OLDS, IA · Louisa County
COLUMBUS CITY PUBLIC WATER SUPPLY Water System
Consumer Confidence Report status
COLUMBUS CITY PUBLIC 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 CITY PUBLIC 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)
- IA5809063
- System type
- Community Water System
- Population served
- 392
- Service connections
- 161
- Ownership
- local government
- Water source
- groundwater (wells)
COLUMBUS CITY PUBLIC WATER SUPPLY is one of 1,221 community water systems in Iowa in the 500 or fewer people size category, serving 392 people from groundwater.
As of August 1, 2026, its federal record holds 8 entries between 1988 and 2022, all of which EPA lists as closed. Nothing has been added since 2022.
Of the 8, 7 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, the Total Coliform Rules, and the Consumer Confidence Rule.
Violation history
Monitoring, Routine (RTCR)
—Revised Total Coliform Rule
February 1, 2022 – February 28, 2022
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2017 – August 28, 2011
ResolvedMonitoring, Regular
—Barium
April 1, 1988 – March 31, 1991
ResolvedMonitoring, Regular
—Cadmium
April 1, 1988 – March 31, 1991
ResolvedMonitoring, Regular
—Fluoride
April 1, 1988 – March 31, 1991
ResolvedMonitoring, Regular
—Mercury
April 1, 1988 – March 31, 1991
ResolvedMonitoring, Regular
—Selenium
April 1, 1988 – March 31, 1991
ResolvedMonitoring, Regular
—Arsenic
April 1, 1988 – March 31, 1991
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| February 1, 2022 – February 28, 2022 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 1, 2017 – August 28, 2011 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| April 1, 1988 – March 31, 1991 | Monitoring, Regular | Barium | — | Resolved |
| April 1, 1988 – March 31, 1991 | Monitoring, Regular | Cadmium | — | Resolved |
| April 1, 1988 – March 31, 1991 | Monitoring, Regular | Fluoride | — | Resolved |
| April 1, 1988 – March 31, 1991 | Monitoring, Regular | Mercury | — | Resolved |
| April 1, 1988 – March 31, 1991 | Monitoring, Regular | Selenium | — | Resolved |
| April 1, 1988 – March 31, 1991 | Monitoring, Regular | Arsenic | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- September 25, 2025State Public Notification received1 linked violation
- August 21, 2025State Compliance achieved1 linked violation
- August 14, 2025State Formal Notice of Violation issued1 linked violation
- August 14, 2025State Public Notification requested1 linked violation
- April 26, 2022State Public Notification received1 linked violation
- April 26, 2022State Public Notification received1 linked violation
- March 30, 2022State Public Notification requested1 linked violation
- March 30, 2022State Formal Notice of Violation issued1 linked violation
- March 30, 2022State Public Notification requested1 linked violation
- March 30, 2022State Formal Notice of Violation issued1 linked violation
- March 8, 2022State Compliance achieved1 linked violation
- October 16, 2018State Public Notification requested2 linked violations
- August 28, 2011State Compliance achieved1 linked violation
- September 27, 1994State Public Notification requested3 linked violations
- April 15, 1991State Compliance achieved1 linked violation
- April 15, 1991State Compliance achieved1 linked violation
- April 15, 1991State Compliance achieved3 linked violations
- April 15, 1991State Compliance achieved6 linked violations
- April 15, 1991State Compliance achieved1 linked violation
- June 15, 1988State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
- June 15, 1988State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
- June 15, 1988State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
Common questions
Is COLUMBUS CITY PUBLIC WATER SUPPLY required to publish a Consumer Confidence Report?
- Yes. COLUMBUS CITY PUBLIC 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 CITY PUBLIC WATER SUPPLY’s next Consumer Confidence Report due?
- COLUMBUS CITY PUBLIC WATER SUPPLY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does COLUMBUS CITY PUBLIC 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 CITY PUBLIC 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 CITY PUBLIC WATER SUPPLY
319-931-0004
OLDS, IA 52647