Richland County, Illinois
Preston Township is a township in Richland County, Illinois. Septic permits inside Preston Township come from the state health agency. 8 rules below are quoted from official sources and independently re-checked, most recently on October 30, 2026. Rules for unincorporated land are on the Richland County page.
Preston Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Land inside Preston township outside the corporate limits of any municipality (unincorporated Richland County). No zoning ordinance adopted by Preston township was found.
“richland county, illinois does not have a zoning ordinance for the unincorporated portions of the county.”
Land inside Preston township outside any municipality (unincorporated Richland County)
“richland county, illinois does not have a zoning ordinance for the unincorporated portions of the county.”
Minimum dwelling size on land inside Preston township outside any municipality (unincorporated Richland County)
“richland county does not have a zoning official.”
Lot coverage on land inside Preston township outside any municipality (unincorporated Richland County)
“richland county, illinois does not have a zoning ordinance for the unincorporated portions of the county.”
Septic and private sewage systems with no surface discharge installed inside Preston township (state rule applies statewide)
“the illinois department of public health (idph) regulates the installation of all private sewage disposal systems that have no surface discharge (such as septic tanks and seepage fields)”
Installing a septic or private sewage system with no surface discharge inside Preston township
“staff also review and approve plans for private sewage disposal systems and alternative private sewage disposal systems before construction.”
Land divisions on land inside Preston township outside any municipality (unincorporated Richland County)
“richland county does have a solar farm development ordinance, a floodplain construction ordinance, a setback line ordinance, a sub-division ordinance, and a trailer park operation ordinance.”
New or extended driveway entrances onto county highways in Preston township (unincorporated Richland County)
“requests for new entrances or extensions to entrances on richland county highways should be made to the richland county engineer.”
We looked and could not find an official answer yet. Silence is not permission; ask Preston Township or Richland 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 Preston Township publishes no rule on the point, not that none exists. Richland County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Preston Township means bringing your own water and power. The kit we’d start with:
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