Department of Planning & Community Development
175 Arsenal Street, Watertown, New York 13601
 T: 315-785-3144 F: 315-785-5092 E: planning@jeffersoncountyny.gov 

Septic System Repair & Replacement Grant Program

Jefferson County is participating in the NYS Septic System Replacement Program. The purpose of this fund is to replace existing cesspools and septic systems that have significant and quantifiable environmental and/or public health impacts on groundwater used for drinking water or on a threatened or impaired waterbody.

In Jefferson County, Funding Priority Geographic Areas identified for this program include:  Moon Lake, Hyde Lake, Indian River, St. Lawrence River, Guffin Bay, Hart Brook, Oswegatchie River, Pleasant Lake Tributaries, Skinner Creek, and West Creek.

Under the most recent funding, eligible property owners can be reimbursed 50 percent of eligible costs up to $10,000 for the installation of a conventional system, or up to 75 percent of eligible costs up to $25,000 for the installation of an enhanced septic system.  For more information, contact our office and/or see NYS EFC Septic System Replacement Fund Webpage below.

Interested parties may use the interactive map to search by address to see if your parcel may be eligible:  

NYS Septic Replacement Fund Program Map Viewer of Potential Eligible Parcels

More detailed information is provided below:

Septic Repair and Replacement Program Flyer

NYS Septic Repair and Replacement Program Map

Septic Repair and Replacement Program Application Form

IRS W-9 Form (Required)

Septic Repair and Replacement Reimbursement Form

Septic Repair Fund Tax Guidance and 1099 FAQ

Septic System Replacement Grant Eligible Costs

Septic Replacement Program Grant Press Release - 7/2026

NYS EFC Septic System Replacement Fund Webpage