Database of Suffolk County Water Authority's largest users

The National Grid power plant in Northport was the Suffolk... — The National Grid power plant in Northport was the Suffolk County Water Authority's largest consumer of water in 2025. Credit: Newsday/John Keating

By Tracy Tullistracy.tullis@newsday.comOctober 9, 2026 2:00 am

These companies, institutions and housing developments were Suffolk County Water Authority’s largest water consumers in 2025. Numbers are in the millions of gallons.

By Tracy Tullis

tracy.tullis@newsday.com

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