Public Water Partners

WINTERTHUR, DE · New Castle County

WINTERTHUR Water System

Consumer Confidence Report status

WINTERTHUR must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for WINTERTHUR.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Delaware’s official records. Always confirm current status with Delaware before making decisions based on this information.

System facts

System ID (PWSID)
DE0000503
System type
Community Water System
Population served
687
Service connections
39
Ownership
privately owned
Water source
groundwater (wells)

WINTERTHUR is one of 90 community water systems in Delaware in the 501 to 3,300 people size category, serving 687 people from groundwater.

As of August 1, 2026, EPA's published records contain no violations for this system.

Violation history

No violations on record for this system.

Enforcement actions

No enforcement actions on record for this system.

Common questions

Is WINTERTHUR required to publish a Consumer Confidence Report?

Yes. WINTERTHUR is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is WINTERTHUR’s next Consumer Confidence Report due?

WINTERTHUR’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does WINTERTHUR have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for WINTERTHUR.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

CASTLE, JOHN

302-888-4954

WINTERTHUR, DE 19735