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

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified August 2026

Key Facts

Governing section
Sec. 5.5-33(n)
Approving authority
Office of the County Engineer
Plan required
Individual stormwater drainage plan
Applies to
New structures and additions

Summary

Marion County requires erosion control on every construction site to stop uncontrolled stormwater runoff, with drainage plans approved by the County Engineer's office.

These county ordinances apply to unincorporated areas of Marion County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

(n)Stormwater runoff during construction. All stormwater runoff increases during construction and following must be kept on site or directed to swales, ditches or piping to approved drainage areas, as approved by the Office of the County Engineer. Erosion control shall be used to prevent uncontrolled runoff from the site.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 122 | Land Development Code: Supplement 7).

Full Breakdown

Under Sec. 5.5-33(n) of the county code, any increase in stormwater runoff during and after construction must be kept on site or routed through swales, ditches, or piping to a drainage area approved by the Office of the County Engineer, and erosion control measures must be used to prevent uncontrolled runoff leaving the site. Builders also submit an individual stormwater drainage plan at permit application under subsection (m), showing compliance with the master drainage plan or the Land Development Code's stormwater design criteria.

Violations & Fines

Building official/County Engineer can withhold permit approval or require corrective drainage/erosion work before proceeding.

Frequently Asked Questions

Do I need an erosion control plan to build in Marion County?
Yes. Permit applications must include a stormwater drainage plan, and erosion control is required to keep runoff on site during construction.
Who approves the drainage plan?
The Office of the County Engineer approves the drainage routing and any deviation from the master or Land Development Code criteria.

Sources & Official References

Other rules in Marion County

Noise Ordinances: Construction HoursSome RestrictionsStormwater ManagementSome RestrictionsNoise Ordinances: Vehicle NoiseFew RestrictionsNoise Ordinances: Decibel LimitsSome RestrictionsNoise Ordinances: Aircraft NoiseFew RestrictionsNoise Ordinances: Barking DogsSome RestrictionsNoise Ordinances: Amplified Music & Outdoor SoundHeavy Restrictions

All Marion County rules

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