MARBLE ROCK, IA · Floyd County
MARBLE ROCK WATER SUPPLY Water System
Consumer Confidence Report status
MARBLE ROCK 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 MARBLE ROCK 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)
- IA3420031
- System type
- Community Water System
- Population served
- 272
- Service connections
- 180
- Ownership
- local government
- Water source
- groundwater (wells)
MARBLE ROCK WATER SUPPLY is one of 1,221 community water systems in Iowa in the 500 or fewer people size category, serving 272 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 2008, all of which EPA lists as closed. Nothing has been added since 2008.
All 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 Lead and Copper Rule.
Violation history
Follow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
July 1, 2008 – May 13, 2009
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2008 – May 13, 2009 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
No enforcement actions on record for this system.
Common questions
Is MARBLE ROCK WATER SUPPLY required to publish a Consumer Confidence Report?
- Yes. MARBLE ROCK 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 MARBLE ROCK WATER SUPPLY’s next Consumer Confidence Report due?
- MARBLE ROCK WATER SUPPLY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MARBLE ROCK WATER SUPPLY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for MARBLE ROCK 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
MARBLE ROCK WATER SUPPLY
641-315-2621
MARBLE ROCK, IA 50653