WIOTA, IA · Cass County

WIOTA WATER WORKS 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): IA1570032
System type: Community Water System
Population served: 95
Service connections: 70
Ownership: local government
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2022 – July 17, 2024
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
July 1, 2019 – June 30, 2025
Archived
Monitoring, Regular
—
Combined Radium (-226 and -228)
July 1, 2018 – June 30, 2024
Archived
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2012 – November 2, 2012
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
June 1, 2011 – August 29, 2012
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 2007 – August 31, 2007
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2007 – July 31, 2007
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
October 1, 1993 – October 31, 1993
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
August 1, 1993 – August 31, 1993
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
July 1, 1993 – September 30, 1993
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
April 1, 1993 – April 30, 1993
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 1993 – January 31, 1993
Resolved
Monitoring, Regular
—
Nitrate
May 1, 1990 – May 31, 1990
Resolved
Notification, Public
—
Nitrate
July 1, 1986 – July 31, 1986
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
October 1, 1985 – September 30, 1986
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
October 1, 1983 – September 30, 1984
Archived
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
December 19, 1978 – October 18, 1980
Archived
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
October 1, 1976 – September 30, 1979
Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2022 – July 17, 2024	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2019 – June 30, 2025	Monitoring, Regular	Combined Radium (-226 and -228)	—	Archived
July 1, 2018 – June 30, 2024	Monitoring, Regular	Combined Radium (-226 and -228)	—	Archived
July 1, 2012 – November 2, 2012	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 1, 2011 – August 29, 2012	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
August 1, 2007 – August 31, 2007	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2007 – July 31, 2007	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 1993 – October 31, 1993	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
August 1, 1993 – August 31, 1993	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
July 1, 1993 – September 30, 1993	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
April 1, 1993 – April 30, 1993	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
January 1, 1993 – January 31, 1993	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
May 1, 1990 – May 31, 1990	Monitoring, Regular	Nitrate	—	Resolved
July 1, 1986 – July 31, 1986	Notification, Public	Nitrate	—	Resolved
October 1, 1985 – September 30, 1986	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Archived
October 1, 1983 – September 30, 1984	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
December 19, 1978 – October 18, 1980	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Archived
October 1, 1976 – September 30, 1979	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

November 9, 2024State Compliance achievedgeneral compliance action — not tied to a specific violation on record
October 24, 2024State Formal Notice of Violation issued1 linked violation
August 21, 2024State Public Notification requested2 linked violations
July 17, 2024State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
July 17, 2024State Compliance achieved1 linked violation
July 17, 2024State Compliance achieved1 linked violation
April 30, 2024State Formal Notice of Violation issued1 linked violation
January 23, 2024State Formal Notice of Violation issued2 linked violations
October 25, 2023State Formal Notice of Violation issued1 linked violation
September 21, 2023State Formal Notice of Violation issued1 linked violation
September 30, 2022State Formal Notice of Violation issued1 linked violation
November 27, 2014State Compliance achieved2 linked violations
November 26, 2014State Public Notification received1 linked violation
June 21, 2013State Public Notification received1 linked violation
November 2, 2012State Compliance achieved1 linked violation
October 23, 2012State Public Notification requested2 linked violations
October 23, 2012State Public Notification requested2 linked violations
August 29, 2012State Compliance achieved1 linked violation
August 31, 2007State Public Notification requested6 linked violations
August 17, 2007State Public Notification received3 linked violations
August 15, 2007State Administrative/Compliance Order without penalty issued2 linked violations
August 15, 2007State Administrative/Compliance Order without penalty issued1 linked violation
August 2, 2007State Boil Water Order3 linked violations
August 2, 2007State Public Notification requested2 linked violations
August 2, 2007State Technical Assistance Visit1 linked violation
June 4, 1996State Compliance achieved1 linked violation
June 4, 1996State Compliance achieved4 linked violations
July 15, 1995State Compliance achieved1 linked violation
February 23, 1995State Public Notification received1 linked violation
February 7, 1995State Public Notification requested1 linked violation
February 7, 1995State Formal Notice of Violation issued1 linked violation
January 20, 1995State Public Notification requested4 linked violations
January 20, 1995State Formal Notice of Violation issued3 linked violations
November 21, 1994State Formal Notice of Violation issued53 linked violations
November 21, 1994State Formal Notice of Violation issued10 linked violations
November 21, 1994State Public Notification requested2 linked violations
November 21, 1994State Formal Notice of Violation issued4 linked violations
November 21, 1994State Public Notification requested10 linked violations
November 21, 1993State Formal Notice of Violation issued2 linked violations
November 19, 1993State Public Notification requested3 linked violations
November 19, 1993State Formal Notice of Violation issued2 linked violations
February 19, 1993State Formal Notice of Violation issued3 linked violations
February 19, 1993State Formal Notice of Violation issued8 linked violations
February 3, 1992State Formal Notice of Violation issued2 linked violations
February 3, 1992State Public Notification requested3 linked violations
February 3, 1992State Formal Notice of Violation issued3 linked violations
February 3, 1992State Public Notification requested2 linked violations
December 9, 1991State Administrative/Compliance Order with penalty issued2 linked violations
December 9, 1991State Administrative/Compliance Order with penalty issued3 linked violations
December 9, 1991State Administrative/Compliance Order with penalty issued6 linked violations
March 21, 1991State Bilateral Compliance Agreement signed1 linked violation
March 21, 1991State Bilateral Compliance Agreement signed2 linked violations
January 14, 1991State Public Notification received1 linked violation
October 22, 1990State Compliance achieved1 linked violation
September 7, 1990State Formal Notice of Violation issued1 linked violation
September 7, 1990State Public Notification requested2 linked violations
August 29, 1990State Public Notification requested1 linked violation
June 4, 1990State Compliance achieved2 linked violations
June 4, 1990State Compliance achievedgeneral compliance action — not tied to a specific violation on record
November 16, 1986State Public Notification requested2 linked violations
September 30, 1984Federal issued Formal Notice of Violation1 linked violation
February 5, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
November 15, 1979State Public Notification requested1 linked violation

Contact

WIOTA WATER WORKS

712-249-3697

WIOTA, IA 50274