Have Questions? We have answers! Send us an email at  healthwwm@suffolkcountyny.gov or
call the Office of Wastewater Management to schedule a meeting with one of our staff to discuss your proposed project at (631) 852-5700

If you are constructing a new home or modifying an existing home, you may need Department of Health Services Office of Wastewater Management approval to confirm the proposed or sewage disposal system will meet the requirements of Suffolk County’s Sanitary Code. This site contains important information regarding this process including applications, instructions, standards and guidelines to assist the applicant in completing the application process. Remember, submission of a complete application and design plan will result in a faster approval process.

Permit Applications for New Single Family Dwelling

• Application for a New Single-Family Dwelling (Form WWM-059)
• Mandatory Residential Application Checklist (Form WWM-202)

Permit Applications for Additions, Remodeling, Conversion or Sanitary Upgrade to Single Family Dwelling

• Application for Additions, Remodeling, Conversion or Sanitary Upgrade of Single-Family Dwellings or Additional Structure (Form WWM-057)
• Mandatory Residential Application Checklist (Form WWM-202)

Permit Applications for Accessory Apartment

• Application for Sewage Disposal and Water Supply Facilities for an Accessory Apartment (Form WWM-105)
• Mandatory Residential Application Checklist (Form WWM-202)

Permit Applications for Extension, Renewal or Transfer of Existing Permit of a Single Family Dwelling

• Application For Extension, Renewal or Transfer of Existing Permit for Single Family Dwelling (Form WWM-104)

Final Approval for Residential Project

• Instruction Sheet for obtaining Final Approval for a Residential Project (Form WWM-041)

Additional Information for Permits

• Suffolk County Sanitary Code Article 6
• Article 19 IA OWTS STDS Final 05.08.2023
• List of Approved Innovative and Alternative Onsite Wastewater Treatment Systems (I/A OWTS)
• Residential Standards
• Private Well Standards 
• Wastewater Management Fee Schedule
• Application for Variance or Waiver from Regulations or Specifications (Form WWM-061)
• Application For FOIL Request (Form WWM-074)
• Test Well Procedures (Form WWM-070)
• Certification of Existing Subsurface Sewage Disposal and Water Supply Facilities for a Single Family Residence (Form WWM-072)
• Certification of Constructed Works by Design Professional (Form WWM-073)
• Certification of Sewage Disposal System Abandonment (Form WWM-080)
• Certification of Sewage Disposal System by Installer (Form WWM-078)