Montgomery County, Illinois
Irving Township is a township in Montgomery County, Illinois. Septic permits inside Irving Township come from the county and state together. 5 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Montgomery County page.
Irving 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 (septic) systems on land inside Irving township, Montgomery County, Illinois. The Montgomery County Health Department (Hillsboro) issues the sewage disposal permit under the county sewage ordinance and the state Private Sewage Disposal Licensing Act. The county scope is recorded because the township is not the rule-maker; no page located states the health department's service area in words naming Irving township.
“The Department administers and enforces the Private Sewage Disposal Program”
New or altered private sewage disposal systems on land inside Irving township, Montgomery County, Illinois; permit issued by the Montgomery County Health Department
permit validity: 12 months
“All new and renovated private sewage disposal systems require a permit”
Installation of a private sewage disposal system on land inside Irving township, Montgomery County, Illinois
inspection request lead time: >= 2 working days (before beginning of installation)
“To request an inspection call 217-532-2001 two working days prior to beginning of installation.”
Sewage disposal permit application fee for a septic system on land inside Irving township, Montgomery County, Illinois
sewage permit application fee: 50 USD (shown on 2016 form; current schedule not verified)
“montgomery county health department permit # $50 application fee date of issue date of pre-eval”
Septic permit process for land inside Irving township, administered by the Montgomery County Health Department
“FINAL INSPECTION AND APPROVAL / DISAPPROVAL BY:”
We looked and could not find an official answer yet. Silence is not permission; ask Irving Township or Montgomery 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 Irving Township publishes no rule on the point, not that none exists. Montgomery County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Irving Township means bringing your own water and power. The kit we’d start with:
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