St. Clair County, Illinois
Village of Lenzburg is a village in St. Clair County, Illinois. Septic permits inside Village of Lenzburg come from St. Clair County (St. Clair County Health Department – Water & Private Sewage · 618-233-7769). 7 rules below are quoted from official sources and independently re-checked, most recently on November 2, 2026. Rules for unincorporated land are on the St. Clair County page.
Village of Lenzburg does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Private sewage disposal systems on land inside Lenzburg village that are not connected to a public sewer, under the St. Clair County private sewage code
“it shall be unlawful for any person to construct, alter or extend individual domestic sewage disposal systems within st. clair county unless he/she holds a valid permit issued by the health department”
Constructing, altering or extending a private sewage disposal system on land inside Lenzburg village under the St. Clair County code
“it shall be unlawful for any person to construct, alter or extend individual domestic sewage disposal systems within st. clair county unless he/she holds a valid permit issued by the health department”
Existing private sewage systems on land inside Lenzburg village, under the St. Clair County code
operational inspection fee: 300 USD
“an operational inspection may be conducted on any private sewage disposal system which is part of a sale of property. or for refinancing any time an application for inspection is submitted to the health department.”
Non-sewered sanitation (private sewage system) on land inside Lenzburg village
“private sewage disposal systems constructed prior to the effective date of this code shall be updated to comply with the requirements of this code when malfunction or failure occurs or a permit is required to repair or replace that system.”
A new home on land inside Lenzburg village: septic is barred where public sanitary sewer is available under the county code; village sewer connection rules not verified
sewer availability distance, single-family residence: <= 300 feet (commercial establishments, subdivisions and multi-family dwellings: 1,000 feet)
“a 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 premises for which the permit is requested”
Septic construction permits for land inside Lenzburg village; county health fees only, not village building fees
initial construction permit fee (septic): 300 USD (plus nothing else stated in captured text)
“there shall be a three hundred dollar ($300.00) fee charged for the initial construction permit, alteration or extension of an individual sewage system as approved by the health department.”
Septic permit process for land inside Lenzburg village; the village building permit process was not found
“all applications for permits granted under the provisions of this code shall be made to the health department.”
We looked and could not find an official answer yet. Silence is not permission; ask Village of Lenzburg or St. Clair County directly.
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 Lenzburg publishes no rule on the point, not that none exists. St. Clair County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Village of Lenzburg means bringing your own water and power. The kit we’d start with:
These are affiliate links — we may earn a commission, at no cost to you. As an Amazon Associate, Bolthole Index earns from qualifying purchases.