Is CALMAR WATER SUPPLY required to publish a Consumer Confidence Report?

Yes. CALMAR 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 CALMAR WATER SUPPLY’s next Consumer Confidence Report due?

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

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.

CALMAR, IA · Winneshiek County

CALMAR WATER SUPPLY Water System

Consumer Confidence Report status

CALMAR 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 CALMAR 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): IA9615064
System type: Community Water System
Population served: 1,125
Service connections: 540
Ownership: local government
Water source: groundwater (wells)

CALMAR WATER SUPPLY is one of 403 community water systems in Iowa in the 501 to 3,300 people size category, serving 1,125 people from groundwater.

As of August 1, 2026, its federal record holds 2 entries in 1999, all of which EPA lists as closed. Nothing has been added since 1999.

None of the 2 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves the Total Coliform Rules.

Violation history

Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 1999 – September 30, 1999
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 1999 – August 31, 1999
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
September 1, 1999 – September 30, 1999	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
August 1, 1999 – August 31, 1999	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

March 4, 2003State Public Notification received1 linked violation
March 4, 2003State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
March 4, 2003State Public Notification received3 linked violations
March 4, 2003State Public Notification received1 linked violation
January 24, 2003State Public Notification requested1 linked violation
January 24, 2003State Public Notification requested2 linked violations
January 24, 2003State Formal Notice of Violation issued1 linked violation
January 24, 2003State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
January 13, 2003State Compliance achieved1 linked violation
July 11, 2000State Compliance achieved2 linked violations
February 2, 2000State Compliance achieved2 linked violations
September 27, 1999State Administrative/Compliance Order without penalty issued2 linked violations
September 27, 1999State Administrative/Compliance Order without penalty issued3 linked violations
September 2, 1999State Public Notification requested5 linked violations
October 1, 1995State Compliance achieved1 linked violation
September 3, 1993State Formal Notice of Violation issued1 linked violation
September 3, 1993State Public Notification requested1 linked violation
December 28, 1989State Formal Notice of Violation issued2 linked violations
February 16, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
January 19, 1982State Unresolved5 linked violations

Common questions

Is CALMAR WATER SUPPLY required to publish a Consumer Confidence Report?: Yes. CALMAR 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 CALMAR WATER SUPPLY’s next Consumer Confidence Report due?: CALMAR WATER SUPPLY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CALMAR WATER SUPPLY have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for CALMAR 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

CALMAR WATER SUPPLY

319-361-2505

CALMAR, IA 52132