Wilmington Water Department

EPA’s September 2026 export lists Wilmington Water Department (PWSID DE0000663) as No current violation flagged, serving a reported 107,976 people from a surface water source, with 0 rules in current violation.

Source: EPA SDWIS system-search export · Snapshot 13 Sep 2026 · Federal compliance fields

CURRENT EXPORTNo current violation flaggedNo current violation is flagged in this EPA export. This is not a household water test.

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01 / CURRENT FLAGS

EPA compliance flags for Wilmington Water Department

Wilmington Water Department is listed as no current violation flagged in the current export; the five federal flag categories remain separate below.

NOT FLAGGED
Health-based violationCurrent HEALTH_FLAG in the EPA export.
NOT FLAGGED
Monitoring and reportingCurrent MR_FLAG in the EPA export.
NOT FLAGGED
Public notificationCurrent PN_FLAG in the EPA export.
NOT FLAGGED
Other violationCurrent OTHER_FLAG in the EPA export.
NOT FLAGGED
Serious violatorCurrent serious-violator status in the EPA export.

Important limit

This page is not a household water test. A clear federal flag does not prove every home has safe water, and a flag is not a measurement at your faucet. Plumbing, service lines, local sampling, private wells, and newer events may not be reflected here.

02 / VIOLATION RECORD

Quarters with violations1rolling history field

Quarters with SNC0significant noncompliance

Rules in current violation0EPA export count

Rules in 3-year window1EPA export count

Current rule entries for Wilmington Water Department

EPA supplied 1 current contaminant, rule, or violation-category entries for Wilmington Water Department in the exported fields used here.

Monitoring Violation

Three-year entries for Wilmington Water Department

EPA supplied 1 contaminant or rule entries for Wilmington Water Department in the three-year history field.

8000=Revised Total Coliform Rule

03 / OVERSIGHT & COVERAGE

Visits and sanitary surveys for Wilmington Water Department

The export lists 3 site visits in five years and 0 significant deficiencies for Wilmington Water Department.

Site visits, past 5 years: 3
Inspection visits: 0
Other visits: 3
Last sanitary survey: 09/13/2023
Last recorded visit: 09/13/2023
Significant deficiencies: 0

Places served by Wilmington Water Department

EPA associates Wilmington Water Department with the listed cities, counties, ZIP codes, and Delaware service area identifiers.

State / territory: Delaware
Cities: WILMINGTON
Counties: New Castle
ZIP codes: Not supplied
Federal PWSID: DE0000663
Registry ID: 110007354086

04 / HOW TO USE THIS RECORD

Current public records for Wilmington Water Department

EPA’s facility report, the Delaware drinking-water program, and Wilmington Water Department’s Consumer Confidence Report are the current public records beyond this September 2026 snapshot.

Confirm current conditions with the utility's latest Consumer Confidence Report, your state drinking-water program, and the EPA facility report. For household concerns, ask a qualified local laboratory about tap testing.

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