Jefferson County, Illinois
Farrington Township is a township in Jefferson County, Illinois. Septic permits inside Farrington Township come from the state health agency. 3 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Jefferson County page.
Farrington 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 (septic) system design, installation and approval for land inside Farrington township, where no local rule was found
“The Department shall promulgate and publish and may from time to time amend a private sewage disposal code which shall include minimum standards”
Non-sewer sanitary disposal for buildings in Farrington township where no sewerage system is available
“if such sewerage system is not available then such disposal shall be in compliance with this Act and the private sewage disposal code”
New buildings on land inside Farrington township: connection to a public sewerage system when one is reasonably available
“shall be disposed of by discharging into a sewerage system operated and maintained under permit of the Illinois Environmental Protection Agency, if reasonably available”
We looked and could not find an official answer yet. Silence is not permission; ask Farrington Township or Jefferson 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 Farrington Township publishes no rule on the point, not that none exists. Jefferson County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Farrington Township means bringing your own water and power. The kit we’d start with:
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