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Water system · PWSID VA4085902

WALNUT GROVE NO 1

ROCKVILLE, VA · ~290 people served

Check your exact address → ROCKVILLE overview
100
Excellent
PurityRadar safety score

PWSID

VA4085902

State

Virginia

City

ROCKVILLE

Population served

290

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

8

Violations on record

0

Unaddressed

3

Health-based

25

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jul 2010. Official EPA record →

Monitoring & reporting · Gross alpha began Jan 2009 Resolved
Monitoring & reporting · Uranium began Jan 2009 Resolved
Monitoring & reporting · Combined radium-226/228 began Jan 2009 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jan 2004 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 2000 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 1999 Resolved
Monitoring & reporting · Total coliform began Jun 1999 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 1997 Resolved

Recent enforcement actions

  • State action · SOX Jul 2010
  • State action · SIF Jun 2010
  • State action · SFJ Jan 2010
  • State action · SIE Jan 2010
  • State action · SIF Jul 2005
  • State action · SFJ Dec 2004
  • State action · SIE Dec 2004
  • State action · SOX Mar 2004

This profile is built from EPA public records for system VA4085902 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.