Environmental Rules in Lake County, FL (2026)
5 rules for unincorporated Lake County, Florida.
Verified from official government sources
Stormwater Management
Any development activity in unincorporated Lake County that clears land, changes land use, alters a shoreline, or adds five hundred square feet or more of impervious surface needs a Stormwater Management Permit from the County Manager before it can begin. LDR § 9.06.03 sets that trigger, and county approval also depends on sign-off from the relevant water management district and FDEP.
Stormwater Management Permit Rules, Lake County FL
Some RestrictionsLake County LDR § 9.06.03(A), (D)(6)
No Person Shall conduct a Development Activity, or subdivide or make any change in the Use of Land, or construct any Stormwater Management system or Structure, or change the size of an existing Structure or system, except as exempted in Section 9.06.04, without first obtaining a Permit from the County Manager or designee as provided herein. ... 6.Increasing by five hundred (500) square feet or ...
Erosion Control
Construction sites in unincorporated Lake County that hold an NPDES industrial or construction stormwater discharge permit must comply with every condition of that permit and prove it to the County before discharging into the county storm drain system. LDR § 9.06.09(D)-(E) requires Best Management Practices, such as silt fences and hay bales, built into a stormwater pollution prevention plan (SWPPP).
Erosion & Sediment Control Rules, Lake County FL
Some RestrictionsLake County LDR § 9.06.09(D)-(E)
Industrial or Construction Activity Discharges. Any Person subject to an industrial or construction activity NPDES stormwater discharge permit Shall comply with all provisions of such permit. Proof of compliance with said permit Shall be required in a form acceptable to the County prior to the allowing of discharges to the MS4. ... Requirement To Prevent, Control, and Reduce Storm Water Polluta...
Flood Zones
Any development in a Lake County flood hazard area, from grading to building expansion, needs a floodplain development permit from the county's Floodplain Administrator before work starts, per LDR § 9.07.04(A). The County Manager or designee administers the program against Flood Insurance Rate Maps dated December 18, 2012, and unpermitted work is a violation.
Floodplain Development Rules in Lake County FL
Some RestrictionsLake County LDR § 9.07.04(A)
A. Permits required. Any owner or owner's authorized agent (hereinafter "applicant") who intends to undertake any development activity within the scope of this Section, 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...
Boat Dock Permits
Private boat docks and ramps on the Harris Chain of Lakes and other unincorporated Lake County waterfront are allowed as an accessory use in every residential zoning district, but only on land the homeowner actually occupies or adjoins. Docks must meet the same front and side setback lines that apply to the house itself, and shared docks measure setbacks from the outer property lines of the group, not internal lot lines.
Boat Dock Permit Rules in Lake County, FL
Some RestrictionsLake County LDR § 10.01.04(A)
A.Private Boat Docks and Ramps.1.Private boat docks and ramps shall be permitted as an accessory use within all residential zoning districts. Private boat docks and ramps shall meet the front and side setback requirements of the residential zoning district in which they are located.2.A common private boat dock or ramp for the private use of two (2) or more lots shall be encouraged and shall mee...
Flood Elevation Requirements
New homes in a Lake County flood hazard area must be built with 18 inches of freeboard above the base flood elevation, not just built to the base flood line itself. Lake County Code § 6-22 amends Florida Building Code Section R322.2.1 to raise that bar, with a one-foot minimum instead in Coastal A Zones.
Flood Elevation Freeboard Rules in Lake County FL
Some RestrictionsLake County Code § 6-22 (amending FBC R322.2.1)
R322.2.1 Elevation requirements. 1.Buildings and structures in flood hazard areas not designated as Coastal A Zones shall have the lowest floors elevated to or above the base flood elevation, plus eighteen (18) inches or the design flood elevation, whichever is higher.2.Buildings and structures in flood hazard areas designated as Coastal A Zones shall have the lowest floors elevated to or ab...
All Lake County ordinances
See every category we cover for Lake County: parking, noise, fences, fires, animals, pools, and more.
Lake County Ordinance Hub →