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Residential Septic Improvement Program
Program Information

The Septic Improvement Program is available to qualified owners of residential property located within Suffolk County.

Grant funding, of up to $10,000, will be provided toward the purchase and installation of Suffolk County Department of Health Services approved Innovative and Alternative nitrogen removal onsite wastewater treatment system (I/A OWTS) and leaching structure, as well as toward attendant engineering and design services. An additional $1,000 may be available toward installation of Pressurized Shallow Drainfields for a maximum grant of up to $11,000. All other costs, including, but not limited to, costs above the authorized grant amount, irrigation repairs, electrical improvements unrelated to system installation or other improvements necessary for the installation are the responsibility of the property owner/applicant. Post-installation landscaping restoration is also the responsibility of the property owner/applicant.