be required to uncover that portion.”

Still unanswered

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

  • Building permit — Building permit for new residential construction inside Lerna village limits
  • Owner-builder exemption — Owner-builder permit exemption inside Lerna village limits
  • Building code adopted — Building code adopted for construction inside Lerna village limits
  • Inspections — Building inspection for residential construction inside Lerna village limits
  • Certificate of occupancy — Certificate of occupancy for new homes inside Lerna village limits
22 more unanswered
  • Local zoning
  • 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
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • 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 Village of Lerna publishes no rule on the point, not that none exists. Coles County’s page lists the county offices to call.

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