On-Site Water Protection Section - Approved Controlled Demo Systems

Approved Accepted Systems (PDF)
Generic Name	Proprietary Name	Approval Number	Related Links
Chamber Trench System	Infiltrator Chambered Sewage Effluent Sub-surface Disposal System	AWWS-05-01-R1	Infiltrator Systems Infiltrator NC Design Manual Dissipator for Pressure Dosed Systems
Polystyrene Aggregate Trench System	EZflow	AWWS-05-02-R2	EZ Flow Systems
Chamber Trench System	'Biodiffuser' chambered sewage effluent subsurface disposal system	AWWS-08-01-R2	PSA, Inc.

On-site Water Protection Section, 1642 Mail Service Center, Raleigh, NC 27699-16424 919-733-2895 Fax 919-715-3227 Disclaimer