ROCK RAPIDS, IA · Lyon County
ROCK RAPIDS MUNICIPAL WATER WORKS Water System
Consumer Confidence Report status
ROCK RAPIDS MUNICIPAL 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 ROCK RAPIDS MUNICIPAL 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)
- IA6065092
- System type
- Community Water System
- Population served
- 2,611
- Service connections
- 1,147
- Ownership
- local government
- Water source
- groundwater (wells)
ROCK RAPIDS MUNICIPAL WATER WORKS is one of 403 community water systems in Iowa in the 501 to 3,300 people size category, serving 2,611 people from groundwater.
As of August 1, 2026, its federal record holds 2 entries between 1991 and 2002, all of which EPA lists as closed. Nothing has been added since 2002.
All 2 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 Total Coliform Rules.
Violation history
Monitoring, Regular
—Arsenic
January 1, 2002 – December 31, 2002
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
June 1, 1991 – June 30, 1991
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2002 – December 31, 2002 | Monitoring, Regular | Arsenic | — | Resolved |
| June 1, 1991 – June 30, 1991 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- February 20, 2003State Public Notification received3 linked violations
- February 3, 2003State Compliance achieved2 linked violations
Common questions
Is ROCK RAPIDS MUNICIPAL WATER WORKS required to publish a Consumer Confidence Report?
- Yes. ROCK RAPIDS MUNICIPAL 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 ROCK RAPIDS MUNICIPAL WATER WORKS’s next Consumer Confidence Report due?
- ROCK RAPIDS MUNICIPAL WATER WORKS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does ROCK RAPIDS MUNICIPAL WATER WORKS have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for ROCK RAPIDS MUNICIPAL 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
ROCK RAPIDS MUNIC WATER WORKS
712-472-2511
ROCK RAPIDS, IA 51246