LEWES BOARD OF PUBLIC WORKS

LEWES, DE · ~9,627 people served

Check your exact address → LEWES overview

Fair

PurityRadar safety score

PWSID

DE0000602

State

Delaware

City

LEWES

Population served

9,627

Primary source

Groundwater

Score history

▼ 34 points — the score moved from 100 to 66 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 66

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

PFOA

Perfluorooctanoic acid

6.1 ppt

limit 4 ppt

Above EPA limit · 1.5×

PFOS

Perfluorooctanesulfonic acid

4.8 ppt

limit 4 ppt

Above EPA limit · 1.2×

PFHxS

Perfluorohexanesulfonic acid

3.5 ppt

limit 10 ppt

Below EPA limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2018. Official EPA record →

Other · EPA contaminant 7000 began Jul 2015 Resolved

Other · EPA contaminant 7000 began Jul 2013 Resolved

Other · EPA contaminant 7000 began Jul 2002 Resolved

Monitoring & reporting · Lead & Copper Rule began Jan 1994 Resolved

Recent enforcement actions

State action · SOX Aug 2018
State action · SIA Aug 2018
State action · SOX Jul 2015
State action · SII Jul 2015
State action · SOX Aug 2013
State action · SII Aug 2013
EPA/federal action · EOX Aug 2002
State action · SOX Nov 1994

This profile is built from EPA public records for system DE0000602 — 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.