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

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

SHELBY 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.

SHELBY, IA · Shelby County

SHELBY WATER SUPPLY Water System

Consumer Confidence Report status

SHELBY 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 SHELBY 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): IA8369038
System type: Community Water System
Population served: 727
Service connections: 334
Ownership: local government
Water source: groundwater (wells)

SHELBY WATER SUPPLY is one of 403 community water systems in Iowa in the 501 to 3,300 people size category, serving 727 people from groundwater.

As of August 1, 2026, its federal record holds 4 entries between 1993 and 2010, all of which EPA lists as closed. Nothing has been added since 2010.

All 4 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 Total Coliform Rules and inorganic chemicals.

Violation history

Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2010 – September 30, 2010
Resolved
Monitoring, Regular
—
Nitrate
July 1, 1997 – September 30, 1997
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 1997 – June 30, 1997
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
August 1, 1993 – August 31, 1993
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
September 1, 2010 – September 30, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 1997 – September 30, 1997	Monitoring, Regular	Nitrate	—	Resolved
June 1, 1997 – June 30, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
August 1, 1993 – August 31, 1993	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

April 27, 2022State Public Notification received2 linked violations
March 1, 2022State Public Notification requested8 linked violations
November 22, 2021State Formal Notice of Violation issued9 linked violations
April 21, 2005State Public Notification requested5 linked violations
April 21, 2005State Formal Notice of Violation issued6 linked violations
August 3, 1998State Formal Notice of Violation issued1 linked violation
July 20, 1998State Public Notification requested2 linked violations
March 2, 1998State Compliance achieved1 linked violation
February 12, 1998State Public Notification requested9 linked violations
February 12, 1998State Bilateral Compliance Agreement signed1 linked violation
February 12, 1998State Formal Notice of Violation issued4 linked violations
February 12, 1998State Public Notification requested1 linked violation
June 6, 1996State Formal Notice of Violation issued1 linked violation
June 6, 1996State Public Notification requested1 linked violation
October 8, 1995State Compliance achieved9 linked violations
October 8, 1995State Compliance achieved5 linked violations
October 8, 1995State Compliance achieved3 linked violations
October 15, 1993State Formal Notice of Violation issued31 linked violations
October 15, 1993State Formal Notice of Violation issued3 linked violations
October 15, 1993State Formal Notice of Violation issued3 linked violations
October 15, 1993State Public Notification requested3 linked violations
October 15, 1993State Public Notification requested2 linked violations
September 2, 1993State Public Notification requested2 linked violations

Common questions

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

SHELBY WATER SUPPLY

402-679-7040

SHELBY, IA 51570