MISSOURI VALLEY, IA · Harrison County
MELODY OAKS SUBDIVISION Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of April 2, 2010. 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 Harrison 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)
- IA4344301
- System type
- Community Water System
- Population served
- 40
- Service connections
- 12
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Maximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 2009 – September 30, 2009
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
July 1, 2009 – July 31, 2009
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
January 1, 2009 – January 31, 2009
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
September 1, 1995 – September 30, 1995
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 1991 – June 30, 1995
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| September 1, 2009 – September 30, 2009 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| July 1, 2009 – July 31, 2009 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| January 1, 2009 – January 31, 2009 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| September 1, 1995 – September 30, 1995 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 1991 – June 30, 1995 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- March 20, 2006State Compliance achieved3 linked violations
- February 27, 2006State Public Notification requested3 linked violations
- August 1, 2002State Compliance achieved30 linked violations
- September 2, 1997State Compliance achieved1 linked violation
- August 25, 1997State Public Notification requested1 linked violation
- August 25, 1997State Formal Notice of Violation issued1 linked violation
- August 24, 1997State Compliance achieved2 linked violations
- August 24, 1997State Compliance achieved2 linked violations
- August 20, 1997State Compliance achieved1 linked violation
- July 29, 1997State Bilateral Compliance Agreement signedgeneral compliance action — not tied to a specific violation on record
- February 13, 1997State Public Notification requested1 linked violation
- February 13, 1997State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- February 13, 1997State Public Notification requested8 linked violations
- December 22, 1995State Public Notification requested3 linked violations
- November 22, 1995State Formal Notice of Violation issued1 linked violation
- November 14, 1995State Public Notification received1 linked violation
- July 31, 1995State Public Notification requested4 linked violations
- July 31, 1995State Formal Notice of Violation issued3 linked violations
- March 1, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
- February 19, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
- February 16, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
- February 5, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
- January 21, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
Last known contact on file (system is inactive)
MELODY OAKS LOWER WELL ASSOC
712-642-4729
MISSOURI VALLEY, IA 51555