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Southeast District's Marathon Office

The Southeast District’s branch office in Marathon is responsible for administering DEP regulatory programs in Monroe County.

Marathon Branch Office
2796 Overseas Highway, Suite 221
Marathon, FL 33050
Florida Keys Topics of Interests


Brian Cumbie, Environmental Manager


Katie Teyshak, Government Operations Consultant I

Submerged Lands & Environmental Resource Program

The Marathon Environmental Resource Permitting/Submerged Lands section conducts environmental resource permitting. It is also charged with compliance and enforcement for dredge and fill projects as well as mangrove trimming within wetlands and surface waters. This section also processes applications for authorization to use state-owned lands, and provides compliance and enforcement of facilities on state-owned submerged land.

Water Facilities

The Water Facilities Division provides monitoring as well as compliance & enforcement for both domestic wastewater and industrial wastewater facilities. In addition, this division conducts water quality monitoring and analysis for the Florida Keys.

Waste & Air Resources

This section carries out compliance & enforcement for solid waste (landfills), hazardous waste, and petroleum storage facilities (fuel storage tanks.) It also regulates air compliance assurance, including power plant and incinerator emissions as well as asbestos abatement. The environmental specialists also act as response assistants for the Office of Emergency response.

Office of Emergency Response

The Marathon Office of Emergency Response provides response to hazardous material spills and abandoned containers of hazardous materials. It also provides support for oil spill prevention and response. Additional important phone numbers:

State Warning Point: 800-320-0519


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