Okaloosa County, FL Environmental Rules: Erosion Control (2026)

Fla. 413 is the state permitting backbone behind the erosion and stormwater controls applied to construction in Okaloosa County, administered locally through the Northwest Florida Water Management District and the Florida Department of Environmental Protection. Subsection (1) lets the governing board or department require a permit and impose reasonable conditions on the construction or alteration of any stormwater management system, dam, impoundment, reservoir, or appurtenant work to keep it from harming the district's water resources, and lets the agency delineate which areas within the district need a permit at all.

Subsection (2) spells out what an application must contain: the applicant's name and address, the landowner's name, address, and legal description, the work's location, sketches of the proposed construction, the name of who prepared the plans, the name of who will build the work, its general purpose, and any other information the board or department requires. Subsection (3) requires the agency to notify anyone who has filed a written request for notice of pending applications in the affected area, describing the activity, its location, and whether it touches an Outstanding Florida Water or aquatic preserve.

Subsection (5) lets the agency charge a subscription fee to cover duplication and mailing costs for that notice list. Later subsections carve out flexible, alternative treatment rules for state transportation projects and set financial-responsibility and drainage-area requirements for larger regional stormwater management systems built to serve multiple developments.