St. Clair County, Illinois
New Athens Township is a township in St. Clair County, Illinois. Septic permits inside New Athens Township come from St. Clair County (St. Clair County Health Department – Water & Private Sewage · 618-233-7769). 6 rules below are quoted from official sources and independently re-checked, most recently on October 30, 2026. Rules for unincorporated land are on the St. Clair County page.
New Athens Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Land in the unincorporated part of New Athens township (outside the village of New Athens and outside Scott Air Force Base): St. Clair County Chapter 40 zoning applies unless the township has adopted its own zoning ordinance, which was not located
“it is hereby declared that the provisions of this code shall apply to all unzone municipalities and to all properties in the unincorporated part of st. clair county as provided herein, except those properties occupied by scott air force base.”
Private sewage (septic) systems on land inside New Athens township, administered by the St. Clair County Health Department
“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”
New or altered private sewage disposal systems for homes inside New Athens township
“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 stating the name of such person for which the specific construction, alteration or extension is proposed.”
Subdivision of land for home sites inside New Athens township, as to septic and soil review by the county health department
“the health department shall require persons who subdivide property to furnish information on forms provided by the health department concerning soil absorption capacities”
County Building and Zoning Department fees for land in the unincorporated part of New Athens township (only a zoning compliance letter fee was read)
zoning compliance letter fee: 30 USD
“zoning compliance letters will have a fee of $30.00.”
County Building and Zoning permit process for the unincorporated part of New Athens township
“you may contact the office at 277-6600 ext. 2531.”
We looked and could not find an official answer yet. Silence is not permission; ask New Athens Township 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 New Athens Township 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 New Athens Township means bringing your own water and power. The kit we’d start with:
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