Is ROCKWELL CITY WATER SUPPLY required to publish a Consumer Confidence Report?

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

ROCKWELL CITY 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.

ROCKWELL CITY, IA · Calhoun County

ROCKWELL CITY WATER SUPPLY Water System

Consumer Confidence Report status

ROCKWELL CITY 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 ROCKWELL CITY 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): IA1376098
System type: Community Water System
Population served: 2,250
Service connections: 878
Ownership: local government
Water source: groundwater (wells)

ROCKWELL CITY WATER SUPPLY is one of 403 community water systems in Iowa in the 501 to 3,300 people size category, serving 2,250 people from groundwater.

As of August 1, 2026, its federal record holds 1 entry in 2024, all of which EPA lists as closed.

None of the 1 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 Consumer Confidence Rule.

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2024 – August 27, 2024
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2024 – August 27, 2024	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

August 15, 2024State Formal Notice of Violation issued2 linked violations
March 31, 2017State Compliance achieved2 linked violations
December 16, 2016State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
December 16, 2016State Formal Notice of Violation issued11 linked violations
December 16, 2016State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
August 13, 2014State Public Notification received1 linked violation
June 26, 2014State Public Notification requested1 linked violation
June 11, 2014State Compliance achieved1 linked violation
January 9, 1997State Compliance achieved2 linked violations
December 24, 1996State Formal Notice of Violation issued4 linked violations
May 21, 1991State Formal Notice of Violation issued1 linked violation
May 21, 1991State Public Notification requested1 linked violation
May 21, 1991State Formal Notice of Violation issued1 linked violation
May 21, 1991State Public Notification requested1 linked violation
April 23, 1991State Compliance achieved1 linked violation
April 23, 1991State Compliance achieved1 linked violation
September 30, 1984Federal issued Formal Notice of Violation1 linked violation

Common questions

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

ROCKWELL CITY WATER SUPPLY

712-297-5630

ROCKWELL CITY, IA 50579