Montgomery County, Illinois
Hillsboro Township is a township in Montgomery County, Illinois. Septic permits inside Hillsboro Township come from Montgomery County (Montgomery County Health Department · 217-532-2001). 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.
Hillsboro Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Sewage (septic) disposal systems for homes inside Hillsboro township, administered by the Montgomery County Health Department (county-wide form; applies inside Hillsboro township)
“in conjunction with the county ordinance for private sewage disposal.”
Sewage disposal system permit for a home inside Hillsboro township, issued by the Montgomery County Health Department (county-wide form; applies inside Hillsboro township)
permit validity: 1 year
“application for sewage disposal permit important notice: the montgomery county health department does not guarantee trouble-free operation of this sewage treatment and disposal system by the issuance of a permit or final approval of installation.”
Inspection of a sewage disposal system installation for a home inside Hillsboro township, by the Montgomery County Health Department (county-wide form; applies inside Hillsboro township)
“Department personnel shall evaluate, approve and inspect the systems.”
Septic (sewage disposal) permit application fee for a home inside Hillsboro township; no building-permit fee schedule was located
septic permit application fee: 50 USD
“montgomery county health department permit # $50 application fee date of issue date of pre-eval”
Permit process for septic systems inside Hillsboro township (county-wide health department process); no general building-permit process located
“To request an inspection call 217-532-2001 two working days prior to beginning of installation.”
We looked and could not find an official answer yet. Silence is not permission; ask Hillsboro 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 Hillsboro 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 Hillsboro Township means bringing your own water and power. The kit we’d start with:
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