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Onsite Sewage Staff Directory

OperationsQuality Assurance/StandardizationResearch and Engineering | Office Addresses

General Information

Main Line: 850-245-4070

For information on a specific permit or location, contact the Florida Department of Health Environmental Health office in the county where the property is located.

For statewide Onsite Sewage Program questions, email our program staff at or call our main phone line at 850-245-4070.

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


Elke Ursin
Operations Section Lead

Environmental Manager

Herbert Johnson
Septic Tank Contractor Registration/Complaints & Enforcement Coordinator

Environmental Consultant

Variance Coordinator/Quality Assurance/Standardization

Environmental Consultant

Quality Assurance/Standardization

Marcelo Blanco
Quality Assurance/Standardization Section Lead

Environmental Administrator

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 Section Lead

Environmental Manager

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

Environmental Consultant

Tanya Welborn
Product Review 

Environmental Consultant

Product Review/Engineering 

Engineering Specialist IV

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, FL 32803

Under Florida law, email addresses are public records. If you do not want your email 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:
June 14, 2024 - 7:41am

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