DIAGONAL, IA · Ringgold County
DIAGONAL WATER DEPARTMENT Water System
Current status
1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.
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)
- IA8018040
- System type
- Community Water System
- Population served
- 338
- Service connections
- 133
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Public Notification Violation for NPDWR Violation
—Public Notice
March 21, 2025
UnaddressedMonitoring, Regular
—Nitrite
October 1, 2024 – December 31, 2024
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
August 1, 2021 – August 31, 2021
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
October 1, 2019 – October 31, 2019
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
November 23, 2015 – June 1, 2016
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 2015 – July 31, 2015
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
May 1, 2011 – May 31, 2011
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
May 1, 2010 – May 31, 2010
Resolved
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| March 21, 2025 | Public Notification Violation for NPDWR Violation | Public Notice | — | Unaddressed |
| October 1, 2024 – December 31, 2024 | Monitoring, Regular | Nitrite | — | Resolved |
| August 1, 2021 – August 31, 2021 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| October 1, 2019 – October 31, 2019 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| November 23, 2015 – June 1, 2016 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| July 1, 2015 – July 31, 2015 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| May 1, 2011 – May 31, 2011 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| May 1, 2010 – May 31, 2010 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
Enforcement actions
No enforcement actions on record for this system.
Contact
DIAGONAL WATER DEPARTMENT
641-344-4609
DIAGONAL, IA 50845