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

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

KNIERIM 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.

FORT DODGE, IA · Calhoun County

KNIERIM WATER SUPPLY Water System

Consumer Confidence Report status

KNIERIM 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 KNIERIM 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): IA1340001
System type: Community Water System
Population served: 53
Service connections: 30
Ownership: local government
Water source: groundwater (wells)

KNIERIM WATER SUPPLY is one of 1,221 community water systems in Iowa in the 500 or fewer people size category, serving 53 people from groundwater.

As of August 1, 2026, its federal record holds 3 entries between 2006 and 2024, all of which EPA lists as closed.

None of the 3 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 inorganic chemicals and the Total Coliform Rules.

Violation history

Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrite
August 1, 2024 – August 31, 2024
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrite
July 1, 2024 – July 31, 2024
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2006 – July 31, 2006
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
August 1, 2024 – August 31, 2024	Maximum Contaminant Level Violation, Single Sample	Nitrite	Health-based	Resolved
July 1, 2024 – July 31, 2024	Maximum Contaminant Level Violation, Single Sample	Nitrite	Health-based	Resolved
July 1, 2006 – July 31, 2006	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

December 12, 2024State Compliance achieved1 linked violation
December 12, 2024State Compliance achieved1 linked violation
December 12, 2024State Compliance achieved2 linked violations
December 12, 2024State Compliance achieved1 linked violation
December 12, 2024State Compliance achieved1 linked violation
December 12, 2024State Compliance achieved1 linked violation
August 9, 2024State Formal Notice of Violation issued2 linked violations
July 19, 2024State Public Notification received2 linked violations
July 12, 2024State Public Notification requested2 linked violations
February 8, 2024State Administrative/Compliance Order without penalty issued1 linked violation
February 8, 2024State Administrative/Compliance Order without penalty issued1 linked violation
February 8, 2024State Administrative/Compliance Order without penalty issued2 linked violations
September 14, 2023State Compliance achieved2 linked violations
June 23, 2023State Public Notification received45 linked violations
January 23, 2023State Administrative/Compliance Order without penalty issued4 linked violations
January 23, 2023State Administrative/Compliance Order without penalty issued1 linked violation
January 23, 2023State Administrative/Compliance Order without penalty issued1 linked violation
January 17, 2023State Public Notification requested2 linked violations
December 16, 2022State Public Notification received2 linked violations
November 28, 2022State Formal Notice of Violation issued2 linked violations
November 8, 2022State Public Notification received2 linked violations
October 25, 2022State Public Notification requested2 linked violations
May 13, 2021State Compliance achieved2 linked violations
November 20, 2020State Public Notification received2 linked violations
November 13, 2020State Formal Notice of Violation issued7 linked violations
October 12, 2020State Public Notification received2 linked violations
August 21, 2019State Formal Notice of Violation issued2 linked violations
July 31, 2006State Public Notification received3 linked violations
July 25, 2006State Public Notification requested4 linked violations
August 25, 2000State Public Notification received3 linked violations
July 20, 2000State Public Notification requested3 linked violations
September 25, 1991State Compliance achieved1 linked violation
September 9, 1991State Public Notification requested2 linked violations
September 9, 1991State Formal Notice of Violation issued2 linked violations
November 21, 1988State Compliance achieved1 linked violation
February 19, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
February 18, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
January 21, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record

Common questions

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

KNIERIM WATER SUPPLY

515-571-5070

FORT DODGE, IA 50501