Who supplies my water · MD
Where Gaithersburg's tap water comes from
EPA records point to WSSC Water as the water system for Gaithersburg.
Montgomery County · Population 70,686
The water system for Gaithersburg
WSSC Water
PWSID MD0150005 · Purity Score 100/100 (Excellent) · Confidence: moderate · Assessed at the water-system levelAbout 100% of Gaithersburg's homes are inside WSSC Water's service area (EPA service-area map).
Full water report for WSSC WaterWSSC Water: contact and record
System-level records from EPA. Not a test of your tap.
ZIP codes in Gaithersburg
A ZIP code is a postal area, not a water service area. Your water bill names your supplier.
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Follow Gaithersburg's water
One email when WSSC Water publishes a new sampling round, a result moves above or below its reference, or the system's score changes.
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