DYERSVILLE, IA · Dubuque County

DYERSVILLE MUNICIPAL WATER CO 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): IA3130091
System type: Community Water System
Population served: 4,477
Service connections: 2,085
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Combined Radium (-226 and -228)
July 1, 2016 – September 30, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
July 1, 2016 – September 30, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 2016 – March 31, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
April 1, 2015 – June 30, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 1, 2014 – December 31, 2014
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 1, 2013 – December 31, 2013
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 2012 – March 31, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 1, 2011 – December 31, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
July 1, 2007 – September 30, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 2007 – March 31, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Nitrate
February 1, 1995 – February 28, 1995
Resolved
Monitoring, Regular
—
Nitrate
November 1, 1994 – November 30, 1994
Resolved
Monitoring, Regular
—
Styrene
July 1, 1993 – September 30, 1993
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1992 – March 31, 1992
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2016 – September 30, 2016	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
July 1, 2016 – September 30, 2016	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
January 1, 2016 – March 31, 2016	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
April 1, 2015 – June 30, 2015	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
October 1, 2014 – December 31, 2014	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
October 1, 2013 – December 31, 2013	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
January 1, 2012 – March 31, 2012	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
October 1, 2011 – December 31, 2011	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
July 1, 2007 – September 30, 2007	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
January 1, 2007 – March 31, 2007	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
October 1, 2006 – December 31, 2006	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
February 1, 1995 – February 28, 1995	Monitoring, Regular	Nitrate	—	Resolved
November 1, 1994 – November 30, 1994	Monitoring, Regular	Nitrate	—	Resolved
July 1, 1993 – September 30, 1993	Monitoring, Regular	Styrene	—	Resolved
January 1, 1992 – March 31, 1992	Monitoring, Regular	Nitrate	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

May 29, 2024State Compliance achieved3 linked violations
December 5, 2016State Compliance achieved3 linked violations
December 5, 2016State Compliance achieved4 linked violations
December 5, 2016State Compliance achieved34 linked violations
December 5, 2016State Compliance achieved3 linked violations
December 5, 2016State Compliance achieved3 linked violations
December 5, 2016State Compliance achieved3 linked violations
November 28, 2016State Public Notification requested3 linked violations
February 9, 2016State Public Notification requested5 linked violations
February 9, 2016State Formal Notice of Violation issued4 linked violations
September 4, 2015State Public Notification requested2 linked violations
March 23, 2015State Public Notification received3 linked violations
January 20, 2015State Public Notification received3 linked violations
December 30, 2014State Formal Notice of Violation issued3 linked violations
September 18, 2014State Public Notification received3 linked violations
August 25, 2014State Formal Notice of Violation issued3 linked violations
March 13, 2014State Administrative/Compliance Order without penalty issued3 linked violations
March 13, 2014State Administrative/Compliance Order without penalty issued2 linked violations
March 10, 2014State Public Notification received2 linked violations
February 12, 2014State Formal Notice of Violation issued9 linked violations
December 12, 2013State Formal Notice of Violation issued4 linked violations
August 1, 2013State Administrative/Compliance Order without penalty issued4 linked violations
August 1, 2013State Administrative/Compliance Order without penalty issued3 linked violations
August 1, 2013State Administrative/Compliance Order without penalty issued3 linked violations
August 1, 2013State Administrative/Compliance Order without penalty issued4 linked violations
March 9, 2012State Administrative/Compliance Order without penalty issued31 linked violations
March 9, 2012State Administrative/Compliance Order without penalty issued4 linked violations
March 9, 2012State Administrative/Compliance Order without penalty issued3 linked violations
February 23, 2012State Public Notification requested3 linked violations
January 26, 2012State Public Notification requested4 linked violations
May 11, 2007State Formal Notice of Violation issued3 linked violations
March 14, 2007State Public Notification received4 linked violations
November 18, 1996State Formal Notice of Violation issued1 linked violation
August 1, 1995State Compliance achieved1 linked violation
August 1, 1995State Compliance achieved4 linked violations
July 11, 1995State Public Notification requested1 linked violation
June 16, 1995State Public Notification requested1 linked violation
June 16, 1995State Formal Notice of Violation issued1 linked violation
January 20, 1995State Public Notification requested1 linked violation
January 20, 1995State Public Notification requested4 linked violations
January 20, 1995State Formal Notice of Violation issued1 linked violation
June 27, 1994State Compliance achieved5 linked violations
June 27, 1994State Compliance achieved2 linked violations
June 27, 1994State Compliance achieved2 linked violations
June 27, 1994State Bilateral Compliance Agreement signed3 linked violations
June 27, 1994State Compliance achieved1 linked violation
June 27, 1994State Compliance achieved6 linked violations
June 27, 1994State Compliance achieved10 linked violations
December 23, 1993State Public Notification received4 linked violations
December 23, 1993State Public Notification received3 linked violations
December 1, 1993State Public Notification requested5 linked violations
December 1, 1993State Formal Notice of Violation issued2 linked violations
November 19, 1993State Public Notification requested1 linked violation
November 19, 1993State Public Notification requested2 linked violations
November 19, 1993State Formal Notice of Violation issued4 linked violations
November 19, 1993State Formal Notice of Violation issued1 linked violation
March 3, 1993State Public Notification received7 linked violations
March 3, 1993State Public Notification received3 linked violations
June 10, 1992State Public Notification received1 linked violation
May 19, 1992State Public Notification requested5 linked violations
May 19, 1992State Formal Notice of Violation issued2 linked violations
May 19, 1992State Public Notification requested3 linked violations
May 19, 1992State Formal Notice of Violation issued3 linked violations

Contact

DYERSVILLE MUNICIPAL WATER CO

563-875-7724

DYERSVILLE, IA 52040