PEOSTA, IA · Dubuque County

PEOSTA 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): IA3170001
System type: Community Water System
Population served: 2,278
Service connections: 1,671
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2005 – March 31, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2003 – August 31, 2003
Resolved
Monitoring, Regular
—
Nitrite
April 1, 2003 – March 31, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 1996 – January 31, 1996
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2005 – March 31, 2005	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
August 1, 2003 – August 31, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 2003 – March 31, 2004	Monitoring, Regular	Nitrite	—	Resolved
January 1, 1996 – January 31, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

November 28, 2006State Public Notification requested2 linked violations
March 31, 2006State Compliance achieved2 linked violations
November 23, 2005State Formal Notice of Violation issued3 linked violations
November 23, 2005State Formal Notice of Violation issued2 linked violations
November 23, 2005State Public Notification requested3 linked violations
July 8, 2005State Compliance achieved3 linked violations
May 4, 2005State Formal Notice of Violation issued1 linked violation
June 15, 2004State Public Notification received2 linked violations
April 19, 2004State Formal Notice of Violation issued1 linked violation
April 19, 2004State Public Notification requested1 linked violation
October 23, 2003State Public Notification received1 linked violation
September 19, 2003State Formal Notice of Violation issued1 linked violation
September 19, 2003State Public Notification requested1 linked violation
January 23, 2003State Formal Notice of Violation issued1 linked violation
January 8, 2003State Compliance achieved1 linked violation
July 16, 2001State Compliance achieved5 linked violations
October 18, 2000State Public Notification requested5 linked violations
November 12, 1999State Compliance achieved4 linked violations
March 15, 1996State Public Notification requested5 linked violations
February 23, 1996State Public Notification requested4 linked violations
January 29, 1996State Formal Notice of Violation issued2 linked violations

Contact

PEOSTA MUNICIPAL WATER SUPPLY

563-556-8755

PEOSTA, IA 52068-0065