Lyon County, Kansas
Fremont Township is a township in Lyon County, Kansas. Septic permits inside Fremont Township come from Lyon County (Lyon County Public Health Environmental Health · (620) 342-4864 Opt 5). 8 rules below are quoted from official sources and independently re-checked, most recently on October 30, 2026. Rules for unincorporated land are on the Lyon County page.
Fremont Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Land under Lyon County zoning jurisdiction (unincorporated county parcels). Lyon County administers this zoning, not Fremont township; applicability to parcels inside Fremont township was not separately confirmed.
“for parcels located within lyon county jurisdiction, no appeal or variance granted by the lcpab shall be valid for a period of longer than one hundred and eighty (180) days”
County zoning parcel types under Lyon County Zoning Regulations 02-2021 in unincorporated Lyon County
“one (1) mobile home to be used as a temporary office for any allowable use on a li or hi parcel type, or as a temporary dwelling.”
Occupying recreational vehicles on private land in unincorporated Lyon County (including parcels inside Fremont township if under county jurisdiction)
recreational vehicles occupied per parcel: <= 2 vehicles · occupancy duration: <= 30 days
“d. at any time, no more than two (2) recreational vehicles can be occupied by a person(s) per parcel of land for no more than thirty (30) days.”
Temporary occupancy of recreational vehicles on private land in unincorporated Lyon County (including inside Fremont township if under county jurisdiction)
occupancy duration: <= 30 days
“d. at any time, no more than two (2) recreational vehicles can be occupied by a person(s) per parcel of land for no more than thirty (30) days.”
Manufactured or mobile homes in unincorporated Lyon County (including inside Fremont township if under county jurisdiction)
temporary mobile home dwelling duration: <= 2 years (during construction of a permanent home on a residential parcel type) · manufactured home park space minimum area: >= 4000 square feet
“each space for a manufactured home shall be at least four thousand (4,000) square feet in area and be clearly defined and marked.”
On-site sewage collection and treatment in subdivisions in unincorporated Lyon County where public sewer is not reasonably available (applies inside Fremont township only if under county jurisdiction)
“in all other areas, a sewage collection and treatment system shall be provided subject to the approval of the county health department.”
Water and sewer service standards in Lyon County subdivision regulations (unincorporated county); a rule requiring a new home inside Fremont township to connect was not located
“when reasonably available, a public sewerage system shall be provided with the public sewage system supplier's standards. in all other areas, a sewage collection and treatment system shall be provided subject to the approval of the county health department.”
Subdivisions of land in unincorporated Lyon County under Lyon County Zoning Regulations 02-2021, Section 6 (Subdivision Regulations)
“the owner(s) of any land subject to these regulations subdividing said land in a manner previously cited shall cause to be prepared a subdivision plat in accordance with the provisions of these regulations.”
We looked and could not find an official answer yet. Silence is not permission; ask Fremont Township or Lyon 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 Fremont Township publishes no rule on the point, not that none exists. Lyon County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Fremont Township 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.