U.S. NAVAL ACADEMY

ANNAPOLIS, MD · ~8,700 people served

Check your exact address → ANNAPOLIS overview

100

Excellent

PurityRadar safety score

PWSID

MD0020042

State

Maryland

City

ANNAPOLIS

Population served

8,700

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

Latest detections from EPA’s UCMR5 monitoring (through Jul 2024). Levels in parts per trillion (ppt).

Lithium

10,900 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jul 2007. Official EPA record →

Other · EPA contaminant 7000 began Jul 2007 Resolved

Other · EPA contaminant 7000 began Jul 2003 Resolved

Monitoring & reporting · Total coliform began Dec 2002 Resolved

Monitoring & reporting · Total coliform began Nov 2002 Resolved

Monitoring & reporting · Total coliform began Oct 2002 Resolved

Monitoring & reporting · Lead & Copper Rule began Jan 1993 Resolved

Monitoring & reporting · Lead & Copper Rule began Jul 1992 Resolved

Recent enforcement actions

State action · SOX Jul 2007
State action · SO8 Jul 2007
State action · SOX Aug 2003
State action · SOX Aug 2003
State action · SIA Aug 2003
State action · SIA Aug 2003
State action · SOX Mar 2003
State action · SOX Mar 2003

This profile is built from EPA public records for system MD0020042 — 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.