Randolph County, Illinois
Village of Prairie du Rocher is a village in Randolph County, Illinois. Septic permits inside Village of Prairie du Rocher come from Randolph County (Randolph County Health Department · (618) 826-5007). 3 rules below are quoted from official sources and independently re-checked, most recently on November 2, 2026. Rules for unincorporated land are on the Randolph County page.
Village of Prairie du Rocher 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) system plan review, permits and inspection, which the Randolph County health department runs countywide; the page does not name Prairie du Rocher village, so it is not confirmed that village land is in this service area
“rchd staff review plans and issue permits for septic systems; inspect construction and installation of septic systems; monitor and inspect septic pumpers to ensure proper pumping, operation, and disposal.”
Construction or reconstruction of an individual water supply well anywhere in Randolph County, Illinois, which would include land inside Prairie du Rocher village; the page does not name the village
“a valid permit issued by the health officer is required for construction or reconstruction of any individual water supply system or geothermal well within randolph county.”
Randolph County health department private sewage permit fees for a new sewage system; not a Prairie du Rocher village fee
permit to construct system for new sewage system: 350 USD
“permit to construct system for new sewage system $350.00”
We looked and could not find an official answer yet. Silence is not permission; ask Village of Prairie du Rocher or Randolph 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 Prairie du Rocher publishes no rule on the point, not that none exists. Randolph County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Village of Prairie du Rocher means bringing your own water and power. The kit we’d start with:
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