Who supplies my water · NY
Where Commack's tap water comes from
EPA records tie Commack to 2 water systems. Your water bill names the one that serves your address.
Suffolk County · Population 36,536
Water systems for Commack
Suffolk County Water Authority
PWSID NY5110526 · Purity Score 55/100 (Fair) · Confidence: moderate · Assessed at the water-system levelAbout 76% of Commack's homes are inside Suffolk County Water Authority's service area (EPA service-area map).
Full water report for Suffolk County Water AuthoritySuffolk County Water Authority: contact and record
Greenlawn Water District
PWSID NY5103271 · Purity Score 93/100 (Excellent) · Confidence: moderate · Assessed at the water-system levelAbout 22% of Commack's homes are inside Greenlawn Water District's service area (EPA service-area data).
System-level records from EPA. Not a test of your tap.
ZIP codes in Commack
A ZIP code is a postal area, not a water service area. Your water bill names your supplier.