Residential Wastewater Treatment Systems
A residential wastewater treatment system (RWTS) is a wastewater treatment system that has been approved and listed to comply with Class I effluent standards adopted by NSF International, under NSF Standard 40, in accordance with General Statute 130A-342. RWTS have been verified during testing to meet EPA’s secondary treatment standards and can have a design daily flow up to 1,500 gallons per day. These units are reviewed and approved under 15A NCAC 18E Section .1500 by Branch engineers.
Contact: Tricia Angoli, 919-707-5878
- Approval Requirements - 15A NCAC 18E Section .1500 (PDF) -
- Approvals and Drawings
- Aqua Safe
- Bio-Microbics Inc.
- Clearstream Wastewater Systems Inc.
- Infiltrator Water Technologies (formerly Delta Fiberglass and Environmental Products Inc.)
- Hydro-Action Industries
- Norweco
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