CARLISLE, IA · Warren County

CARLISLE WATER SUPPLY Water System

Current status

1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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): IA9113071
System type: Community Water System
Population served: 4,170
Service connections: 1,850
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Nitrate
July 1, 2023 – June 30, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
July 24, 2022
Unaddressed
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2015 – August 31, 2015
Resolved
Monitoring, Regular
—
Nitrate
July 1, 2014 – June 30, 2015
Resolved
Monitoring, Regular
—
Nitrate
July 1, 2001 – June 30, 2002
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
January 1, 1994 – January 31, 1994
Resolved

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2023 – June 30, 2024	Monitoring, Regular	Nitrate	—	Resolved
July 24, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
August 1, 2015 – August 31, 2015	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2014 – June 30, 2015	Monitoring, Regular	Nitrate	—	Resolved
July 1, 2001 – June 30, 2002	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1994 – January 31, 1994	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Enforcement actions

August 29, 2024State Compliance achieved2 linked violations
July 17, 2024State Formal Notice of Violation issued2 linked violations
July 17, 2024State Public Notification requested2 linked violations
March 20, 2023State Formal Notice of Violation issued2 linked violations
March 20, 2023State Violation/Reminder Notice2 linked violations
April 20, 2022State Public Notification requested2 linked violations
April 20, 2022State Public Notification requested1 linked violation
April 18, 2022State Compliance achieved1 linked violation
April 14, 2016State Compliance achieved11 linked violations
January 5, 2016State Public Notification received2 linked violations
October 5, 2015State Public Notification requested3 linked violations
October 5, 2015State Formal Notice of Violation issued4 linked violations
October 5, 2015State Formal Notice of Violation issued7 linked violations
June 4, 2014State Public Notification received5 linked violations
March 18, 1994State Formal Notice of Violation issued4 linked violations
March 18, 1994State Formal Notice of Violation issued7 linked violations
November 16, 1993State Public Notification received7 linked violations
October 28, 1993State Public Notification requested3 linked violations
October 28, 1993State Public Notification requested4 linked violations
October 28, 1993State Formal Notice of Violation issued3 linked violations
April 18, 1990State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
December 1, 1987State Compliance achieved1 linked violation
November 1, 1987State Formal Notice of Violation issued3 linked violations
September 30, 1984Federal issued Formal Notice of Violationgeneral compliance action — not tied to a specific violation on record
February 18, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
January 21, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record

Contact

CARLISLE WATER SUPPLY

515-249-2055

CARLISLE, IA 50047