Where Dredged Material Goes: The Disposal Rules Behind Every Waterfront Project

Dredging removes sediment from the water, but the work is not finished when the material comes off the bottom. Everything lifted out of your canal or slip has to be contained, dried, and taken off your property, and Florida law sets the rules for how that happens.

This article explains the disposal rules that apply to residential dredging in Florida tidal waters, so you know what to expect in a quote and what to ask a contractor.

Florida law requires dredged material to be placed on a self-contained upland spoil site designed to keep both the material and the return water from escaping into state waters. The requirement sits in Section 403.813 of the Florida Statutes, and the details are in the state's dredge and fill rules under Chapter 62-312 of the Florida Administrative Code.

In practical terms, sediment is pumped or loaded onto the bank, held in a contained area while the water drains out, and then trucked away. Open-water disposal is not an option for residential canal and dock dredging.

Florida exempts maintenance dredging of existing manmade canals and channels from a full Environmental Resource Permit in some cases, but the exemption has a condition: the spoil must go to a self-contained upland site that prevents escape into state waters. The disposal requirement is part of the exemption, not separate from it.

An exemption can simplify the paperwork, but the disposal standard still applies. It is worth confirming with the agency or a licensed professional that your project qualifies before relying on the exemption.

Hydraulic dredging moves sediment as a slurry, so the material is usually dewatered on site using geotextile tubes, settling basins, or similar containment. The separated water must meet water quality standards, and discharging dewatering water may require coverage under a state generic permit.

This is why a good job plan includes space for the dewatering area and a plan for the return water. A contractor who has done residential canal work in your area will have a proven setup for it.

After dewatering, the solids are transported to a permitted landfill or approved disposal facility. Hauling, disposal fees, and the equipment to move the material are real costs, and they are part of every written quote.

When you compare quotes, ask how disposal is handled and whether the price includes complete haul-away from your property. A quote that does not include disposal is not a complete quote.

Ask where the material will be dewatered, how the return water is handled, who holds the permits for the disposal site, and whether haul-away is included in the price. Written answers to those four questions tell you whether the job is planned end to end.

A contractor who manages the containment, dewatering, and haul-away as part of the job keeps the project legal and the property clean.

To request free resources about dredging, call (561) 299-1323 or email slselleck@gmail.com. Tell us about your dock, slip, or waterway and we will help you understand what it needs.