Who supplies my water · NY

Where Holtsville's tap water comes from

EPA records point to Suffolk County Water Authority as the water system for Holtsville.

Suffolk County · Population 18,937

The water system for Holtsville

System-level records from EPA. Not a test of your tap.

ZIP codes in Holtsville

A ZIP code is a postal area, not a water service area. Your water bill names your supplier.

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Follow this water

Follow Holtsville's water

One email when Suffolk County Water Authority publishes a new sampling round, a result moves above or below its reference, or the system's score changes.

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