On-Site Systems Advisory Board

The On-Site Systems Advisory Board advises the Department on the groundwater discharges licensing program. The Board, created in the on-site systems regulations (7 DE Admin. Code, 7101), reviews and approves professional training requirements and courses and makes recommendations for licensing decisions by the Department.

Lisa Dolan
Licensing Coordinator

Meetings of the Board are open to the public. They are posted on the Public Meeting Calendar.

A Call for Members: Represent Your Peers


The Board has 10 members, designated by the DNREC Secretary. They represent the various professions licensed for work related to on-site systems, including geologists, soil scientists, engineers, systems designers, contractors, inspectors, and waste haulers.

The Board includes representatives from DNREC and the US Department of Agriculture.

The Board is charged with reviewing enforcement actions and makes recommendations for license suspension, revocation, or other potential disciplinary actions for Secretarial consideration.

Board Members

Bruce Bagley
Class D Soil Scientist

Laurel Oak Farm/Land Consulting
420 Cosden Road
Barclay, MD 21607


Term Expires 06.30.19

Steven Cahill

Duffield Associates, Inc.
5400 Limestone Road
Wilmington, DE 19808


Term Expires 06.30.21

Brian Carbaugh
Class C Designer

WWES Associates
1132 South Little Creek Road
Dover, DE 19901


Term Expires 06.30.20

Mark Davidson
Class B Designer

Pennoni Associates, Inc.
18072 Davidson Drive
Milton, DE 19968


Term Expires 06.30.20

Gerry Desmond
Class H System Inspector

Clean Delaware
PO Box 123
Milton, DE 19968


Term Expires 06.30.19

Scott Eichholz

DNREC Division of Water
89 Kings Highway
Dover, DE 19901


Term Expires 06.30.18

Carol Evans
Class I Construction Inspector

Apple Designs
689 Gallo Road
Harrington, DE 19952


Term Expires 06.30.19

Phillip King
USDA Natural Resources & Conservation Service

21315 Berlin Road, Unit 3
Georgetown, DE 19947

302.856.3990 Ext. 129

Term Expires 06.30.20

Thomas Ryan
Class F Liquid Waste Hauler

Weavers Sanitation, LLC
6 Manor Drive
Smyrna, DE 19977


Term Expires 06.30.18

Kenneth Walsh
Class E System Contractor

Multi-Koastal Services
PO Box 276
Ocean View, DE 19970


Term Expires 06.30.18