Conventional residential cesspools and septic systems do not effectively remove nitrogen from wastewater. Innovative and Alternative Onsite Wastewater Treatment Systems substantially reduce and remove nitrogen from wastewater thereby preventing it from polluting our ground and surface water systems. The advanced technology relies on biological processes to remove nitrogen.
Suffolk County Department of Health Services List of Approved Systems
Additional Vendor Information
Courtesy of Meg Larsen, Shelter Island Sand, Gravel & Contracting Inc.
Courtesy of Suffolk County