IONA, ID · Bonneville County
IONA WATER DEPT Water System
Consumer Confidence Report status
IONA WATER DEPT 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 IONA WATER DEPT.
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 Idaho’s official records. Always confirm current status with Idaho before making decisions based on this information.
System facts
- System ID (PWSID)
- ID7100041
- System type
- Community Water System
- Population served
- 2,717
- Service connections
- 1,000
- Ownership
- local government
- Water source
- groundwater (wells)
IONA WATER DEPT is one of 133 community water systems in Idaho in the 501 to 3,300 people size category, serving 2,717 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 1992, all of which EPA lists as closed. Nothing has been added since 1992.
None of the 1 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves the Total Coliform Rules.
Violation history
Maximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
June 1, 1992 – June 30, 1992
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| June 1, 1992 – June 30, 1992 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- November 5, 2015State Public Notification requested2 linked violations
- November 2, 2015State Violation/Reminder Notice1 linked violation
- March 8, 2015State Public Notification requested1 linked violation
- March 5, 2015State Violation/Reminder Notice3 linked violations
- March 5, 2015State Violation/Reminder Notice3 linked violations
- November 8, 2014State Public Notification requested4 linked violations
- December 5, 2011State Public Notification requested7 linked violations
Common questions
Is IONA WATER DEPT required to publish a Consumer Confidence Report?
- Yes. IONA WATER DEPT 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 IONA WATER DEPT’s next Consumer Confidence Report due?
- IONA WATER DEPT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does IONA WATER DEPT have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for IONA WATER DEPT.
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
PROUSE, ZECH
208-523-5600
IONA, ID 83427