Fayette County, Illinois
Avena Township is a township in Fayette County, Illinois. Septic permits inside Avena Township come from the county and state together. 5 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Fayette County page.
Avena 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 serving land inside Avena Township; Fayette County Health Department serves Fayette County citizens.
“regulates the installation [...] local health agencies in Illinois [...] also review sewage disposal system construction plans”
Installation of a private sewage disposal system inside Avena Township.
application fee: 75 USD (Private sewage disposal system plan-review application) · pre-installation notification: 48 hours (Notification to the Division of Environmental Health before installation)
“Before a private sewage disposal system can be installed, a Private Sewage Disposal System Plan Review Application and a $75.00 application fee must be submitted. If the proposed system meets the requirements of the Illinois Department of Public Health Private Sewage Disposal Licensing Act and Code, the applicant will be granted a permit. It is then the responsibility of the applicant to give a 48-hour notification to the Division of Environmental Health before installation.”
Private sewage disposal systems, including systems serving land inside Avena Township.
surface-discharge volume: <= 1500 gallons per day (Treated effluent discharged to ground surface)
“review and approve plans [...] before construction”
Private sewage disposal system plan-review applications inside Avena Township.
private sewage disposal system plan-review application fee: 75 USD
“Before a private sewage disposal system can be installed, a Private Sewage Disposal System Plan Review Application and a $75.00 application fee must be submitted. If the proposed system meets the requirements of the Illinois Department of Public Health Private Sewage Disposal Licensing Act and Code, the applicant will be granted a permit.”
Private sewage disposal system installation inside Avena Township.
pre-installation notification: 48 hours (Notification to Division of Environmental Health)
“Before a private sewage disposal system can be installed, a Private Sewage Disposal System Plan Review Application and a $75.00 application fee must be submitted. If the proposed system meets the requirements of the Illinois Department of Public Health Private Sewage Disposal Licensing Act and Code, the applicant will be granted a permit. It is then the responsibility of the applicant to give a 48-hour notification to the Division of Environmental Health before installation.”
We looked and could not find an official answer yet. Silence is not permission; ask Avena Township or Fayette 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 Avena Township publishes no rule on the point, not that none exists. Fayette County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Avena Township means bringing your own water and power. The kit we’d start with:
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