Is ROCK VALLEY RURAL WATER DISTRICT required to publish a Consumer Confidence Report?

Yes. ROCK VALLEY RURAL WATER DISTRICT 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 ROCK VALLEY RURAL WATER DISTRICT’s next Consumer Confidence Report due?

ROCK VALLEY RURAL WATER DISTRICT’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.

ROCK VALLEY, IA · Sioux County

ROCK VALLEY RURAL WATER DISTRICT Water System

Consumer Confidence Report status

ROCK VALLEY RURAL WATER DISTRICT 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 ROCK VALLEY RURAL WATER DISTRICT.

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): IA8482701
System type: Community Water System
Population served: 2,230
Service connections: 892
Ownership: privately owned
Water source: groundwater (wells)

ROCK VALLEY RURAL WATER DISTRICT is one of 403 community water systems in Iowa in the 501 to 3,300 people size category, serving 2,230 people from groundwater.

As of August 1, 2026, its federal record holds 3 entries between 1987 and 1995, all of which EPA lists as closed. Nothing has been added since 1995.

All 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 volatile organic chemicals and inorganic chemicals.

Violation history

Monitoring, Regular
—
Xylenes, Total
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
Ethylbenzene
April 1, 1995 – June 30, 1995
Resolved
Monitoring, Regular
—
Nitrate
July 1, 1987 – June 30, 1990
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
April 1, 1995 – June 30, 1995	Monitoring, Regular	Xylenes, Total	—	Resolved
April 1, 1995 – June 30, 1995	Monitoring, Regular	Ethylbenzene	—	Resolved
July 1, 1987 – June 30, 1990	Monitoring, Regular	Nitrate	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

September 30, 2016State Compliance achieved2 linked violations
September 6, 2016State Public Notification received2 linked violations
November 1, 2005State Formal Notice of Violation issued2 linked violations
November 1, 2005State Public Notification requested6 linked violations
January 27, 1997State Formal Notice of Violation issued1 linked violation
January 27, 1997State Public Notification requested1 linked violation
January 27, 1997State Public Notification requested1 linked violation
January 27, 1997State Formal Notice of Violation issued1 linked violation
May 30, 1996State Compliance achieved3 linked violations
February 23, 1996State Public Notification requested4 linked violations
January 30, 1996State Compliance achieved4 linked violations
August 18, 1995State Public Notification requested2 linked violations
February 18, 1994State Formal Notice of Violation issued4 linked violations
February 18, 1994State Public Notification requested4 linked violations
April 28, 1993State Public Notification requested5 linked violations
April 28, 1993State Compliance achieved5 linked violations
January 18, 1991State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
November 21, 1990State Compliance achieved1 linked violation
November 21, 1990State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
November 21, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
October 1, 1990State Compliance achievedgeneral compliance action — not tied to a specific violation on record

Common questions

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

ROCK VALLEY RURAL WATER DISTRICT

712-476-5246

ROCK VALLEY, IA 51247