DEDHAM, IA · Carroll County

DEDHAM WATER SUPPLY Water System

Current status

3 items on record are 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): IA1433016
System type: Community Water System
Population served: 221
Service connections: 120
Ownership: local government
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2025 – September 11, 2025
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
June 1, 2025
Unaddressed
Lead Consumer Notice
—
Lead and Copper Rule
October 1, 2024
Unaddressed
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2023 – October 2, 2023
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2022 – March 2, 2023
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2021 – September 23, 2021
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Selenium
October 1, 2020 – December 31, 2020
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2020
Unaddressed
Maximum Contaminant Level Violation, Average
Health-based
Selenium
July 1, 2020 – September 30, 2020
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Selenium
April 1, 2020 – June 30, 2020
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Selenium
January 1, 2020 – March 31, 2020
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Selenium
July 1, 2019 – September 30, 2019
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2019 – December 11, 2019
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
June 20, 2019 – September 25, 2019
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2018 – October 26, 2018
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2015 – October 12, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
Nitrate
February 1, 2008 – February 29, 2008
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2008 – March 31, 2008
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 1998 – June 30, 1998
Resolved
Monitoring, Regular
—
Nitrate
July 1, 1997 – September 30, 1997
Resolved

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2025 – September 11, 2025	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 1, 2025	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Unaddressed
October 1, 2024	Lead Consumer Notice	Lead and Copper Rule	—	Unaddressed
July 1, 2023 – October 2, 2023	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2022 – March 2, 2023	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2021 – September 23, 2021	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2020 – December 31, 2020	Maximum Contaminant Level Violation, Average	Selenium	Health-based	Resolved
July 1, 2020	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Unaddressed
July 1, 2020 – September 30, 2020	Maximum Contaminant Level Violation, Average	Selenium	Health-based	Resolved
April 1, 2020 – June 30, 2020	Maximum Contaminant Level Violation, Average	Selenium	Health-based	Resolved
January 1, 2020 – March 31, 2020	Maximum Contaminant Level Violation, Average	Selenium	Health-based	Resolved
July 1, 2019 – September 30, 2019	Maximum Contaminant Level Violation, Average	Selenium	Health-based	Resolved
July 1, 2019 – December 11, 2019	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 20, 2019 – September 25, 2019	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2018 – October 26, 2018	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2015 – October 12, 2015	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
September 1, 2009 – September 30, 2009	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
February 1, 2008 – February 29, 2008	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2008 – March 31, 2008	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
June 1, 1998 – June 30, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 1997 – September 30, 1997	Monitoring, Regular	Nitrate	—	Resolved

