KEOKUK, IA · Lee County
KEOKUK MUNICIPAL WATER WORKS Water System
Consumer Confidence Report status
KEOKUK MUNICIPAL 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 KEOKUK MUNICIPAL 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)
- IA5640019
- System type
- Community Water System
- Population served
- 9,900
- Service connections
- 4,500
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
KEOKUK MUNICIPAL WATER WORKS is one of 91 community water systems in Iowa in the 3,301 to 10,000 people size category, serving 9,900 people from surface water.
As of August 1, 2026, its federal record holds 7 entries between 1988 and 1989, all of which EPA lists as closed. Nothing has been added since 1989.
All 7 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 synthetic organic chemicals and inorganic chemicals.
Violation history
Monitoring, Regular
—Nitrate
July 1, 1989 – June 30, 1990
ResolvedMonitoring, Regular
—Endrin
July 1, 1988 – June 30, 1991
ResolvedMonitoring, Regular
—BHC-GAMMA
July 1, 1988 – June 30, 1991
ResolvedMonitoring, Regular
—Methoxychlor
July 1, 1988 – June 30, 1991
ResolvedMonitoring, Regular
—Toxaphene
July 1, 1988 – June 30, 1991
ResolvedMonitoring, Regular
—2,4-D
July 1, 1988 – June 30, 1991
ResolvedMonitoring, Regular
—2,4,5-TP
July 1, 1988 – June 30, 1991
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 1989 – June 30, 1990 | Monitoring, Regular | Nitrate | — | Resolved |
| July 1, 1988 – June 30, 1991 | Monitoring, Regular | Endrin | — | Resolved |
| July 1, 1988 – June 30, 1991 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| July 1, 1988 – June 30, 1991 | Monitoring, Regular | Methoxychlor | — | Resolved |
| July 1, 1988 – June 30, 1991 | Monitoring, Regular | Toxaphene | — | Resolved |
| July 1, 1988 – June 30, 1991 | Monitoring, Regular | 2,4-D | — | Resolved |
| July 1, 1988 – June 30, 1991 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- April 14, 1994State Public Notification requested1 linked violation
- November 13, 1992State Public Notification requested3 linked violations
- April 13, 1992State Public Notification received3 linked violations
- April 13, 1992State Public Notification received2 linked violations
- February 24, 1992State Compliance achieved3 linked violations
- February 24, 1992State Compliance achieved2 linked violations
- February 24, 1992State Compliance achieved2 linked violations
- February 24, 1992State Compliance achieved1 linked violation
- May 15, 1989State Public Notification requested2 linked violations
- September 30, 1984Federal issued Formal Notice of Violation1 linked violation
- February 16, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
Common questions
Is KEOKUK MUNICIPAL WATER WORKS required to publish a Consumer Confidence Report?
- Yes. KEOKUK MUNICIPAL 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 KEOKUK MUNICIPAL WATER WORKS’s next Consumer Confidence Report due?
- KEOKUK MUNICIPAL WATER WORKS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does KEOKUK MUNICIPAL WATER WORKS have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for KEOKUK MUNICIPAL 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
KEOKUK MUNICIPAL WATER WORKS
319-524-2011
KEOKUK, IA 52632