Is THOR WATER WORKS required to publish a Consumer Confidence Report?

Yes. THOR WATER WORKS 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 THOR WATER WORKS’s next Consumer Confidence Report due?

THOR WATER WORKS’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.

VINCENT, IA · Humboldt County

THOR WATER WORKS Water System

Consumer Confidence Report status

THOR WATER WORKS 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 THOR WATER WORKS.

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): IA4680018
System type: Community Water System
Population served: 181
Service connections: 80
Ownership: local government
Water source: groundwater (wells)

THOR WATER WORKS is one of 1,221 community water systems in Iowa in the 500 or fewer people size category, serving 181 people from groundwater.

As of August 1, 2026, its federal record holds 6 entries between 1984 and 2006, all of which EPA lists as closed. Nothing has been added since 2006.

Of the 6, 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 inorganic chemicals, the Consumer Confidence Rule, and the Total Coliform Rules.

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2006 – September 11, 2008
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2006 – December 31, 2006
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
August 1, 1991 – August 31, 1991
Resolved
Monitoring, Regular
—
Chromium
October 1, 1987 – September 30, 1990
Resolved
Monitoring, Regular
—
Mercury
October 1, 1987 – September 30, 1990
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
July 1, 1984 – June 30, 1988
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2006 – September 11, 2008	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Nitrate	—	Resolved
August 1, 1991 – August 31, 1991	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 1987 – September 30, 1990	Monitoring, Regular	Chromium	—	Resolved
October 1, 1987 – September 30, 1990	Monitoring, Regular	Mercury	—	Resolved
July 1, 1984 – June 30, 1988	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

February 16, 2021State Public Notification requested16 linked violations
January 6, 2014State Compliance achieved26 linked violations
February 8, 2007State Compliance achieved5 linked violations
January 22, 2007State Public Notification requested4 linked violations
November 18, 2002State Compliance achieved4 linked violations
December 14, 1999State Public Notification requested7 linked violations
December 7, 1999State Formal Notice of Violation issued3 linked violations
December 7, 1999State Public Notification requested4 linked violations
February 23, 1996State Formal Notice of Violation issued3 linked violations
November 28, 1994State Public Notification requested29 linked violations
March 5, 1991State Compliance achieved2 linked violations
November 6, 1990State Compliance achieved1 linked violation
November 6, 1990State Compliance achieved2 linked violations
November 6, 1990State Compliance achieved2 linked violations
November 5, 1990State Compliance achieved2 linked violations
September 29, 1988State Public Notification received1 linked violation
September 17, 1988State Formal Notice of Violation issued3 linked violations
September 17, 1988State Formal Notice of Violation issued4 linked violations
February 10, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record

Common questions

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

THOR WATER WORKS

515-356-4151

VINCENT, IA 50594