Environmental Rules in Franklin County, FL (2026)
5 rules for unincorporated Franklin County, Florida.
Verified from official government sources
Stormwater Management
New subdivisions in unincorporated Franklin County cannot be platted without an adequate stormwater management system. The county requires design under state stormwater rules, an erosion and sediment control plan, submitted runoff computations, and dedicated stormwater easements across any watercourse the subdivision crosses.
Franklin County FL Subdivision Stormwater Rules
Some RestrictionsFranklin County Code § 15.5-35(b)
(1)Design. The stormwater management system shall be designed in accordance with Chapter 17-25, F.A.C., and applicable county regulations. The stormwater management system shall include an erosion and sediment control plan. Runoff computations shall be submitted along with the construction plans.(2)Stormwater easements.a.Where a subdivision is traversed by a watercourse, drainageway, channel, o...
Erosion Control
Construction on a platted subdivision in unincorporated Franklin County must include an erosion and sediment control plan as part of the stormwater management system. The county requires permanent control features as early as practical and temporary features to catch conditions that develop mid-build.
Franklin County FL Construction Erosion Control
Some RestrictionsFranklin County Code § 15.5-35(c)
(c)Erosion control.(1)An erosion and sediment control plan shall be included as part of the stormwater management system pursuant to subsection (b). Permanent erosion and sediment control features shall be incorporated at the earliest practical time. Temporary erosion control features shall be used to correct conditions that develop during construction which were not foreseen at the time of des...
Flood Zones
Any development wholly or partly inside a flood hazard area in unincorporated Franklin County, from grading and utility work to building alteration and manufactured-home placement, needs a floodplain development permit from the Floodplain Administrator before work starts. No permit issues until the project satisfies Chapter 6.5 and every other applicable code.
Franklin County Floodplain Development Permit Rule
Some RestrictionsFranklin County Code § 6.5-81
Any owner or owner's authorized agent (hereinafter "applicant") who intends to undertake any development activity within the scope of this chapter, including buildings, structures and facilities exempt from the Florida Building Code, which is wholly within or partially within any flood hazard area shall first make application to the floodplain administrator, and the building official if applica...
Boat Dock Permits
Anyone building a residential dock or pier in unincorporated Franklin County must follow the site plan and construction standards in Franklin County Code §§ 5-82 and 5-83: canal docks are capped at 25 percent of the canal's width, no vehicles or clearing is allowed within the 50-foot critical habitat zone, and every fixture must be motion-activated or three-way-switched and shielded downward.
Franklin County Residential Dock Permit Rules
Some RestrictionsFranklin County Code §§ 5-82, 5-83
(a)Docks built on canals are permitted to be no larger than twenty-five (25) percent of the width of the canal including the boat mooring site. ... (e)No parking of vehicles is allowed within the critical habitat zone, which is the first fifty (50) feet from mean high water.(f)The lot must be kept in natural vegetation within the critical habitat zone. ... (a)Comply with the permitting requirem...
Flood Elevation Requirements
Where FEMA has not published a base flood elevation for a mapped Zone A parcel in unincorporated Franklin County, the Floodplain Administrator can set the base flood elevation at two feet above the highest adjacent grade, as long as nothing shows flood depths have run deeper than that on the site.
Franklin County Default Flood Elevation Rule
Some RestrictionsFranklin County Code § 6.5-102(3)
Where base flood elevation data are not available from another source, where the available, data are deemed by the floodplain administrator to not reasonably reflect flooding conditions, or where the available data are known to be scientifically or technically incorrect or otherwise inadequate: ... b.Specify that the base flood elevation is two (2) feet above the highest adjacent grade at the l...
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