MAQUOKETA, IA · Clinton County
DELMAR WATER SUPPLY Water System
Consumer Confidence Report status
DELMAR WATER SUPPLY 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 DELMAR WATER SUPPLY.
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 Iowa’s official records. Always confirm current status with Iowa before making decisions based on this information.
System facts
- System ID (PWSID)
- IA2328024
- System type
- Community Water System
- Population served
- 542
- Service connections
- 218
- Ownership
- local government
- Water source
- groundwater (wells)
DELMAR WATER SUPPLY is one of 403 community water systems in Iowa in the 501 to 3,300 people size category, serving 542 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
- June 15, 2020State Public Notification received10 linked violations
- December 2, 1992State Public Notification received3 linked violations
- November 13, 1992State Formal Notice of Violation issued3 linked violations
Common questions
Is DELMAR WATER SUPPLY required to publish a Consumer Confidence Report?
- Yes. DELMAR WATER SUPPLY 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 DELMAR WATER SUPPLY’s next Consumer Confidence Report due?
- DELMAR WATER SUPPLY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does DELMAR WATER SUPPLY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for DELMAR WATER SUPPLY.
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
DELMAR WATER SUPPLY
563-212-0543
MAQUOKETA, IA 52060