TIFFIN, IA · Johnson County
TIFFIN WATER SUPPLY Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)
- IA5288021
- System type
- Community Water System
- Population served
- 4,512
- Service connections
- 1,500
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Monitoring, Routine Major (TCR)
—Coliform (TCR)
June 1, 2014 – June 30, 2014
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 2001 – September 30, 2001
ResolvedMaximum Contaminant Level Violation, Single Sample
Health-basedCombined Radium (-226 and -228)
January 1, 1987 – March 31, 1987
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| June 1, 2014 – June 30, 2014 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| September 1, 2001 – September 30, 2001 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| January 1, 1987 – March 31, 1987 | Maximum Contaminant Level Violation, Single Sample | Combined Radium (-226 and -228) | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- July 17, 2014State Formal Notice of Violation issued6 linked violations
- July 10, 2008State Compliance achieved6 linked violations
- February 6, 2008State Bilateral Compliance Agreement signed6 linked violations
- November 19, 2007State Public Notification received6 linked violations
- October 31, 2007State Formal Notice of Violation issued2 linked violations
- October 31, 2007State Formal Notice of Violation issued3 linked violations
- October 25, 2001State Public Notification requested8 linked violations
- October 25, 2001State Formal Notice of Violation issued9 linked violations
Contact
TIFFIN WATER SUPPLY
319-631-1698
TIFFIN, IA 52340-0259