McHenry County, Illinois
Village of Fox River Grove is a village in McHenry County, Illinois. Village of Fox River Grove adopts its own zoning, so inside its limits Village of Fox River Grove’s rules apply, not the county’s. Septic permits inside Village of Fox River Grove come from McHenry County (McHenry County Department of Health, Environmental Health Division · (815) 334-4000). 9 rules below are quoted from official sources and independently re-checked, most recently on November 2, 2026. Rules for unincorporated land are on the McHenry County page.
New construction, additions and remodeling inside Fox River Grove village limits.
“common home improvements requiring a permit new construction, additions or remodeling”
New construction and alterations inside Fox River Grove village limits; the village adopts IBC construction standards.
“ibc construction standards have been adopted by the village of fox river grove as a protective measure for the residents.”
Projects needing a village building permit inside Fox River Grove village limits.
“to ensure you have the proper permits and inspections required by the village.”
Land inside Fox River Grove village limits: the village states it administers its own zoning regulations.
“the village has adopted codes covering building, electrical, heating and plumbing work, as well as zoning regulations.”
Driveway, patio, deck and walk construction inside Fox River Grove village limits.
“driveways, patios, decks, walks installation of sprinkler system, swimming pool, fence, or storage shed”
Permit applications for work inside Fox River Grove village limits.
“some permits may be obtained over-the-counter at village hall without building department review.”
Village of Fox River Grove does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Septic systems on land inside Fox River Grove village limits are regulated by the McHenry County Department of Health (applies inside Fox River Grove village).
“a permit is required from the mchenry county department of health to install, modify, alter, extend, repair, replace or abandon a septic system in mchenry county.”
Installing, modifying, repairing or replacing a septic system on land inside Fox River Grove village limits (applies inside Fox River Grove village).
“a permit is required from the mchenry county department of health to install, modify, alter, extend, repair, replace or abandon a septic system in mchenry county.”
Private sewage disposal on land inside Fox River Grove village limits without public sewer (applies inside Fox River Grove village).
“holding tanks are only allowed in very limited circumstances: as a temporary measure (less than 180 days) while awaiting connection to community sewer;”
We looked and could not find an official answer yet. Silence is not permission; ask Village of Fox River Grove or McHenry 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 Fox River Grove publishes no rule on the point, not that none exists. McHenry County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Village of Fox River Grove 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.