CARLISLE, IA · Warren County
CARLISLE WATER SUPPLY Water System
Consumer Confidence Report status
CARLISLE WATER SUPPLY must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show 1 item for CARLISLE WATER SUPPLY that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
CARLISLE WATER SUPPLY is one of 91 community water systems in Iowa in the 3,301 to 10,000 people size category, serving 4,170 people from groundwater.
As of August 1, 2026, its federal record holds 4 entries between 2014 and 2023, of which 1 remains open; none are health-based.
Of the 4, 3 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Total Coliform Rules, inorganic chemicals, and the Public Notice Rule and Revised PN Rule.
Violation history
Monitoring, Regular
—Nitrate
July 1, 2023 – June 30, 2024
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
July 24, 2022
UnaddressedMonitoring, Routine Major (TCR)
—Coliform (TCR)
August 1, 2015 – August 31, 2015
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
February 1, 2014 – February 28, 2014
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 |
| February 1, 2014 – February 28, 2014 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet
Enforcement actions
- October 28, 2024State Public Notification received2 linked violations
- August 29, 2024State Compliance achieved2 linked violations
- July 17, 2024State Public Notification requested2 linked violations
- March 20, 2023State Intentional no-action2 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 issued7 linked violations
- June 4, 2014State Public Notification received5 linked violations
- November 19, 1993State Formal Notice of Violation issued7 linked violations
- October 28, 1993State Public Notification requested3 linked violations
- October 28, 1993State Formal Notice of Violation issued3 linked violations
- October 28, 1993State Public Notification requested4 linked violations
- July 30, 1990State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 18, 1990State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
- September 26, 1989State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- September 26, 1989State Compliance achieved1 linked violation
- December 1, 1987State Compliance achieved1 linked violation
- September 30, 1984Federal issued Formal Notice of Violationgeneral compliance action — not tied to a specific violation on record
Common questions
Is CARLISLE WATER SUPPLY required to publish a Consumer Confidence Report?
- Yes. CARLISLE WATER SUPPLY is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is CARLISLE WATER SUPPLY’s next Consumer Confidence Report due?
- CARLISLE WATER SUPPLY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CARLISLE WATER SUPPLY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for CARLISLE WATER SUPPLY that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
CARLISLE WATER SUPPLY
515-249-2055
CARLISLE, IA 50047