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

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

COLESBURG 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.

COLESBURG, IA · Delaware County

COLESBURG WATER SUPPLY Water System

Consumer Confidence Report status

COLESBURG 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 COLESBURG 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): IA2809055
System type: Community Water System
Population served: 386
Service connections: 190
Ownership: local government
Water source: groundwater (wells)

COLESBURG WATER SUPPLY is one of 1,221 community water systems in Iowa in the 500 or fewer people size category, serving 386 people from groundwater.

As of August 1, 2026, its federal record holds 3 entries between 2006 and 2012, all of which EPA lists as closed. Nothing has been added since 2012.

Of the 3, 1 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Total Coliform Rules and the Radionuclides and Revised Rad Rule.

Violation history

Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2012 – July 31, 2012
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
July 1, 2012 – July 31, 2012
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
April 1, 2006 – March 31, 2012
Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2012 – July 31, 2012	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2012 – July 31, 2012	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
April 1, 2006 – March 31, 2012	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

August 29, 2012State Compliance achieved3 linked violations
July 23, 2012State Public Notification received2 linked violations
July 23, 2012State Public Notification received1 linked violation
July 17, 2012State Public Notification requested1 linked violation
July 17, 2012State Public Notification requested1 linked violation
July 17, 2012State Formal Notice of Violation issued3 linked violations
July 13, 2012State Violation/Reminder Notice1 linked violation
October 8, 1990State Formal Notice of Violation issued1 linked violation
September 25, 1990State Compliance achieved1 linked violation
July 24, 1990State Formal Notice of Violation issued1 linked violation
July 24, 1990State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
June 25, 1990State Compliance achievedgeneral compliance action — not tied to a specific violation on record
June 25, 1990State Compliance achieved1 linked violation
January 9, 1989State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
January 9, 1989State Compliance achieved1 linked violation
October 15, 1987State Compliance achievedgeneral compliance action — not tied to a specific violation on record
October 15, 1987State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
September 21, 1987State Formal Notice of Violation issued1 linked violation

Common questions

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

COLESBURG WATER SUPPLY

563-856-3185

COLESBURG, IA 52035