St. Clair County, Illinois
Village of Fayetteville is a village in St. Clair County, Illinois. Septic permits inside Village of Fayetteville come from St. Clair County (St. Clair County Health Department – Water & Private Sewage · 618-233-7769). 8 rules below are quoted from official sources and independently re-checked, most recently on November 2, 2026. Rules for unincorporated land are on the St. Clair County page.
Village of Fayetteville does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Residential lots inside Fayetteville village, St. Clair County, IL, that need a private sewage disposal system (septic), under the county health code. This is a health-code septic lot minimum, not a village zoning district minimum; a village zoning district could impose a larger requirement, and none was located.
minimum lot size, septic residential lot with municipal water available: >= 1 acre (usable space excluding lakes, ponds and easements; does not apply where no municipal water is available (see 3-acre claim))
“minimum lot size for a residential structure requiring a private sewage disposal system shall be one (1) acre usable space in size excluding lakes, ponds and easements.”
Private (septic) sewage disposal systems inside Fayetteville village, St. Clair County, IL, administered by the St. Clair County Health Department under the county Private Sewage Disposal code; the village is inside St. Clair County and the code is written for all of St. Clair County.
“it shall be unlawful for any person to construct, alter or extend individual domestic sewage disposal systems within st. clair county unless he/she holds a valid permit issued by the health department”
Construction, alteration or extension of an individual domestic sewage (septic) system on land inside Fayetteville village, St. Clair County, IL
“(a) it shall be unlawful for any person to construct, alter or extend individual domestic sewage disposal systems within st. clair county unless he/she holds a valid permit issued by the health department stating the name of such person for which the specific construction, alteration or extension is proposed.”
Private on-site sewage (non-sewer) systems inside Fayetteville village, St. Clair County, IL
“a permit shall only be.issued to a homeowner and/or a st. clair county licensed private sewage disposal system installation contractor installing a private sewage disposal system.”
New single-family residence on land inside Fayetteville village, St. Clair County, IL, where a sanitary sewer is available: the county health department must refuse a septic construction permit, so connection to the sewer is the route. Whether the village sewer exists or is controlled by the village is not verified.
reasonable distance to sewer for single-family residence: <= 300 feet (deemed available where sanitary sewer line adjoins or abuts premises, or where connection is practical and permitted by controlling authority)
“a sewer shall be deemed available when a sanitary sewer line is in place within any street, alley, right-of-way, or easement that adjoins or abuts the premises for which the permit is requested”
Subdividing land inside Fayetteville village, St. Clair County, IL, where lots will use septic systems; the county health department reviews sewage-related subdivision information. No village subdivision ordinance located.
“(b) subdivisions. the health department shall require persons who subdivide property to furnish information on forms provided by the health department concerning soil absorption capacities”
Septic (private sewage) construction, alteration or extension permits inside Fayetteville village, St. Clair County, IL. Building permit fees for the village were not located.
initial septic construction permit fee: 300 USD (for initial construction, alteration or extension of an individual sewage system as approved by the health department)
“(j) there shall be a three hundred dollar ($300.00) fee charged for the initial construction permit, alteration or extension of an individual sewage system as approved by the health department.”
Septic system permit process for land inside Fayetteville village, St. Clair County, IL. Village building permit process not located.
health department action period on septic applications: 15 days (from receipt of application)
“(f) the health department shall act upon all applications within fifteen (15) days of receipt thereof.”
We looked and could not find an official answer yet. Silence is not permission; ask Village of Fayetteville or St. Clair 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 Village of Fayetteville publishes no rule on the point, not that none exists. St. Clair County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Village of Fayetteville 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.