Jackson County, Illinois
De Soto Township is a township in Jackson County, Illinois. Septic permits inside De Soto Township come from Jackson County (Jackson County Health Department · 618-684-3143). 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 Jackson County page.
De Soto 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 De Soto township, Jackson County, Illinois; the county ordinance names the health department as the permit fee collector
“the fee shall be collected by the health department at the time of application for permit is submitted, and shall be deposited into the health department funds”
Private sewage permit and service fees for land inside De Soto township under the county ordinance
design of plans fee: 25 USD (1989 amendment; current amount not verified) · percolation test (reading only) fee: 25 USD (1989 amendment; current amount not verified) · subdivision plan review fee: 100 USD (1989 amendment; current amount not verified) · annual contractor registration fee: 25 USD (per person applying for a private sewage system contractor's registration certificate; 1989 amendment) · septage vehicle fee: 25 USD (per vehicle used for collection and transportation of septage; 1989 amendment)
“1. design of plans - $ 25.00. 2. percolation tests (reading only) - $ 25.00. 3. subdivision plan review - $100.00.”
Private sewage permit application process for land inside De Soto township
“if a permit is denied, the fee shall be returned to the applicant.”
We looked and could not find an official answer yet. Silence is not permission; ask De Soto Township or Jackson 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 De Soto Township publishes no rule on the point, not that none exists. Jackson County’s page lists the county offices to call.
Off-grid gear
Going off-grid in De Soto Township means bringing your own water and power. The kit we’d start with:
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