Is WILLIAMSBURG PUBLIC WATER SUPPLY required to publish a Consumer Confidence Report?

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

WILLIAMSBURG PUBLIC 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.

WILLIAMSBURG, IA · Iowa County

WILLIAMSBURG PUBLIC WATER SUPPLY Water System

Consumer Confidence Report status

WILLIAMSBURG PUBLIC 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 WILLIAMSBURG PUBLIC 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): IA4884023
System type: Community Water System
Population served: 3,345
Service connections: 1,332
Ownership: local government
Water source: groundwater (wells)

WILLIAMSBURG PUBLIC WATER SUPPLY is one of 91 community water systems in Iowa in the 3,301 to 10,000 people size category, serving 3,345 people from groundwater.

As of August 1, 2026, its federal record holds 4 entries between 2012 and 2017, all of which EPA lists as closed. Nothing has been added since 2017.

Of the 4, 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 and the Stage 2 Disinfectants and Disinfection Byproducts Rule.

Violation history

Monitoring, Regular
—
Nitrate
July 1, 2017 – June 30, 2018
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2013 – July 31, 2013
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2013 – July 31, 2013
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrite
April 1, 2012 – June 30, 2012
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2017 – June 30, 2018	Monitoring, Regular	Nitrate	—	Resolved
July 1, 2013 – July 31, 2013	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2013 – July 31, 2013	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2012 – June 30, 2012	Maximum Contaminant Level Violation, Single Sample	Nitrite	Health-based	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

April 1, 2024State Public Notification received1 linked violation
December 21, 2023State Formal Notice of Violation issued2 linked violations
March 22, 2019State Public Notification requested4 linked violations
March 4, 2019State Compliance achieved2 linked violations
July 30, 2018State Compliance achieved3 linked violations
July 25, 2018State Public Notification requested3 linked violations
July 25, 2018State Formal Notice of Violation issued3 linked violations
May 26, 2017State Public Notification received2 linked violations
March 21, 2017State Compliance achieved2 linked violations
March 16, 2017State Public Notification requested2 linked violations
September 19, 2013State Public Notification requested2 linked violations
September 19, 2013State Public Notification requested6 linked violations
July 23, 2012State Compliance achieved12 linked violations
July 27, 1998State Compliance achieved3 linked violations
July 22, 1998State Formal Notice of Violation issued5 linked violations
November 23, 1988State Formal Notice of Violation issued1 linked violation
November 23, 1988State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
February 1, 1987State Formal Notice of Violation issued1 linked violation
February 1, 1987State Compliance achieved1 linked violation
January 1, 1987State Formal Notice of Violation issuedgeneral 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 WILLIAMSBURG PUBLIC WATER SUPPLY required to publish a Consumer Confidence Report?: Yes. WILLIAMSBURG PUBLIC 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 WILLIAMSBURG PUBLIC WATER SUPPLY’s next Consumer Confidence Report due?: WILLIAMSBURG PUBLIC WATER SUPPLY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does WILLIAMSBURG PUBLIC WATER SUPPLY have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for WILLIAMSBURG PUBLIC 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

WILLIAMSBURG PUBLIC WATER SUPPLY

319-330-8638

WILLIAMSBURG, IA 52361