SAINT CHARLES, IA · Warren County

SAINT MARYS WATER CORPORATION 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): IA9176019
System type: Community Water System
Population served: 121
Service connections: 69
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2005 – September 30, 2005
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
May 1, 1995 – May 31, 1995
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
February 1, 1995 – February 28, 1995
Resolved
Monitoring, Regular
—
Nitrate
October 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
Carbon tetrachloride
July 1, 1993 – September 30, 1993
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 1991 – August 31, 1991
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 1991 – July 31, 1991
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
March 1, 1991 – March 31, 1991
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 1990 – November 30, 1990
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2005 – September 30, 2005	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
May 1, 1995 – May 31, 1995	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
February 1, 1995 – February 28, 1995	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
October 1, 1993 – December 31, 1993	Monitoring, Regular	Nitrate	—	Resolved
July 1, 1993 – September 30, 1993	Monitoring, Regular	Carbon tetrachloride	—	Resolved
August 1, 1991 – August 31, 1991	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 1991 – July 31, 1991	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
March 1, 1991 – March 31, 1991	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
November 1, 1990 – November 30, 1990	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

May 16, 2019State Public Notification received1 linked violation
January 24, 2019State Compliance achieved2 linked violations
January 24, 2019State Compliance achieved1 linked violation
January 17, 2019State Formal Notice of Violation issued2 linked violations
January 17, 2019State Public Notification requested1 linked violation
September 26, 2007State Compliance achieved3 linked violations
September 26, 2007State Compliance achieved3 linked violations
April 11, 2006State Public Notification requested1 linked violation
January 18, 2006State Public Notification requested2 linked violations
February 23, 2000State Formal Notice of Violation issued1 linked violation
February 23, 2000State Public Notification requested2 linked violations
December 29, 1999State Formal Notice of Violation issued1 linked violation
November 30, 1999State Compliance achieved1 linked violation
June 5, 1996State Compliance achieved1 linked violation
May 16, 1996State Compliance achieved4 linked violations
October 10, 1995State Public Notification received1 linked violation
September 22, 1995State Formal Notice of Violation issued1 linked violation
September 22, 1995State Public Notification requested1 linked violation
August 14, 1995State Compliance achieved1 linked violation
May 12, 1995State Public Notification received1 linked violation
April 28, 1995State Public Notification requested2 linked violations
April 28, 1995State Formal Notice of Violation issued1 linked violation
November 16, 1994State Public Notification received7 linked violations
November 16, 1994State Public Notification received2 linked violations
September 30, 1994State Formal Notice of Violation issued2 linked violations
September 30, 1994State Formal Notice of Violation issued12 linked violations
January 24, 1994State Compliance achieved4 linked violations
November 29, 1991State Bilateral Compliance Agreement signed3 linked violations
September 25, 1991State Compliance achieved4 linked violations
April 4, 1991State Public Notification received5 linked violations
March 21, 1991State Formal Notice of Violation issued4 linked violations
January 29, 1991State Public Notification received3 linked violations
January 29, 1991State Public Notification received2 linked violations

Contact

SAINT MARYS WATER CORPORATION

515-442-3834

SAINT CHARLES, IA 50240