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Enforcement actions

September 11, 2025State Compliance achieved1 linked violation
August 21, 2025State Formal Notice of Violation issued1 linked violation
January 27, 2025State Formal Notice of Violation issued1 linked violation
September 23, 2024State Compliance achieved1 linked violation
August 19, 2024State Compliance achieved1 linked violation
August 19, 2024State Compliance achieved1 linked violation
August 19, 2024State Compliance achieved1 linked violation
August 19, 2024State Compliance achieved1 linked violation
July 1, 2024State Public Notification received1 linked violation
February 7, 2024State Public Notification received1 linked violation
February 7, 2024State Public Notification received1 linked violation
January 23, 2024State Compliance achievedgeneral compliance action — not tied to a specific violation on record
January 23, 2024State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
November 16, 2023State Formal Notice of Violation issued1 linked violation
November 16, 2023State Public Notification requested1 linked violation
October 20, 2023State Formal Notice of Violation issued1 linked violation
October 20, 2023State Formal Notice of Violation issued1 linked violation
October 20, 2023State Public Notification requested1 linked violation
October 20, 2023State Public Notification requested1 linked violation
October 2, 2023State Compliance achieved1 linked violation
October 2, 2023State Public Notification received1 linked violation
August 15, 2023State Formal Notice of Violation issued1 linked violation
May 12, 2023State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
May 1, 2023State Compliance achievedgeneral compliance action — not tied to a specific violation on record
April 26, 2023State Compliance achieved1 linked violation
April 26, 2023State Compliance achieved1 linked violation
March 13, 2023State Public Notification received1 linked violation
March 2, 2023State Public Notification received1 linked violation
March 2, 2023State Compliance achieved1 linked violation
October 18, 2022State Formal Notice of Violation issued1 linked violation
October 18, 2022State Public Notification requested1 linked violation
October 18, 2022State Formal Notice of Violation issued1 linked violation
October 18, 2022State Public Notification requested1 linked violation
October 13, 2022State Formal Notice of Violation issued1 linked violation
August 18, 2022State Formal Notice of Violation issued1 linked violation
June 30, 2022State Public Notification received1 linked violation
June 30, 2022State Public Notification received1 linked violation
June 30, 2022State Public Notification received1 linked violation
April 21, 2022State Formal Notice of Violation issued1 linked violation
April 21, 2022State Formal Notice of Violation issued1 linked violation
October 19, 2021State Formal Notice of Violation issued1 linked violation
October 19, 2021State Public Notification requested1 linked violation
October 19, 2021State Public Notification requested1 linked violation
October 19, 2021State Formal Notice of Violation issued1 linked violation
September 23, 2021State Compliance achieved1 linked violation
August 26, 2021State Formal Notice of Violation issued1 linked violation
April 5, 2021State Compliance achieved4 linked violations
April 5, 2021State Compliance achieved1 linked violation
April 5, 2021State Compliance achieved1 linked violation
April 5, 2021State Compliance achieved3 linked violations
January 27, 2021State Public Notification received1 linked violation
January 27, 2021State Public Notification received4 linked violations
December 30, 2020State Formal Notice of Violation issued1 linked violation
September 21, 2020State Public Notification requested1 linked violation
September 21, 2020State Formal Notice of Violation issued4 linked violations
September 10, 2020State Formal Notice of Violation issued1 linked violation
August 17, 2020State Administrative/Compliance Order without penalty issued1 linked violation
August 17, 2020State Administrative/Compliance Order without penalty issued2 linked violations
August 17, 2020State Administrative/Compliance Order without penalty issued1 linked violation
August 17, 2020State Administrative/Compliance Order without penalty issued4 linked violations
August 17, 2020State Administrative/Compliance Order without penalty issued1 linked violation
August 17, 2020State Administrative/Compliance Order without penalty issued1 linked violation
June 18, 2020State Public Notification received1 linked violation
June 15, 2020State Formal Notice of Violation issued1 linked violation
June 15, 2020State Public Notification requested1 linked violation
April 17, 2020State Compliance achieved1 linked violation
April 17, 2020State Public Notification received1 linked violation
April 17, 2020State Public Notification received1 linked violation
March 27, 2020State Formal Notice of Violation issued1 linked violation
March 27, 2020State Formal Notice of Violation issued1 linked violation
March 27, 2020State Violation/Reminder Notice1 linked violation
March 27, 2020State Public Notification requested1 linked violation
February 14, 2020State Administrative/Compliance Order without penalty issued1 linked violation
February 14, 2020State Administrative/Compliance Order without penalty issued1 linked violation
February 14, 2020State Administrative/Compliance Order without penalty issued1 linked violation
