TapGraded

Ashburn, VA water quality

Ashburn, VA is served by 9 public water systems, serving 338,239 people combined. Across those systems, we count 0 health-based violations in the last 5 years. The worst Tap Grade among them is A.

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Frequently asked questions

Is Ashburn, VA tap water safe to drink?

9 public water systems serve Ashburn, VA, with 0 health-based violations in the last 5 years across them. The worst Tap Grade among them is A.

Does Ashburn's water have lead in it?

The most recent 90th-percentile lead sample is 1 ppb, versus the EPA action level of 15 ppb.

Has PFAS been detected in Ashburn's water?

These systems were tested under UCMR5 and no PFAS was detected above the reporting limit in the analytes we track.

Source: EPA SDWIS/ECHO · Data as of 2026Q2