KNOXVILLE, IA · Marion County
KNOXVILLE WATER WORKS Water System
Consumer Confidence Report status
KNOXVILLE WATER WORKS 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 no open violations for KNOXVILLE WATER WORKS.
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)
- IA6342036
- System type
- Community Water System
- Population served
- 8,400
- Service connections
- 3,510
- Ownership
- local government
- Water source
- groundwater (wells)
KNOXVILLE WATER WORKS is one of 91 community water systems in Iowa in the 3,301 to 10,000 people size category, serving 8,400 people from groundwater.
As of August 1, 2026, EPA's published records contain no violations for this system.
Violation history
No violations on record for this system.
Enforcement actions
- June 5, 1996State Compliance achieved1 linked violation
- April 7, 1993State Formal Notice of Violation issued1 linked violation
- April 7, 1993State Public Notification requested2 linked violations
- January 15, 1993State Public Notification received4 linked violations
- November 13, 1992State Formal Notice of Violation issued5 linked violations
- February 21, 1989State Public Notification received2 linked violations
- March 21, 1988State Formal Notice of Violation issued1 linked violation
- March 21, 1988State Public Notification requested2 linked violations
Common questions
Is KNOXVILLE WATER WORKS required to publish a Consumer Confidence Report?
- Yes. KNOXVILLE WATER WORKS 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 KNOXVILLE WATER WORKS’s next Consumer Confidence Report due?
- KNOXVILLE WATER WORKS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does KNOXVILLE WATER WORKS have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for KNOXVILLE WATER WORKS.
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
KNOXVILLE WATER WORKS
641-828-0557
KNOXVILLE, IA 50138