Public water system · IA0400901
ActiveRathbun Reg Water Assn (Ft Madison)
At a glance
Rathbun Reg Water Assn (Ft Madison) (PWSID IA0400901) is an active community water system in Lee County, Iowa. It reports serving 11,840 people through 4,735 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
11,840
Service connections
4,735
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Rathbun Reg Water Assn (Ft Madison) compare with other water systems in Lee County?
By EPA's size categories, Rathbun Reg Water Assn (Ft Madison) is a large system (10,001 to 100,000 people). Lee County has 7 active public water systems, and Rathbun Reg Water Assn (Ft Madison) is the largest of them by population served. Its population served is about 131% above the county average of 5,130 people per system, and accounts for 33% 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 Rathbun Reg Water Assn (Ft Madison) is about 77% 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 119 Iowa systems (6.5%) list purchased surface water as their primary source.
Who owns and regulates Rathbun Reg Water Assn (Ft Madison)?
EPA lists Rathbun Reg Water Assn (Ft Madison) as privately owned. 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. 2 of the 7 active systems in Lee County (29%) are also privately owned.
Does Rathbun Reg Water Assn (Ft Madison) have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2017. The violations listed here began between January 2014 and July 2017. By type: 4 monitoring and reporting. The contaminant or rule involved most often is Haloacetic acids (HAA5) (2 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2017-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2017-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
All 4 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.
Rathbun Reg Water Assn (Ft Madison): frequently asked questions
Who runs Rathbun Reg Water Assn (Ft Madison)?
Rathbun Reg Water Assn (Ft Madison) (PWSID IA0400901) is a community water system privately owned. It is regulated by the IA state drinking water program.
How many people does Rathbun Reg Water Assn (Ft Madison) serve?
Rathbun Reg Water Assn (Ft Madison) reports serving 11,840 people through 4,735 service connections in Lee County, Iowa.
Where does Rathbun Reg Water Assn (Ft Madison) get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Rathbun Reg Water Assn (Ft Madison) have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2017. 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 Rathbun Reg Water Assn (Ft Madison)'s 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 4 violations for this system; none is health-based, and the most recent began in July 2017. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Rathbun Reg Water Assn (Ft Madison)'s water quality report?
As a community water system, Rathbun Reg Water Assn (Ft Madison) 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 |
|---|---|---|---|---|
| Ft Madison Muni Water Works | Lee | 11,087 | Community | Groundwater |
| Keokuk Municipal Water Works | Lee | 9,900 | Community | Surface water |
| 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, “Rathbun Reg Water Assn (Ft Madison), PWSID IA0400901, Iowa”, https://aquacensus.com/water-systems/iowa/rathbun-reg-water-assn-ft-madison-ia0400901 (data as of October 1, 2026).