HAMILTON, IA · Marion County
HAMILTON WATER SUPPLY Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of October 28, 2003. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.
If you are a resident looking for your current water provider, see water systems in Marion County, IA.
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)
- IA6309001
- System type
- Community Water System
- Population served
- 144
- Service connections
- 53
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Consumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
October 19, 1999 – November 29, 1999
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
September 1, 1995 – September 30, 1995
ResolvedMaximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
August 1, 1995 – August 31, 1995
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
February 1, 1995 – February 28, 1995
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 19, 1999 – November 29, 1999 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| September 1, 1995 – September 30, 1995 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
| August 1, 1995 – August 31, 1995 | Maximum Contaminant Level Violation, Acute (TCR) | Coliform (TCR) | Health-based | Resolved |
| February 1, 1995 – February 28, 1995 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- May 6, 1996State Compliance achieved1 linked violation
- April 3, 1996State Compliance achieved2 linked violations
- December 28, 1995State Public Notification received5 linked violations
- November 22, 1995State Public Notification requested2 linked violations
- November 22, 1995State Formal Notice of Violation issued8 linked violations
- November 22, 1995State Formal Notice of Violation issued1 linked violation
- October 10, 1995State Public Notification received1 linked violation
- September 12, 1995State Public Notification requested1 linked violation
- September 12, 1995State Formal Notice of Violation issued1 linked violation
- May 1, 1995State Compliance achieved1 linked violation
- April 28, 1995State Public Notification requested4 linked violations
- April 28, 1995State Formal Notice of Violation issued1 linked violation
- February 18, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
Last known contact on file (system is inactive)
Not on record
Phone not on record
HAMILTON, IA 50116