Who supplies my water · MD

Where Potomac's tap water comes from

EPA records point to WSSC Water as the water system for Potomac.

Montgomery County · Population 47,018

The water system for Potomac

WSSC Water
PWSID MD0150005 · Purity Score 100/100 (Excellent) · Confidence: moderate · Assessed at the water-system level
About 100% of Potomac's homes are inside WSSC Water's service area (EPA service-area map).
Full water report for WSSC Water WSSC Water: contact and record

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.

Follow this water

Follow Potomac'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.