Randolph County, Illinois
Village of Kaskaskia is a village in Randolph County, Illinois. Septic permits inside Village of Kaskaskia come from Randolph County (Randolph County Health Department · (618) 826-5007). 22 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 Kaskaskia does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
New structures inside Kaskaskia village only where Randolph County issues building permits (i.e., if the village does not carry its own zoning ordinance; village status not verified)
“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.”
Work authorized by a county initial certificate of zoning compliance in Kaskaskia village, if the county zoning code applies there
“the administrator shall not issue a final certificate of zoning compliance until he has determined, by inspection, that the work authorized by this initial certificate of zoning compliance has been completed in accordance with an approved plan.”
Occupancy or use of new or altered structures in Kaskaskia village, if the county zoning code applies there
“no lot or part thereof, recorded or developed after the effective date of this code, and no structure or use, or part thereof, that has been erected, enlarged, altered, relocated, or reconstructed after the effective date of this code shall be used, occupied or put into operation until a final certificate of zoning compliance has been issued.”
County zoning districts that apply to land inside Kaskaskia village where the county zoning code applies
“division i - agricultural district section 40-4-1 - "a" agricultural district's purpose section 40-4-2 - permitted uses”
Land in the county 'r-1' rural single-family residential district, if county zoning applies to land inside Kaskaskia village (main single-family district)
minimum lot area: 1 acre (43,560 sq. ft. where private sewage system uses soil absorption) · minimum district area: 10 acre
“restrictions "a" district "r-1" district "r-2" district "c" district "i" district (a) minimum district area 40 acres 10 acres 5 acres 2 acres 5 acres (b) minimum lot area 30 acres 1 acre 12,000* sq. ft. or 3,000 sq. ft. per dwelling unit, whichever is greater 6,000* sq. ft. 20,000* sq. ft.”
“restrictions "a" district "r-1" district "r-2" district "c" district "i" district (a) minimum district area 40 acres 10 acres 5 acres 2 acres 5 acres (b) minimum lot area 30 acres 1 acre 12,000* sq. ft. or 3,000 sq. ft. per dwelling unit, whichever is greater 6,000* sq. ft. 20,000* sq. ft.”
“* except that when a private sewerage system dependent on a soil absorption system is to be used, the minimum lot area shall be one (1) acre (i.e. 43,560 sq. ft.)”
Structures in the county 'a' agricultural district, if county zoning applies to land inside Kaskaskia village
front setback: 50 ft · side setback: 25 ft · rear setback: 25 ft
“(e) minimum setbacks 1. from front lot line 50 ft. 50 ft. 25. ft. none 50 ft. 2. from side lot line 25 ft. 25 ft. 7 ft. none 25 ft. 3. from rear lot line 25 ft. 25 ft. 25 ft. none 25 ft.”
“(e) minimum setbacks 1. from front lot line 50 ft. 50 ft. 25. ft. none 50 ft. 2. from side lot line 25 ft. 25 ft. 7 ft. none 25 ft. 3. from rear lot line 25 ft. 25 ft. 25 ft. none 25 ft.”
“(e) minimum setbacks 1. from front lot line 50 ft. 50 ft. 25. ft. none 50 ft. 2. from side lot line 25 ft. 25 ft. 7 ft. none 25 ft. 3. from rear lot line 25 ft. 25 ft. 25 ft. none 25 ft.”
Structures in the county 'r-1' rural single-family residential district (main single-family district), if county zoning applies to land inside Kaskaskia village
maximum structure height: <= 35 ft
“(f) maximum structure height none 35 ft. 35 ft. 35 ft. none”
“(f) maximum structure height none 35 ft. 35 ft. 35 ft. none”
Mobile homes placed on individual lots inside Kaskaskia village, if the county zoning code applies there
mobile home year built (minimum): >= 1976 year (must be HUD approved) · mobile home park minimum tract: >= 2 acre
“(a) same lot size/setbacks. a mobile home may be placed on any individual lot only if the district's minimum lot size and setback requirements are strictly observed. (b) one per lot. only one (1) mobile home shall be placed on any individual lot. (c) foundation. every mobile home shall be placed on a permanent foundation as set forth in this code.”
Second dwellings on a lot in Kaskaskia village, if the county zoning code applies there
“(c) use as dwelling. use of any accessory structure as a dwelling is strictly prohibited in every zoning district.”
Private sewage disposal systems for land inside Kaskaskia village where no public sanitary sewer serves the lot (county health code applies countywide)
“it shall be unlawful for any person to construct, alter or extend private sewage disposal system within randolph county unless he holds a valid permit issued by the health department”
Constructing, altering or extending a private sewage disposal system on land inside Kaskaskia village where no sanitary sewer is used
“it shall be unlawful for any person to construct, alter or extend private sewage disposal system within randolph county unless he holds a valid permit issued by the health department”
Homes in Kaskaskia village not connected to a sanitary sewer
“(c) there shall be no discharge of untreated or inadequately treated sewage to the surface of the ground or to drain tiles, sinkholes, streams, rivers, lakes or other collectors of water.”
Existing homes with a malfunctioning private sewage system in Kaskaskia village (where a public sanitary sewer is available)
sanitary sewer availability distance, residential building: <= 300 ft (within 1,000 ft of a commercial building)
“a sanitary sewer is considered reasonably available if it is located within three hundred (300) feet of a residential building, or within one thousand (1,000) feet of a commercial building.”
Land used for agricultural purposes, and structures used for agricultural purposes on it, inside Kaskaskia village where county zoning applies
“the provisions of this code shall not be exercised so as to impose regulations or require permits with respect to land used or to be used for agricultural purposes (as defined herein)”
Creating new lots or splitting parcels in Kaskaskia village, if the county subdivision ordinance applies there
“lots which cannot be served by either a public or private sanitary sewer or a public water system, shall comply with the applicable provisions of the county zoning code.”
Development on land inside Kaskaskia village that lies in the county-regulated floodplain
“no person, firm, corporation, or governmental body not exempted by law shall commence any development in the floodplain without first obtaining a development permit from the randolph county zoning office.”
Zoning and building permit process for structures in Kaskaskia village, if the county administers permits there
“no lot shall be created, no land shall be developed, no new use or structure shall be established or erected, and no existing use or structure shall be enlarged, extended, altered, relocated or reconstructed until an initial certificate of zoning compliance has been issued.”
We looked and could not find an official answer yet. Silence is not permission; ask Village of Kaskaskia 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 Kaskaskia 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 Kaskaskia means bringing your own water and power. The kit we’d start with:
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