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Water system · PWSID MD0180022

PATUXENT NAVAL AIR STATION (NAVFAC-WASH)

PATUXENT RIVER, MD · ~22,000 people served

Check your exact address → PATUXENT RIVER overview
100
Excellent
PurityRadar safety score

PWSID

MD0180022

State

Maryland

City

PATUXENT RIVER

Population served

22,000

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 Sep 2025). Levels in parts per trillion (ppt).

Lithium

14,700 ppt

limit —

No federal limit

Violations & enforcement

38

Violations on record

0

Unaddressed

1

Health-based

80

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jun 2024. Official EPA record →

Monitoring & reporting · Total trihalomethanes (TTHM) began Jun 2023 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2022 Resolved
Monitoring & reporting · Nitrate began Jan 2022 Resolved
Monitoring & reporting · Fluoride began Jan 2020 Resolved
Monitoring & reporting · Arsenic began Oct 2011 Resolved
Monitoring & reporting · Arsenic began Apr 2011 Resolved
Monitoring & reporting · Total coliform began Jul 2010 Resolved
Monitoring & reporting · Total coliform began Jan 2010 Resolved
Monitoring & reporting · Nitrate began Jan 2010 Resolved
Monitoring & reporting · Total coliform began May 2009 Resolved
Monitoring & reporting · Total coliform began Apr 2009 Resolved
Monitoring & reporting · Nitrate began Jan 2009 Resolved

Recent enforcement actions

  • State action · SIF Jun 2024
  • State action · SIA Apr 2024
  • State action · SIE Apr 2024
  • State action · SIE Apr 2024
  • State action · SIA Apr 2024
  • State action · SOX Apr 2024
  • State action · SIF Oct 2023
  • State action · SIF Oct 2023

This profile is built from EPA public records for system MD0180022 — 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.