De Witt County, Illinois
Village of De Witt is a village in De Witt County, Illinois. Septic permits inside Village of De Witt come from De Witt County (DeWitt-Piatt Bi-County Health Department · 217.935.3427). 5 rules below are quoted from official sources and independently re-checked, most recently on November 2, 2026. Rules for unincorporated land are on the De Witt County page.
Village of De Witt 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 (septic) systems on land inside De Witt village; the DeWitt County code applies across the county, including inside the village, and is administered by the DeWitt-Piatt bi-county health department
“it shall be unlawful for any person to construct, alter, or extend individual sewage disposal systems within dewitt county unless he or she holds a valid permit issued by the health department”
Constructing, altering or extending an individual sewage disposal system on land inside De Witt village (within DeWitt County)
“said permit to construct is valid for a period of one year from date of issuance. if construction has not started within this period, the permit is void.”
Subdividing land inside De Witt village, as to soil absorption for septic systems only; general subdivision regulation by the village was not found
“the health department shall require persons who subdivide property to furnish information concerning soil absorption capacities, or require changes in a proposed subdivision plat”
Septic construction, alteration or renovation permit fee inside De Witt village (health department fee)
“there shall be a fee for the construction or renovation of a private sewage disposal system which is to be paid to the health department upon application. the fee will be returned to the applicant if a permit is denied. the fee has been established by the board of health and is reviewed annually.”
Septic permit process for land inside De Witt village
“the board of health or its authorized representative shall act upon or respond to all applications within ten days of receipt thereof.”
We looked and could not find an official answer yet. Silence is not permission; ask Village of De Witt or De Witt 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 Village of De Witt publishes no rule on the point, not that none exists. De Witt County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Village of De Witt means bringing your own water and power. The kit we’d start with:
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