NEW DESIGN - FREDERICK COUNTY

FREDERICK, MD · ~74,911 people served

Check your exact address → FREDERICK overview

100

Excellent

PurityRadar safety score

PWSID

MD0100030

State

Maryland

City

FREDERICK

Population served

74,911

Primary source

Surface water

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

PFPeA

3.3 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jul 2025. Official EPA record →

Monitoring & reporting · EPA contaminant 2020 began Apr 2023 Resolved

Monitoring & reporting · Gross alpha began Jan 2016 Resolved

Monitoring & reporting · Total coliform began Sep 2011 Resolved

Monitoring & reporting · EPA contaminant 2959 began Jul 2009 Resolved

Recent enforcement actions

State action · SOX Jul 2025
State action · SIF May 2025
State action · SIA Apr 2025
State action · SIE Apr 2025
State action · SIF Apr 2024
State action · SIF Apr 2024
State action · SIF Apr 2024
State action · SIF Apr 2024

This profile is built from EPA public records for system MD0100030 — 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.