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Miami-Dade County, FL Environmental Rules: Erosion Control (2026)

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

Key Facts

Enforcing agency
DERM (Div. of Environmental Resources Mgmt.)
Trigger
Earthwork/excavation near ROW or water bodies
Required plan
Stormwater Pollution Prevention Plan (SWPPP)
Large-site rule
Retain 25-yr/6-hr storm runoff onsite if >1 acre
Civil penalty
$2,500 per violation (Sec. 8CC-10)

Summary

Miami-Dade County requires erosion and sedimentation controls for construction near rights-of-way or water bodies, spelled out in a Stormwater Pollution Prevention Plan that DERM must review and approve.

City-specific rules exist: Miami Beach, Doral, Homestead, Miami, and Coral Gables have their own erosion control rules that differ from Miami-Dade County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

Construction activities involving earth work or excavations along public rights-of-way or adjacent to water bodies shall provide erosion and sedimentation controls to limit impacts to existing drainage facilities, water bodies, and natural preserve areas. The controls shall be included in the Stormwater Pollution Prevention Plan (SWPPP) to be submitted as part of a permit application and shall be subject to review and approval by the Director.

Source: Miami-Dade DERMView 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 135).

Full Breakdown

Miami-Dade County's stormwater code (Sec. 24-42.8(4)(f)) requires erosion and sedimentation controls on any construction involving earthwork or excavation along public rights-of-way or near water bodies, protecting drainage facilities, water bodies and natural preserve areas. The controls must be spelled out in a Stormwater Pollution Prevention Plan (SWPPP) filed with the DERM Director for review and approval as part of the permit application. Projects disturbing more than one acre of impervious area must also add temporary stormwater retention sized for a 25-year/6-hour storm, and exposed soil must stay stabilized or covered during construction. The rule reaches development orders and their municipal equivalents, covering unincorporated Miami-Dade and its 34 municipalities alike.

Violations & Fines

Failing to include required controls or exceeding stormwater limits is a stormwater-regulation violation carrying a 2,500 dollar civil penalty per Chapter 8CC's schedule (Section 8CC-10), on top of any permit denial.

Frequently Asked Questions

Does this apply inside cities like Miami or Hialeah, not just unincorporated areas?
Yes. Section 24-42.8 governs development orders and their municipal equivalents, and the county's non-structural impervious surface rules apply in the incorporated and unincorporated areas alike, subject to a narrow municipal opt-out.
What triggers the erosion-control requirement?
Any construction with earthwork or excavation along a public right-of-way or near a water body needs erosion and sedimentation controls listed in a Stormwater Pollution Prevention Plan filed with the permit application.
Are there extra rules for large sites?
Yes. Projects with more than one acre of total impervious area, existing area included, must add temporary stormwater features that retain runoff from a 25-year, 6-hour storm until construction finishes.

Sources & Official References

Other rules in Miami-Dade County

All Miami-Dade County rules

Florida rules heatmap·Compare Miami-Dade County to another location·View the Florida environmental rules overview

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