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Onsite Sewage Staff Directory

General Information

Main Line:  850-245-4070

If you have any general questions about septic tanks or other onsite sewage treatment and disposal system permits, please contact the Florida Department of Health office in your county.

OperationsQuality Assurance/StandardizationResearch and Engineering | Office Addresses

Eberhard Roeder, Ph.D., P.E.
Onsite Sewage Programs Section Lead
Environmental Administrator


Ed Williams
Variance Coordinator/Septic Tank Contractor Registration

Environmental Health Program Consultant
Contractor Registration

David Hammonds
Standardization/Training/Septic Tank Contractor Enforcement

Environmental Consultant

Quality Assurance/Standardization

Marcelo Blanco
Quality Assurance/Standardization

Environmental Manager

Kim Duffek
Quality Assurance/Standardization/Product Manual Review

Environmental Consultant 

Audra Burchfield
Quality Assurance/Standardization/Second Level Review

Environmental Consultant

Research and Engineering

Debby Tipton
Product Review/Engineering/Product Composition

Environmental Manager

Xueqing Gao, Ph.D.
Research/Product Review/Engineering

Environmental Consultant

Tanya Welborn
Product Review

Environmental Consultant

Office Mailing Addresses

Tallahassee Office

Florida Department of Environmental Protection
Division of Water Resource Management
Onsite Sewage Programs
2600 Blair Stone Road, MS 3596
Tallahassee, FL 32399

Orlando Office

Onsite Sewage Program
Florida Department of Environmental Protection
3319 Maguire Boulevard
Suite 120
Orlando, Florida  32803

Under Florida law, e-mail addresses are public records. If you do not want your e-mail address released in response to a public records request, do not send electronic mail to this entity. Instead, contact this office by phone or in writing.

Last Modified:
November 29, 2021 - 7:33am

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