Saline County, Illinois
Mountain Township is a township in Saline County, Illinois. Septic permits inside Mountain Township come from the county and state together. 3 rules below are quoted from official sources and independently re-checked, most recently on October 30, 2026. Rules for unincorporated land are on the Saline County page.
Mountain Township 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 Mountain township, Saline County, IL: state standards plus local health district permitting.
“the illinois department of public health (idph) regulates the installation of all private sewage disposal systems that have no surface discharge (such as septic tanks and seepage fields)”
New or renovated private sewage (septic) systems on land inside Mountain township, Saline County, IL, under the Egyptian Health Department environmental health program (the program page lists Saline County among its counties).
“any new or renovated system must be installed by a licensed contractor or the homeowner and permitted through ehd.”
New or renovated private sewage (septic) systems on land inside Mountain township, Saline County, IL, under the Egyptian Health Department environmental health program.
“once reviewed and approved, a permit is issued and an inspection of the system is conducted during and after construction.”
We looked and could not find an official answer yet. Silence is not permission; ask Mountain Township or Saline 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 Mountain Township publishes no rule on the point, not that none exists. Saline County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Mountain Township means bringing your own water and power. The kit we’d start with:
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