About Sanitary Engineering & Construction Unit

The Sanitation Engineering and Construction Unit administers the design and inspection of capital improvements to sewer district facilities, review and construction inspection of sanitary projects for Sewer Agency and sewer district projects. All plans for sanitary construction for subdivisions and multi-use/owner construction projects in county sewer districts must be submitted for review, approval and inspection by this office. All plans for proposed sanitary construction for multi-owner subdivisions (Sewer Agency) in Suffolk County must be submitted for review, approval and inspection by this office.

The Division of Sanitation operates and maintains twenty-one (21) sewage treatment plants and twenty-six (26) sewer districts, over seventy (70) pumping stations, and over 1,250 miles of sewers. These same systems are regulated by the New York State Department of Environmental Conservation (DEC), the Suffolk County Department of Health Services (DHS) and a multitude of federal and safety organizations.

Sewer Issues

Please follow the procedures listed below when encountering a problem relating to sewer line blockages or backups in County sewer districts:

• If the problem is in the interior of the building and/or between the homeowner’s house connection and the sewer main, the County is not responsible.
• If the problem is with the sewer main, the County must be notified in order to verify the problem and correct the problem.
• Call your plumber to confirm the location of the problem.
• Notify the District at (631) 852-4109 to witness the plumber’s work.