Kosciusko County, Indiana
Plain Township is a township in Kosciusko County, Indiana. Septic permits inside Plain Township come from Kosciusko County (Kosciusko County Health Department – Environmental Health Services · (574) 372-2349). 14 rules below are quoted from official sources and independently re-checked, most recently on October 30, 2026. Rules for unincorporated land are on the Kosciusko County page.
Plain Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Uses and structures in Plain township outside incorporated municipalities, under the county zoning ordinance
“and be used or be designed to be used, except in full compliance with all the provisions of this ordinance and after the lawful issuance of the permits required by this ordinance”
Land inside Plain township outside incorporated municipalities: the Kosciusko County Zoning Ordinance governs use and district rules there. This is county zoning, not a township ordinance.
“1.5 jurisdiction: the jurisdiction of this ordinance shall include all lands and waters within the territorial jurisdiction of the county.”
Land in Plain township outside incorporated municipalities, under the Kosciusko County Zoning Ordinance
“2.8 residential district 2.9 commercial district 2.10 i-1 limited industrial district 2.11 i-2 light industrial district 2.12 i-3 heavy industrial district 2.13 overlay district”
Agricultural (a) district lots without public sewer in Plain township outside incorporated municipalities
minimum lot area: >= 20000 sq ft (plus 10,000 sq ft per additional family; lots without public sewer) · minimum lot width: >= 100 ft
“a 20,000 10,000 100 50 20 aii 1 acre n/a 100 50 20 r 20,000 10,000 100 35 10”
“a 20,000 10,000 100 50 20 aii 1 acre n/a 100 50 20 r 20,000 10,000 100 35 10”
“a 20,000 10,000 100 50 20 aii 1 acre n/a 100 50 20 r 20,000 10,000 100 35 10”
Agricultural (a) district lots without public sewer in Plain township outside incorporated municipalities
minimum front yard: >= 50 ft (lots without public sewer) · minimum side yard: >= 20 ft (lots without public sewer) · minimum rear yard: >= 20 ft (lots without public sewer; footnote * not resolved)
“a 20,000 10,000 100 50 20 aii 1 acre n/a 100 50 20 r 20,000 10,000 100 35 10”
“minimum depth rear yard feet 20* 20* 20* 20* 15* 20* 20* 20* 50*”
Principal and accessory structures in Plain township outside incorporated municipalities, in districts other than agricultural, industrial, or commercial
principal structure maximum height: <= 40 ft (above mean ground level; not in agricultural, industrial, or commercial districts) · accessory building maximum height: <= 25 ft (above mean ground level; eave height max 16 ft unless approved by board of zoning appeals) · accessory building maximum eave height: <= 16 ft (unless approved by board of zoning appeals)
“3.14.1 except in agricultural, industrial, or commercial districts, no principle structure shall exceed forty (40) feet in height above mean ground level, and no accessory building shall exceed twenty-five (25) feet in height above mean ground level nor an eave height higher then sixteen (16) feet unless approved by the board of zoning appeals.”
Recreational vehicles used as a temporary or permanent place of abode in Plain township outside incorporated municipalities, when not in a mobile home park or designated campground
“3.3 mobile homes & recreational vehicles: mobile homes and recreational vehicles not located in a mobile home park or designated campground, and used as temporary or permanent place of abode shall be subject to the requirements of all federal, state and county laws applicable to dwellings. further "skirting" of a durable material shall be installed upon any mobile home or recreational vehicle so used or occupied as a temporary or permanent place of abode.”
Mobile homes used as a temporary or permanent place of abode in Plain township outside incorporated municipalities, when not in a mobile home park or designated campground
“3.3 mobile homes & recreational vehicles: mobile homes and recreational vehicles not located in a mobile home park or designated campground, and used as temporary or permanent place of abode shall be subject to the requirements of all federal, state and county laws applicable to dwellings.”
Septic systems for land in Plain township, administered by the Kosciusko County Health Department
“county ordinances require property owners to obtain permits for any new septic or well installed in kosciusko county. this includes any work done for repairing an existing septic system or replacing an existing well.”
New septic systems in Plain township, permitted by the Kosciusko County Health Department
“septic permit application: fillable pdf printable completed forms should be emailed to: [email protected] and [email protected] with septic permit application in the heading”
New wells in Plain township, permitted by the Kosciusko County Health Department
“well permit application: fillable pdf printable completed forms should be emailed to: [email protected] and [email protected] with well permit application in the heading”
We looked and could not find an official answer yet. Silence is not permission; ask Plain Township or Kosciusko 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 Plain Township publishes no rule on the point, not that none exists. Kosciusko County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Plain Township means bringing your own water and power. The kit we’d start with:
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