Randolph County, Illinois
Village of Rockwood is a village in Randolph County, Illinois. Septic permits inside Village of Rockwood come from Randolph County (Randolph County Health Department · (618) 826-5007). 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 Randolph County page.
Village of Rockwood does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
New construction or placement of a structure inside Rockwood village, only if the village does not carry its own zoning ordinance (village zoning status unverified); county Land Resource Management issues the permits in that case
late filing fee: 25 USD (when construction begins before permit applications are submitted and/or permits issued)
“we issue building permits and initial certificates of zoning compliance applications for any structure built or placed in the unincorporated areas of the county and any municipality which does not carry its own zoning ordinance.”
Structures inside Rockwood village permitted by the county under the county zoning office (if the village has no zoning ordinance of its own)
“final certificate of compliance will be issued when by inspection, the work authorized by the initial certificate of compliance has been completed in accordance with the approved plan.”
Mobile home placement in unincorporated Randolph County and in municipalities without their own zoning, which would include Rockwood village if it has no zoning
“the foundation shall extend into the ground below the frost line so as to attach and become a part of the real estate (basement, concrete slab or concrete perimeter with mortared concrete block). vinyl skirting is not allowed.”
Second dwelling on a lot in unincorporated Randolph County and in municipalities without their own zoning
“additional single-family dwellings shall be permitted on an agricultural lot of record provided the occupants of said single-family dwellings are directly related by birth, marriage or adoption to the owners and residents of the lot of record.”
Private sewage disposal systems on land inside Rockwood village, administered by the Randolph County Health Department
“the contractor is responsible for the installation in compliance with the illinois private sewage disposal licensing act and code, and the current randolph county private sewage disposal ordinance.”
New private sewage disposal system on land inside Rockwood village (county health department)
permit to construct new sewage system: 350 USD (repair permit $200; permit to install a holding tank $175; community system $200 (or $200 plus $40 per phase when installed in two or more phases))
“a soil evaluation report (performed by a certified soil classifier) is required for all sewage disposal systems. percolation tests are not accepted.”
Land divisions under the Randolph County subdivision ordinance; application inside Rockwood village depends on whether the village has its own subdivision rules (unverified)
“this office is responsible for the general administration and enforcement of the randolph county zoning ordinance, the randolph county floodplain ordinance and the randolph county subdivision ordinance.”
Initial certificate of zoning compliance and building permit fees for structures in Rockwood village when the county issues the permit
zoning fee for initial certificate of compliance: 35 USD (waived for agricultural purposes or other reasons stated on the application) · building fee: per 1 USD per $1,000 of estimated structure value · late filing fee: 25 USD (if construction begins before permit applications are submitted and/or permits issued)
“there is a standard $35.00 zoning fee for the initial certificate of compliance application unless it is for agricultural purposes or waived for other reasons stated below.”
Permit process for structures in Rockwood village when the county issues the permit (village zoning status unverified)
“if you are building a single family residence, please include the house plans and contact the randolph county health department to get your septic approved.”
We looked and could not find an official answer yet. Silence is not permission; ask Village of Rockwood 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 Rockwood 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 Rockwood means bringing your own water and power. The kit we’d start with:
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