Suffolk County Septic System Replacement Program

Suffolk County Department of Health Services

Available Home Repair

About This Program

Grant program to assist Suffolk County homeowners with the cost of replacing failing septic systems with advanced nitrogen-reducing wastewater treatment systems. Protects groundwater quality while helping homeowners meet environmental requirements.

Maximum grant for qualifying I/A OWTS installation

Key Details

  • Grant up to $30,000 for septic system replacement
  • Must replace with nitrogen-reducing system
  • Income limits apply (up to 120% AMI)
  • Protects Suffolk County groundwater
  • Owner-occupied homes only

How to Apply

Get free help applying Visit Official Program Page Track this program

(631) 852-5810

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Deadline: Rolling applications

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