GRINNELL, IA · Poweshiek County

GRINNELL WATER DEPARTMENT 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): IA7930008
System type: Community Water System
Population served: 9,564
Service connections: 3,600
Ownership: local government
Water source: groundwater (wells)

Violation history

Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
April 1, 2025 – June 30, 2025
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 2025 – March 31, 2025
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 1, 2024 – December 31, 2024
Archived
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
October 1, 2024 – December 31, 2024
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
July 1, 2024 – September 30, 2024
Archived
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
July 1, 2024 – September 30, 2024
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
April 1, 2024 – June 30, 2024
Archived
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
April 1, 2024 – June 30, 2024
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 2024 – March 31, 2024
Archived
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
June 1, 1991 – June 30, 1991
Resolved

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

Period	Violation	Contaminant / rule	Health-based	Status
April 1, 2025 – June 30, 2025	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived
January 1, 2025 – March 31, 2025	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived
October 1, 2024 – December 31, 2024	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived
October 1, 2024 – December 31, 2024	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Archived
July 1, 2024 – September 30, 2024	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived
July 1, 2024 – September 30, 2024	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Archived
April 1, 2024 – June 30, 2024	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived
April 1, 2024 – June 30, 2024	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Archived
January 1, 2024 – March 31, 2024	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived
June 1, 1991 – June 30, 1991	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved

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

Enforcement actions

August 1, 2025State Administrative/Compliance Order without penalty issued3 linked violations
August 1, 2025State Administrative/Compliance Order without penalty issued2 linked violations
August 1, 2025State Administrative/Compliance Order without penalty issued2 linked violations
August 1, 2025State Administrative/Compliance Order without penalty issued2 linked violations
August 1, 2025State Administrative/Compliance Order without penalty issued3 linked violations
August 1, 2025State Administrative/Compliance Order without penalty issued4 linked violations
August 1, 2025State Administrative/Compliance Order without penalty issued4 linked violations
August 1, 2025State Administrative/Compliance Order without penalty issued3 linked violations
August 1, 2025State Administrative/Compliance Order without penalty issued5 linked violations
August 1, 2025State Administrative/Compliance Order without penalty issued3 linked violations
July 30, 2025State Public Notification received3 linked violations
July 12, 2025State Public Notification received4 linked violations
June 30, 2025State Public Notification requested3 linked violations
June 25, 2025State Formal Notice of Violation issued3 linked violations
June 25, 2025State Violation/Reminder Notice3 linked violations
June 16, 2025State Public Notification received3 linked violations
June 16, 2025State Public Notification received2 linked violations
June 16, 2025State Public Notification received2 linked violations
June 2, 2025State Formal Notice of Violation issued2 linked violations
June 2, 2025State Public Notification requested4 linked violations
June 2, 2025State Formal Notice of Violation issued4 linked violations
June 2, 2025State Public Notification requested3 linked violations
June 2, 2025State Public Notification requested3 linked violations
May 29, 2025State Formal Notice of Violation issued3 linked violations
May 29, 2025State Public Notification requested3 linked violations
May 2, 2025State Public Notification received2 linked violations
April 17, 2025State Public Notification requested3 linked violations
April 17, 2025State Formal Notice of Violation issued2 linked violations
February 25, 2025State Public Notification received3 linked violations
February 25, 2025State Public Notification received3 linked violations
February 25, 2025State Public Notification received3 linked violations
January 28, 2025State Formal Notice of Violation issued3 linked violations
January 28, 2025State Formal Notice of Violation issued3 linked violations
January 28, 2025State Formal Notice of Violation issued3 linked violations
January 28, 2025State Public Notification requested3 linked violations
January 28, 2025State Formal Notice of Violation issued3 linked violations
July 1, 2024State Public Notification issued2 linked violations
April 28, 2024State Public Notification received3 linked violations
April 2, 2024State Public Notification received2 linked violations
December 21, 2023State Compliance achieved3 linked violations
December 13, 2023State Formal Notice of Violation issued5 linked violations
December 13, 2023State Public Notification requested4 linked violations
December 13, 2023State Formal Notice of Violation issued18 linked violations
October 31, 2003State Formal Notice of Violation issued4 linked violations
October 10, 1995State Compliance achieved2 linked violations
May 14, 1993State Formal Notice of Violation issued2 linked violations
February 19, 1993State Public Notification requested3 linked violations
July 31, 1991State Public Notification received25 linked violations
July 31, 1991State Public Notification received1 linked violation
August 15, 1987State Formal Notice of Violation issued160 linked violations
February 18, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record

Contact

GRINNELL WATER DEPARTMENT

641-990-7521

GRINNELL, IA 50112-1947