Mercer County, Illinois
Perryton Township is a township in Mercer County, Illinois. Septic permits inside Perryton Township come from Mercer County (Mercer County Health Department · (309) 582-3759). 8 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Mercer County page.
Construction, reconstruction, erection, moving in, or alteration of a building or structure on unincorporated land inside Perryton township, where the Mercer County zoning resolution applies.
“no building or structure shall be constructed, reconstructed, erected, moved in, or altered within the unincorporated portions of mercer county without first obtaining a zoning certificate from the zoning officer which indicates that the proposed building or structure complies with all the provisions of this resolution.”
Buildings requiring a Mercer County Certificate of Occupancy on unincorporated land inside Perryton township.
temporary certificate maximum validity: <= 6 months (Pending issuance of a regular Certificate of Occupancy during completion of an addition or partial occupancy.)
“no certificate of occupancy for a building, or portion thereof, constructed after the effective date of this resolution, shall be issued until construction has been completed and the premises inspected and certified by the zoning officer to be in conformity with the plans and specifications upon which the zoning certificate was based.”
Post-effective-date buildings and non-agricultural use of previously unused land in unincorporated Perryton township, where the Mercer County zoning resolution applies.
“No building, or addition thereto, constructed after the effective date of this Resolution shall be occupied, and no land not in use on the effective date of this Resolution shall be used for any non-agricultural purpose until a Certificate of Occupancy has been issued by the Zoning Officer.”
Unincorporated land inside Perryton township, if subject to the Mercer County zoning resolution.
“For the purposes of this Resolution, all land located outside of the Incorporated municipalities in Mercer County is hereby divided into the Following districts: Agriculture AG-1 Agricultural District AG-2 Agribusiness District Residential R-1 Single Family Residence District R-2 General Residence District R-3 Seasonal Home District R-4 Mobile Home District Commercial C-1 General Commercial District Industrial 1-1 General Industrial District”
Manufactured homes in unincorporated Perryton township, where the Mercer County zoning resolution applies.
“No mobile/manufactured/modular or panelized home shall be installed, constructed, or otherwise be placed in the unincorporated limits of Mercer County for the purpose of use or occupancy unless in accordance with the following:”
Agricultural land uses and agricultural buildings or structures on unincorporated land inside Perryton township, where the Mercer County zoning resolution applies.
“the powers of the Act shall not be exercised so as to impose regulations or require permits with respect to land used or to be used for agricultural purposes, or with respect to the erection, maintenance, repair, alteration, remodeling or extension of buildings of structures used or to be used for agricultural purposes upon such land except that such buildings or structures for agricultural purposes may be required to conform to building or set back lines.”
Mercer County Zoning Certificate applications for unincorporated land inside Perryton township.
“Except as hereinafter provided, no permit pertaining to the use of land or buildings shall be issued by an officer, department, or employee of Mercer county unless application for such permit has been examined by the Zoning Officer, whose signature shall certify that the proposed building or use of land is in compliance with all the provisions of this Resolution.”
Perryton Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Well and septic environmental-health services for Mercer County residents, including residents inside Perryton township.
“lead poisoning prevention, food & tanning education/inspection, well/septic inspections and permitting, and vector surveillance”
We looked and could not find an official answer yet. Silence is not permission; ask Perryton Township or Mercer 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 Perryton Township publishes no rule on the point, not that none exists. Mercer County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Perryton Township means bringing your own water and power. The kit we’d start with:
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