Will County, Illinois
Du Page Township is a township in Will County, Illinois. Septic permits inside Du Page Township come from Will County (Will County Health Department — Private Sewage Program (Joliet Main Office) · 815-727-8490). 6 rules below are quoted from official sources and independently re-checked, most recently on October 30, 2026. Rules for unincorporated land are on the Will County page.
Du Page Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Buildings and water supply/sewage disposal installations in Du Page township (Will County, IL) located outside the limits of cities, villages and incorporated towns
“a permit must be obtained in advance and all other requirements of the building ordinance must be complied with whenever a building or parts of appurtenance thereof, such as water supply, sewage disposal, plumbing installation, electrical installation and heating equipment located outside the limits of cities, villages and incorporated towns of this county”
Construction in Du Page township (Will County, IL) outside the limits of cities, villages and incorporated towns, where the Will County building code applies
“this ordinance, including the rules and regulations it adopts by reference, is entitled the "will county building ordinance".”
Private sewage (septic) systems on land inside Du Page township (Will County, IL) where no public sewer applies
“the will county health department environmental health division provides inspections of water wells, waste water treatment systems and non-community public water supplies.”
Sewage disposal systems for a home inside Du Page township (Will County, IL) outside incorporated municipalities
“no building permit as required by this ordinance shall be issued for a building to be constructed on any lot, piece, parcel or tract of land that does not conform with provisions of chapter 765 illinois compiled statutes and requirements of the will county health department or other applicable agencies concerning sewage disposal and water supply”
Water supply (private well) installations for a home inside Du Page township (Will County, IL) outside incorporated municipalities
“a permit must be obtained in advance and all other requirements of the building ordinance must be complied with whenever a building or parts of appurtenance thereof, such as water supply, sewage disposal”
Agricultural exemption from the Will County building permit fee and permit requirements for land inside Du Page township (Will County, IL) outside incorporated municipalities
“(no fee permit) see agricultural exemptions in the will county zoning ordinance (150-1.50 (a)). any plumbing or electrical herein will require a permit.”
We looked and could not find an official answer yet. Silence is not permission; ask Du Page Township or Will 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 Du Page Township publishes no rule on the point, not that none exists. Will County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Du Page Township means bringing your own water and power. The kit we’d start with:
These are affiliate links — we may earn a commission, at no cost to you. As an Amazon Associate, Bolthole Index earns from qualifying purchases.