DOVER AIR FORCE BASE

DOVER, DE · ~11,000 people served

Check your exact address → DOVER overview

100

Excellent

PurityRadar safety score

PWSID

DE0000579

State

Delaware

City

DOVER

Population served

11,000

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 2023). Levels in parts per trillion (ppt).

Lithium

15,000 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Nov 2013. Official EPA record →

Monitoring & reporting · Total coliform began Sep 2013 Resolved

Other · EPA contaminant 7500 began Aug 2011 Resolved

Max contaminant level (MCL) · Total coliform health-based began May 2004 Resolved

Recent enforcement actions

State action · SIF Nov 2013
State action · SIE Oct 2013
State action · SFJ Oct 2013
State action · SOX Sep 2013
State action · SOX Aug 2011
State action · SFJ Aug 2011
State action · SOX Jun 2004
State action · SFG May 2004

This profile is built from EPA public records for system DE0000579 — 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.