MARSHALLTOWN, IA · Harrison County
MONDAMIN 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)
- IA4349094
- System type
- Community Water System
- Population served
- 339
- Service connections
- 185
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Consumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2014 – June 1, 2015
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
October 1, 2012 – September 30, 2018
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2010 – August 8, 2010
ResolvedMonitoring, Regular
—Picloram
April 1, 2002 – March 31, 2008
ResolvedMonitoring, Regular
—Atrazine
April 1, 2002 – March 31, 2008
ResolvedMonitoring, Regular
—LASSO
April 1, 2002 – March 31, 2008
ResolvedMonitoring, Regular
—2,4-D
April 1, 2002 – March 31, 2008
ResolvedMonitoring, Regular
—2,4,5-TP
April 1, 2002 – March 31, 2008
ResolvedMonitoring, Regular
—Benzo(a)pyrene
April 1, 2002 – March 31, 2008
ResolvedMonitoring, Regular
—Pentachlorophenol
April 1, 2002 – March 31, 2008
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
April 1, 2002 – March 31, 2008
ResolvedMonitoring, Regular
—Simazine
April 1, 2002 – March 31, 2008
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2014 – June 1, 2015 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| October 1, 2012 – September 30, 2018 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| July 1, 2010 – August 8, 2010 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| April 1, 2002 – March 31, 2008 | Monitoring, Regular | Picloram | — | Resolved |
| April 1, 2002 – March 31, 2008 | Monitoring, Regular | Atrazine | — | Resolved |
| April 1, 2002 – March 31, 2008 | Monitoring, Regular | LASSO | — | Resolved |
| April 1, 2002 – March 31, 2008 | Monitoring, Regular | 2,4-D | — | Resolved |
| April 1, 2002 – March 31, 2008 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| April 1, 2002 – March 31, 2008 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| April 1, 2002 – March 31, 2008 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| April 1, 2002 – March 31, 2008 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| April 1, 2002 – March 31, 2008 | Monitoring, Regular | Simazine | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- October 18, 2024State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
- October 18, 2024State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- October 18, 2024State Formal Notice of Violation issued1 linked violation
- October 18, 2024State Public Notification requested1 linked violation
- March 3, 2023State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- March 3, 2023State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- March 3, 2023State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- March 3, 2023State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- March 3, 2023State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- March 3, 2023State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- March 3, 2023State Public Notification received1 linked violation
- March 3, 2023State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- March 3, 2023State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- March 3, 2023State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- March 3, 2023State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- March 3, 2023State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- March 3, 2023State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- March 3, 2023State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- January 11, 2023State Public Notification received2 linked violations
- October 18, 2022State Public Notification requested1 linked violation
- October 18, 2022State Public Notification requested1 linked violation
- October 18, 2022State Formal Notice of Violation issued1 linked violation
- October 18, 2022State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
- May 3, 2019State Public Notification received2 linked violations
- November 16, 2018State Formal Notice of Violation issued1 linked violation
- June 1, 2015State Compliance achieved3 linked violations
- August 30, 2011State Compliance achieved5 linked violations
- October 19, 2010State Administrative/Compliance Order without penalty issued1 linked violation
- August 26, 1996State Public Notification received2 linked violations
- July 22, 1996State Public Notification requested1 linked violation
- December 30, 1988State Formal Notice of Violation issued1 linked violation
- November 23, 1988State Public Notification requested1 linked violation
- November 23, 1988State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
- November 23, 1988State Formal Notice of Violation issued1 linked violation
- November 14, 1988State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- November 14, 1988State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- November 3, 1988State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
- September 30, 1984Federal issued Formal Notice of Violation1 linked violation
Contact
MONDAMIN WATER SUPPLY
712-420-5313
MARSHALLTOWN, IA 50158