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Water system · PWSID DE0000548

OAK GROVE ESTATES

DOVER, DE · ~150 people served

Check your exact address → DOVER overview
100
Excellent
PurityRadar safety score

PWSID

DE0000548

State

Delaware

City

DOVER

Population served

150

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

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

24

Violations on record

1

Unaddressed

11

Health-based

79

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2022. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Jan 1994 Unaddressed
Max contaminant level (MCL) · Lead & Copper Rule health-based began Jul 2022 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 2015 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2014 Resolved
Other · EPA contaminant 7000 began Jul 2014 Resolved
Other · EPA contaminant 7000 began Jul 2013 Resolved
Other · EPA contaminant 7000 began Jul 2012 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2011 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 2011 Resolved
Other · EPA contaminant 7000 began Jul 2010 Addressed
Other · EPA contaminant 7000 began Jul 2009 Addressed
Max contaminant level (MCL) · Total coliform health-based began Jul 2008 Resolved

Recent enforcement actions

  • State action · SOX Aug 2022
  • State action · SFJ Jul 2022
  • State action · SFH Jul 2022
  • State action · SIE Jul 2022
  • State action · SOX Jun 2016
  • State action · SOX Jul 2015
  • State action · SFJ Jun 2015
  • State action · SIE Jun 2015

This profile is built from EPA public records for system DE0000548 — 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.