Who supplies my water · NY

Where Smithtown's tap water comes from

EPA records tie Smithtown to 3 water systems. Your water bill names the one that serves your address.

Suffolk County · Population 25,629

Water systems for Smithtown

Suffolk County Water Authority
PWSID NY5110526 · Purity Score 55/100 (Fair) · Confidence: moderate · Assessed at the water-system level
Suffolk County Water Authority lists Smithtown as a city it serves, and about 57% of Smithtown's homes are inside its service area (EPA service-area map).
Full water report for Suffolk County Water Authority Suffolk County Water Authority: contact and record
Smithtown Water District
PWSID NY5105656 · Purity Score 99/100 (Excellent) · Confidence: moderate · Assessed at the water-system level
Smithtown Water District lists Smithtown as a city it serves, and about 43% of Smithtown's homes are inside its service area (EPA service-area data).
Full water report for Smithtown Water District
St James Water District
PWSID NY5103266 · Purity Score 64/100 (Fair) · Confidence: moderate · Assessed at the water-system level
St James Water District lists Smithtown as a city it serves (EPA records).
Full water report for St James Water District

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

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