COLUMBUS JUNCTION, IA · Louisa County
COLUMBUS JUNCTION WATER SUPPLY Water System
Consumer Confidence Report status
COLUMBUS JUNCTION 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 COLUMBUS JUNCTION 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)
- IA5815064
- System type
- Community Water System
- Population served
- 1,830
- Service connections
- 811
- Ownership
- local government
- Water source
- groundwater (wells)
COLUMBUS JUNCTION WATER SUPPLY is one of 403 community water systems in Iowa in the 501 to 3,300 people size category, serving 1,830 people from groundwater.
As of August 1, 2026, its federal record holds 3 entries between 1990 and 2021, all of which EPA lists as closed. Nothing has been added since 2021.
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 inorganic chemicals and the Stage 2 Disinfectants and Disinfection Byproducts Rule.
Violation history
Monitoring and Reporting (DBP)
—TTHM
October 1, 2021 – October 31, 2021
ResolvedMonitoring, Regular
—Nitrate
July 1, 1996 – June 30, 1997
ResolvedMonitoring, Regular
—Nitrate
October 1, 1990 – December 31, 1990
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2021 – October 31, 2021 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| July 1, 1996 – June 30, 1997 | Monitoring, Regular | Nitrate | — | Resolved |
| October 1, 1990 – December 31, 1990 | Monitoring, Regular | Nitrate | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- June 23, 2025State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- March 7, 2025State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
- March 7, 2025State Public Notification requested1 linked violation
- January 18, 2022State Compliance achieved3 linked violations
- July 8, 1997State Formal Notice of Violation issued5 linked violations
- May 19, 1997State Public Notification requested2 linked violations
- May 19, 1997State Formal Notice of Violation issued2 linked violations
- May 2, 1997State Compliance achieved2 linked violations
- May 30, 1996State Compliance achieved3 linked violations
- June 24, 1994State Public Notification requested1 linked violation
- September 30, 1984Federal issued Formal Notice of Violationgeneral compliance action — not tied to a specific violation on record
Common questions
Is COLUMBUS JUNCTION WATER SUPPLY required to publish a Consumer Confidence Report?
- Yes. COLUMBUS JUNCTION 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 COLUMBUS JUNCTION WATER SUPPLY’s next Consumer Confidence Report due?
- COLUMBUS JUNCTION WATER SUPPLY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does COLUMBUS JUNCTION WATER SUPPLY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for COLUMBUS JUNCTION 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
COLUMBUS JUNCTION WATER SUPPLY
319-212-1160
COLUMBUS JUNCTION, IA 52738