Delaware Water Systems

Delaware public water system directory

This directory lists the public water system profiles currently available for Delaware. It is not a complete statewide inventory, and it is not an address-level service lookup.

Compare Systems

3 available Delaware system records

Compare the PWSID, linked community, source-water context, and report year currently available for each Delaware record.

All systems are shown.

PWSIDSystemCitiesCountiesSource waterViolation records shownLatest CCR
DE0000663WILMINGTON WATER DEPARTMENTWilmingtonNot verifiedSurface water from the Brandywine Creek watershedNo violation records shown in available records2025
DE0000630NEWARK WATER DEPARTMENTNewarkNot verifiedSurface water and groundwaterNo violation records shown in available records2025
DE0000602LEWES BOARD OF PUBLIC WORKSLewesNot verifiedGroundwaterNo violation records shown in available records2025
PWSIDDE0000663
SystemWILMINGTON WATER DEPARTMENT
CitiesWilmington
CountiesNot verified
Source waterSurface water from the Brandywine Creek watershed
Violation records shownNo violation records shown in available records
Latest CCR2025
PWSIDDE0000630
SystemNEWARK WATER DEPARTMENT
CitiesNewark
CountiesNot verified
Source waterSurface water and groundwater
Violation records shownNo violation records shown in available records
Latest CCR2025
PWSIDDE0000602
SystemLEWES BOARD OF PUBLIC WORKS
CitiesLewes
CountiesNot verified
Source waterGroundwater
Violation records shownNo violation records shown in available records
Latest CCR2025

Profiles

Open a Delaware public water system profile

Each of these 3 profiles keeps its source links, annual-report details, limitations, and summarized CCR entries together.

Last updated: EPA data

WILMINGTON WATER DEPARTMENT

PWSID DE0000663

View system profile

System-level profile for Wilmington. Use it to review report-year context, source links, available violation records, contaminant relationships, and limitations.

System type
Communities
Wilmington
Counties
County not listed
Latest CCR
2025
Last updated: EPA data

NEWARK WATER DEPARTMENT

PWSID DE0000630

View system profile

System-level profile for Newark. Use it to review report-year context, source links, available violation records, contaminant relationships, and limitations.

System type
Communities
Newark
Counties
County not listed
Latest CCR
2025
Last updated: EPA data

LEWES BOARD OF PUBLIC WORKS

PWSID DE0000602

View system profile

System-level profile for Lewes. Use it to review report-year context, source links, available violation records, contaminant relationships, and limitations.

System type
Communities
Lewes
Counties
County not listed
Latest CCR
2025