Public water system · IA5640019
ActiveKeokuk Municipal Water Works
At a glance
Keokuk Municipal Water Works (PWSID IA5640019) is an active community water system in Lee County, Iowa. It reports serving 9,900 people through 4,500 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 7 violations for this system; none is health-based, and the most recent began in July 1989.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
9,900
Service connections
4,500
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Keokuk Municipal Water Works compare with other water systems in Lee County?
By EPA's size categories, Keokuk Municipal Water Works is a medium system (3,301 to 10,000 people). Lee County has 7 active public water systems, and Keokuk Municipal Water Works is the 3rd-largest of them by population served. Its population served is about twice the county average of 5,130 people per system, and accounts for 28% of the 35,911 people reported by systems filed under the county. Across Iowa, the 1,828 active systems average 1,718 people each. Nationally, the average active community water system reports serving 6,703 people, so Keokuk Municipal Water Works is about 48% above that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Iowa has 1,084 active community water systems, 59% of the state's 1,828 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 24 Iowa systems (1.3%) list surface water as their primary source.
Who owns and regulates Keokuk Municipal Water Works?
EPA lists Keokuk Municipal Water Works as owned by a local government. The IA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 5 of the 7 active systems in Lee County (71%) are also owned by a local government.
Does Keokuk Municipal Water Works have drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in July 1989. The violations listed here began between July 1988 and July 1989. By type: 7 monitoring and reporting. The contaminants or rules involved are Nitrate, Endrin, Toxaphene and 2,4,5-TP (Silvex). EPA lists 7 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 1989-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1988-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endrincode 2005 | No | Resolved |
| 1988-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toxaphenecode 2020 | No | Resolved |
| 1988-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4,5-TP (Silvex)code 2110 | No | Resolved |
| 1988-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Methoxychlorcode 2015 | No | Resolved |
| 1988-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Lindane (gamma-BHC)code 2010 | No | Resolved |
| 1988-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4-Dcode 2105 | No | Resolved |
All 7 violations in EPA's records, newest first. Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Keokuk Municipal Water Works: frequently asked questions
Who runs Keokuk Municipal Water Works?
Keokuk Municipal Water Works (PWSID IA5640019) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Keokuk Municipal Water Works serve?
Keokuk Municipal Water Works reports serving 9,900 people through 4,500 service connections in Lee County, Iowa.
Where does Keokuk Municipal Water Works get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Keokuk Municipal Water Works have any drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in July 1989. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Keokuk Municipal Water Works' water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 7 violations for this system; none is health-based, and the most recent began in July 1989. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Keokuk Municipal Water Works' water quality report?
As a community water system, Keokuk Municipal Water Works must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Lee County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Rathbun Reg Water Assn (Ft Madison) | Lee | 11,840 | Community | Purchased surface water |
| Ft Madison Muni Water Works | Lee | 11,087 | Community | Groundwater |
| West Point Muni Water System | Lee | 921 | Community | Purchased surface water |
| Donnellson Muni Water Works | Lee | 885 | Community | Purchased groundwater |
| Montrose Water Works | Lee | 738 | Community | Purchased surface water |
| Conagra Foods Packaged Foods LLC | Lee | 540 | Non-transient non-community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Keokuk Municipal Water Works, PWSID IA5640019, Iowa”, https://aquacensus.com/water-systems/iowa/keokuk-municipal-water-works-ia5640019 (data as of October 1, 2026).