AUDUBON, IA · Audubon County
AUDUBON WATER SUPPLY Water System
Consumer Confidence Report status
AUDUBON 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 AUDUBON 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)
- IA0505077
- System type
- Community Water System
- Population served
- 2,053
- Service connections
- 1,200
- Ownership
- local government
- Water source
- groundwater (wells)
AUDUBON WATER SUPPLY is one of 403 community water systems in Iowa in the 501 to 3,300 people size category, serving 2,053 people from groundwater.
As of August 1, 2026, its federal record holds 3 entries between 1992 and 2007, all of which EPA lists as closed. Nothing has been added since 2007.
Of the 3, 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 and inorganic chemicals.
Violation history
Monitoring, Regular
—Nitrate
October 1, 2007 – December 31, 2007
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 2001 – August 31, 2001
ResolvedMaximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
March 1, 1992 – March 31, 1992
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2007 – December 31, 2007 | Monitoring, Regular | Nitrate | — | Resolved |
| August 1, 2001 – August 31, 2001 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| March 1, 1992 – March 31, 1992 | Maximum Contaminant Level Violation, Acute (TCR) | Coliform (TCR) | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- March 1, 2002State Compliance achieved5 linked violations
- May 31, 1992State Compliance achieved2 linked violations
- September 30, 1984Federal issued Formal Notice of Violationgeneral compliance action — not tied to a specific violation on record
- January 26, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
Common questions
Is AUDUBON WATER SUPPLY required to publish a Consumer Confidence Report?
- Yes. AUDUBON 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 AUDUBON WATER SUPPLY’s next Consumer Confidence Report due?
- AUDUBON WATER SUPPLY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does AUDUBON WATER SUPPLY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for AUDUBON 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
AUDUBON WATER SUPPLY
712-563-2890
AUDUBON, IA 50025