DECORAH, IA · Winneshiek County
DECORAH WATER DEPARTMENT Water System
Consumer Confidence Report status
DECORAH WATER DEPARTMENT 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 DECORAH WATER DEPARTMENT.
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)
- IA9630012
- System type
- Community Water System
- Population served
- 7,615
- Service connections
- 2,800
- Ownership
- local government
- Water source
- groundwater (wells)
DECORAH WATER DEPARTMENT is one of 91 community water systems in Iowa in the 3,301 to 10,000 people size category, serving 7,615 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 2010, all of which EPA lists as closed. Nothing has been added since 2010.
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 Total Coliform Rules.
Violation history
Monitoring, Routine Minor (TCR)
—Coliform (TCR)
January 1, 2010 – January 31, 2010
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2010 – January 31, 2010 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- February 23, 1996State Public Notification requested2 linked violations
- February 23, 1996State Formal Notice of Violation issued7 linked violations
- February 23, 1996State Compliance achieved5 linked violations
- February 23, 1996State Public Notification requested5 linked violations
- February 23, 1996State Formal Notice of Violation issued7 linked violations
- January 21, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
Common questions
Is DECORAH WATER DEPARTMENT required to publish a Consumer Confidence Report?
- Yes. DECORAH WATER DEPARTMENT 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 DECORAH WATER DEPARTMENT’s next Consumer Confidence Report due?
- DECORAH WATER DEPARTMENT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does DECORAH WATER DEPARTMENT have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for DECORAH WATER DEPARTMENT.
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
DECORAH WATER DEPARTMENT
563-382-5171
DECORAH, IA 52101-0138