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Water system · PWSID MD0150002

TOWN OF POOLESVILLE

POOLESVILLE, MD · ~6,005 people served

Check your exact address → POOLESVILLE overview
60
Fair
PurityRadar safety score

PWSID

MD0150002

State

Maryland

City

POOLESVILLE

Population served

6,005

Primary source

GU

Score history

▼ 40 points — the score moved from 100 to 60 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 60

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

PFOS

Perfluorooctanesulfonic acid

6 ppt

limit 4 ppt

Above EPA limit · 1.5×

PFOA

Perfluorooctanoic acid

4.8 ppt

limit 4 ppt

Above EPA limit · 1.2×

PFHxS

Perfluorohexanesulfonic acid

6.8 ppt

limit 10 ppt

Near EPA limit

Lithium

15,000 ppt

limit —

No federal limit

PFBA

7.7 ppt

limit —

No federal limit

PFHpA

5.4 ppt

limit —

No federal limit

PFPeA

3.8 ppt

limit —

No federal limit

PFHxA

3.5 ppt

limit —

No federal limit

PFBS

3.2 ppt

limit —

No federal limit

Violations & enforcement

44

Violations on record

0

Unaddressed

3

Health-based

143

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2021. Official EPA record →

Monitoring & reporting · Nitrate began Apr 2021 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Jul 2015 Resolved
Monitoring & reporting · Total coliform began Jul 2015 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Apr 2015 Resolved
Monitoring & reporting · Gross alpha began Jan 2015 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2015 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2015 Resolved
Monitoring & reporting · Gross alpha began Jan 2015 Resolved
Monitoring & reporting · Gross alpha began Oct 2014 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2013 Resolved
Monitoring & reporting · EPA contaminant 0999 began Oct 2012 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2012 Resolved

Recent enforcement actions

  • State action · SIA Aug 2021
  • State action · SIE Aug 2021
  • State action · SOX Aug 2021
  • State action · SOX May 2018
  • State action · SOX Nov 2016
  • State action · SIA Nov 2016
  • State action · SIA Nov 2016
  • State action · SOX Jan 2016

This profile is built from EPA public records for system MD0150002 — 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.