CROFTON-ODENTON

MILLERSVILLE, MD · ~62,986 people served

Check your exact address → MILLERSVILLE overview

100

Excellent

PurityRadar safety score

PWSID

MD0020008

State

Maryland

City

MILLERSVILLE

Population served

62,986

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 Jun 2024). Levels in parts per trillion (ppt).

Lithium

9,060 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Oct 2025 Resolved

Monitoring & reporting · Lead & Copper Rule began Oct 2022 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2010 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2010 Resolved

Other · EPA contaminant 7000 began Jul 2008 Resolved

Monitoring & reporting · Total coliform began Apr 2008 Resolved

Monitoring & reporting · Total coliform began Jul 1999 Resolved

Recent enforcement actions

State action · SOX Oct 2025
State action · SOX Oct 2022
State action · SOX Aug 2010
State action · SOX Aug 2010
State action · SOX Mar 2009
State action · SOX May 2008
State action · SIE May 2008
State action · SIA May 2008

This profile is built from EPA public records for system MD0020008 — 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.