REHOBOTH PUMP DISTRICT (TUI)

DOVER, DE · ~81,417 people served

Check your exact address → DOVER overview

Excellent

PurityRadar safety score

PWSID

DE0000991

State

Delaware

City

DOVER

Population served

81,417

Primary source

Groundwater

Score history

▼ 10 points — the score moved from 100 to 90 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 90

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

PFOA

Perfluorooctanoic acid

4.4 ppt

limit 4 ppt

Above EPA limit · 1.1×

PFPeA

7.7 ppt

limit —

No federal limit

PFHxA

6.6 ppt

limit —

No federal limit

PFBS

5.8 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Oct 2017. Official EPA record →

Other · EPA contaminant 7000 began Jul 2002 Resolved

Max contaminant level (MCL) · Total coliform health-based began May 2002 Resolved

Recent enforcement actions

State action · SOX Oct 2017
State action · SIA Sep 2017
State action · SFG Mar 2008
State action · SFJ Mar 2008
State action · SOX Feb 2008
EPA/federal action · EOX Jul 2002
State action · SOX Jun 2002
State action · SFG Jun 2002

This profile is built from EPA public records for system DE0000991 — 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.