Is CARTER LAKE WATER DISTRICT required to publish a Consumer Confidence Report?

Yes. CARTER LAKE WATER DISTRICT 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 CARTER LAKE WATER DISTRICT’s next Consumer Confidence Report due?

CARTER LAKE WATER DISTRICT’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.

CARTER LAKE, IA · Pottawattamie County

CARTER LAKE WATER DISTRICT Water System

Consumer Confidence Report status

CARTER LAKE WATER DISTRICT 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 1 item for CARTER LAKE WATER DISTRICT that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

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): IA7812079
System type: Community Water System
Population served: 3,791
Service connections: 1,306
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

CARTER LAKE WATER DISTRICT is one of 91 community water systems in Iowa in the 3,301 to 10,000 people size category, serving 3,791 people from surface water.

As of August 1, 2026, its federal record holds 8 entries between 2008 and 2022, of which 1 remains open; none are health-based.

Of the 8, 3 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 Stage 1 Disinfectants and Disinfection Byproducts Rule, the Stage 2 Disinfectants and Disinfection Byproducts Rule, and the Public Notice Rule and Revised PN Rule.

Violation history

Monitoring and Reporting (DBP)
—
TTHM
June 1, 2022 – June 30, 2022
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
June 1, 2022 – June 30, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
May 22, 2022
Unaddressed
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
December 1, 2021 – December 31, 2021
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2011 – December 31, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2011 – September 30, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2011 – March 31, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2008 – June 30, 2008
Resolved

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Period	Violation	Contaminant / rule	Health-based	Status
June 1, 2022 – June 30, 2022	Monitoring and Reporting (DBP)	TTHM	—	Resolved
June 1, 2022 – June 30, 2022	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
May 22, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
December 1, 2021 – December 31, 2021	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2011 – December 31, 2011	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2011 – September 30, 2011	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2011 – March 31, 2011	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2008 – June 30, 2008	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Enforcement actions

No enforcement actions on record for this system.

Common questions

Is CARTER LAKE WATER DISTRICT required to publish a Consumer Confidence Report?: Yes. CARTER LAKE WATER DISTRICT 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 CARTER LAKE WATER DISTRICT’s next Consumer Confidence Report due?: CARTER LAKE WATER DISTRICT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CARTER LAKE WATER DISTRICT have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show 1 item for CARTER LAKE WATER DISTRICT that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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

CARTER LAKE WATER DISTRICT

712-347-6320

CARTER LAKE, IA 51510