The objective of the Shelter Island Innovative/Advanced On-Site Wastewater Treatment System Rebate Program is to provide financial assistance to homeowners to replace a cesspool or conventional septic system for the installation of advanced waste reduction systems. Innovative and Alternative Onsite Wastewater Treatment Systems (I/A OWTS) and Pressurized Shallow Drainfields (PSDs) reduce Nitrate contamination in our aquifer by converting it into harmless Nitrogen gas. The program is administered by the Water Quality Improvement Advisory Board (WQI AB) and the Town Building Department. Final approval is authorized by the Town Board.
Annual Income Schedule Incentive Rebate
<$80K = $2,000
<$120K = $1,500
> $120K to $150K = $1,000
> $150K = 0
Salt brine redirection from a water treatment system to a dry well separate from the I/A OWTS.
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