Is RENWICK MUNIC WATER SUPPLY required to publish a Consumer Confidence Report?

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

RENWICK MUNIC 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.

RENWICK, IA · Humboldt County

RENWICK MUNIC WATER SUPPLY Water System

Consumer Confidence Report status

RENWICK MUNIC 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 RENWICK MUNIC 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): IA4669080
System type: Community Water System
Population served: 234
Service connections: 169
Ownership: local government
Water source: groundwater (wells)

RENWICK MUNIC WATER SUPPLY is one of 1,221 community water systems in Iowa in the 500 or fewer people size category, serving 234 people from groundwater.

As of August 1, 2026, its federal record holds 3 entries between 1998 and 2002, all of which EPA lists as closed. Nothing has been added since 2002.

Of the 3, 2 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 volatile organic chemicals and the Total Coliform Rules.

Violation history

Monitoring, Regular
—
Toluene
October 1, 2002 – September 30, 2005
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 2001 – November 30, 2001
Resolved
Monitoring, Regular
—
Xylenes, Total
October 1, 1998 – December 31, 1998
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
October 1, 2002 – September 30, 2005	Monitoring, Regular	Toluene	—	Resolved
November 1, 2001 – November 30, 2001	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 1998 – December 31, 1998	Monitoring, Regular	Xylenes, Total	—	Archived

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

Enforcement actions

March 17, 2006State Public Notification received1 linked violation
March 17, 2006State Public Notification received16 linked violations
March 17, 2006State Public Notification received24 linked violations
March 17, 2006State Public Notification received2 linked violations
March 17, 2006State Public Notification received5 linked violations
November 22, 2005State Public Notification requested3 linked violations
November 22, 2005State Formal Notice of Violation issued2 linked violations
November 22, 2005State Compliance achieved3 linked violations
November 22, 2005State Compliance achieved3 linked violations
November 22, 2005State Formal Notice of Violation issued13 linked violations
November 22, 2005State Public Notification requested3 linked violations
November 22, 2005State Formal Notice of Violation issued1 linked violation
November 22, 2005State Compliance achieved1 linked violation
November 22, 2005State Public Notification requested3 linked violations
November 22, 2005State Formal Notice of Violation issued3 linked violations
November 22, 2005State Compliance achieved3 linked violations
November 22, 2005State Public Notification requested4 linked violations
November 22, 2005State Formal Notice of Violation issued4 linked violations
November 22, 2005State Compliance achieved4 linked violations
November 22, 2005State Public Notification requested7 linked violations
November 16, 2001State Violation/Reminder Notice5 linked violations
December 22, 1997State Formal Notice of Violation issued1 linked violation
September 9, 1997State Compliance achieved3 linked violations
May 15, 1997State Public Notification requested3 linked violations
May 15, 1997State Formal Notice of Violation issued7 linked violations
May 15, 1997State Formal Notice of Violation issued1 linked violation
May 15, 1997State Public Notification requested1 linked violation
October 5, 1988State Compliance achievedgeneral compliance action — not tied to a specific violation on record
September 28, 1988State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
September 30, 1984Federal issued Formal Notice of Violation2 linked violations

Common questions

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

RENWICK MUNIC WATER SUPPLY

515-825-8122

RENWICK, IA 50577