Environmental Rules in Kenai Peninsula Borough, AK (2026)
5 rules for unincorporated Kenai Peninsula Borough, Alaska.
Verified from official government sources
Stormwater Management
The Kenai Peninsula Borough outside the cities has no general private-property stormwater ordinance; its drainage rule sits in the road construction standards. KPB 14.06.170 requires roads to be built so runoff does not pond in roadside ditches and is carried to natural or man-made drainage courses without eroding channels or siltating fish habitat.
Kenai Peninsula Borough Road Drainage Standards
Light RestrictionsKenai Peninsula Borough Code § 14.06.170
Roads shall be constructed to prevent ponding of runoff waters in roadside ditches. Drainage ditches shall be constructed such that runoff waters will be conveyed to natural drainage courses, ditches or waterways, or other man-made drainage courses. Outfalls shall be constructed to prevent excessive siltation of riparian habitats, channel erosion, or other damage to public or private property. ...
Erosion Control
Outside Kenai Peninsula Borough's cities, erosion and storm water control are enforced only inside the Anadromous Waters Habitat Protection District, the strip within 50 feet of a listed salmon stream or lake. Planning department staff can order 'standard erosion and storm water runoff control measures' under KPB 21.18.091 to fix damage from any project touching that strip; there is no general borough-wide grading or erosion permit.
Erosion Control in Kenai Peninsula Borough Habitat District
Some RestrictionsKenai Peninsula Borough Code § 21.18.091
Mitigation measures may be required by planning department staff to address impacts to the habitat protection district from a proposed, ongoing, or completed project. These measures may include, but are not limited to:A.Standard erosion and storm water runoff control measures;B.Restoration and maintenance of native vegetation and water quality protection functions; ... D.Removal of non-conformi...
Flood Zones
Outside the cities, the Kenai Peninsula Borough regulates construction in FEMA-mapped flood hazard areas under KPB Chapter 21.06. A development permit from the planning department is required before any building, fill or grading begins in a Special Flood Hazard Area, and violations are enforced daily under KPB 21.50.
Flood Hazard Areas in Kenai Peninsula Borough
Some RestrictionsKenai Peninsula Borough Code § 21.06.030
A.Lands to Which this Chapter Applies. This chapter shall apply to all flood hazard areas within the Kenai Peninsula Borough exclusive of the cities of Homer, Kenai, Seward, and Soldotna. ... Structures and activities which are not permitted or allowed by this chapter are prohibited. No structure or land shall hereafter be constructed, located, extended, converted, or altered without full compl...
Boat Dock Permits
Outside the cities, a private boat launch open to the public within the Kenai River habitat protection district needs a conditional use permit from the planning commission under KPB 21.18.081(B)(9), with a submitted plan of operation and a permit that expires after two years.
Boat Dock Permits, Kenai Peninsula Borough
Significant RestrictionsKenai Peninsula Borough Code § 21.18.081
9.Private boat launches and related facilities that are established to serve the public provided the following standards are met:a.A plan of operation is submitted that includes hours of operation, seasons of operation, daily boat launch capacity, parking plan, types of boats and clients to be served, fees charged, location of other public boat launches on the anadromous waters; ancillary facil...
Flood Elevation Requirements
Outside the cities, new construction in a Special Flood Hazard Area must be built to the borough's Flood Protection Elevation, normally the FEMA base flood elevation, under KPB 21.06.030(C) and KPB 21.06.050(B). Where no elevation data exists, the floor must sit at least two feet above the highest adjacent grade.
Base Flood Elevation Rules, Kenai Peninsula Borough
Some RestrictionsKenai Peninsula Borough Code § 21.06.030(C)
C.Basis for Establishing Flood Protection Elevation. The Flood Protection Elevation (FPE) shall be the applicable elevation as determined by the planning department using the criteria below and will be the elevation to which structures and utilities must be raised as required in the building standards in KPB 21.06.050.1.Base Flood Elevation (BFE). In Special Flood Hazards Areas of the Kenai Pen...
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