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

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

HANCOCK 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.

HANCOCK, IA · Pottawattamie County

HANCOCK WATER SUPPLY Water System

Consumer Confidence Report status

HANCOCK 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 HANCOCK 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): IA7833025
System type: Community Water System
Population served: 200
Service connections: 114
Ownership: local government
Water source: groundwater (wells)

HANCOCK WATER SUPPLY is one of 1,221 community water systems in Iowa in the 500 or fewer people size category, serving 200 people from groundwater.

As of August 1, 2026, its federal record holds 3 entries between 1992 and 2002, all of which EPA lists as closed. Nothing has been added since 2002.

Of the 3, 1 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 the Radionuclides and Revised Rad Rule.

Violation history

Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2002 – September 30, 2002
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
September 1, 2002 – September 30, 2002
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 1992 – December 31, 1995
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
September 1, 2002 – September 30, 2002	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
September 1, 2002 – September 30, 2002	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 1992 – December 31, 1995	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

March 31, 2003State Compliance achieved2 linked violations
March 31, 2003State Compliance achieved6 linked violations
September 30, 2002State Technical Assistance Visit9 linked violations
September 26, 2002State Public Notification requested4 linked violations
September 26, 2002State Formal Notice of Violation issued5 linked violations
June 8, 1998State Public Notification received2 linked violations
May 18, 1998State Formal Notice of Violation issued1 linked violation
May 18, 1998State Public Notification requested1 linked violation
May 11, 1998State Compliance achieved2 linked violations
January 31, 1997State Public Notification requested2 linked violations
October 30, 1996State Public Notification received2 linked violations
September 23, 1996State Public Notification requested2 linked violations
October 16, 1995State Compliance achieved1 linked violation
June 13, 1994State Public Notification received3 linked violations
May 16, 1994State Formal Notice of Violation issued2 linked violations
August 31, 1992State Public Notification received1 linked violation
August 31, 1992State Public Notification received2 linked violations
August 16, 1991State Public Notification received1 linked violation
July 24, 1991State Formal Notice of Violation issued1 linked violation
July 24, 1991State Public Notification requested1 linked violation
July 24, 1991State Formal Notice of Violation issued2 linked violations
April 17, 1990State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
March 26, 1990State Compliance achieved1 linked violation
March 26, 1990State Compliance achievedgeneral compliance action — not tied to a specific violation on record

Common questions

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

HANCOCK WATER SUPPLY

712-741-5665

HANCOCK, IA 51536