February 14, 2020State Administrative/Compliance Order without penalty issued1 linked violation
February 14, 2020State Administrative/Compliance Order without penalty issued1 linked violation
February 14, 2020State Administrative/Compliance Order without penalty issued1 linked violation
February 14, 2020State Administrative/Compliance Order without penalty issued1 linked violation
January 7, 2020State Administrative/Compliance Order without penalty issued1 linked violation
January 7, 2020State Administrative/Compliance Order without penalty issued1 linked violation
January 7, 2020State Administrative/Compliance Order without penalty issued1 linked violation
January 7, 2020State Administrative/Compliance Order without penalty issued1 linked violation
January 7, 2020State Administrative/Compliance Order without penalty issued1 linked violation
January 7, 2020State Administrative/Compliance Order without penalty issued1 linked violation
January 7, 2020State Administrative/Compliance Order without penalty issued2 linked violations
December 30, 2019State Public Notification requested1 linked violation
December 30, 2019State Formal Notice of Violation issued1 linked violation
December 11, 2019State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
December 11, 2019State Compliance achieved1 linked violation
September 25, 2019State Public Notification received1 linked violation
September 25, 2019State Public Notification received1 linked violation
September 25, 2019State Compliance achieved1 linked violation
September 25, 2019State Compliance achieved1 linked violation
September 25, 2019State Public Notification received1 linked violation
August 28, 2019State Formal Notice of Violation issued1 linked violation
August 28, 2019State Public Notification requested1 linked violation
August 20, 2019State Formal Notice of Violation issued1 linked violation
July 18, 2019State Violation/Reminder Notice1 linked violation
July 18, 2019State Intentional no-action1 linked violation
July 18, 2019State Formal Notice of Violation issued1 linked violation
July 18, 2019State Intentional no-action1 linked violation
July 18, 2019State Formal Notice of Violation issued1 linked violation
July 18, 2019State Violation/Reminder Notice1 linked violation
May 17, 2019State Formal Notice of Violation issued1 linked violation
May 17, 2019State Public Notification requested1 linked violation
January 28, 2019State Formal Notice of Violation issued1 linked violation
December 27, 2018State Compliance achievedgeneral compliance action — not tied to a specific violation on record
November 16, 2018State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
November 16, 2018State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
October 26, 2018State Compliance achieved1 linked violation
September 12, 2018State Compliance achieved1 linked violation
August 21, 2018State Formal Notice of Violation issued1 linked violation
June 29, 2018State Public Notification issued1 linked violation
June 29, 2018State Compliance achieved1 linked violation
June 29, 2018State Compliance achieved2 linked violations
June 8, 2018State Compliance achieved1 linked violation
May 30, 2018State Formal Notice of Violation issued1 linked violation
May 30, 2018State Public Notification requested1 linked violation
May 30, 2018State Public Notification requested1 linked violation
May 30, 2018State Formal Notice of Violation issued1 linked violation
December 18, 2017State Violation/Reminder Notice1 linked violation
December 18, 2017State Intentional no-action1 linked violation
December 18, 2017State Formal Notice of Violation issued1 linked violation
September 29, 2017State Formal Notice of Violation issued1 linked violation
September 29, 2017State Public Notification requested1 linked violation
July 27, 2017State Compliance achieved1 linked violation
July 27, 2017State Public Notification received1 linked violation
July 27, 2017State Public Notification received1 linked violation
September 19, 2016State Formal Notice of Violation issued1 linked violation
September 19, 2016State Public Notification requested1 linked violation
August 5, 2016State Public Notification received1 linked violation
April 21, 2016State Compliance achieved1 linked violation
April 19, 2016State Formal Notice of Violation issued1 linked violation
April 19, 2016State Public Notification requested1 linked violation
October 12, 2015State Compliance achieved1 linked violation
September 10, 2015State Formal Notice of Violation issued3 linked violations
October 29, 2007State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
July 20, 1998State Formal Notice of Violation issued1 linked violation
July 20, 1998State Public Notification requested1 linked violation
October 20, 1997State Public Notification requested5 linked violations
April 28, 1997State Public Notification requested1 linked violation
April 28, 1997State Formal Notice of Violation issued1 linked violation
April 7, 1997State Compliance achieved1 linked violation
May 7, 1992State Public Notification received2 linked violations
May 7, 1992State Public Notification received1 linked violation
February 14, 1992State Formal Notice of Violation issued1 linked violation
February 14, 1992State Public Notification requested2 linked violations
January 27, 1992State Compliance achieved2 linked violations
January 27, 1992State Compliance achieved2 linked violations
March 1, 1982State Unresolved1 linked violation

Contact

DEDHAM WATER SUPPLY

712-830-4415

DEDHAM, IA 51440