Public water system · IA6400628
ActiveMarshalltown Estates
At a glance
Marshalltown Estates (PWSID IA6400628) is an active community water system in Marshall County, Iowa. It reports serving 382 people through 150 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
382
Service connections
150
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Marshalltown Estates compare with other water systems in Marshall County?
By EPA's size categories, Marshalltown Estates is a very small system (500 people or fewer). Marshall County has 12 active public water systems. Its population served is well below the county average of 2,802 people per system, and accounts for 1.1% of the 33,628 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 Marshalltown Estates is well below 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,502 Iowa systems (82%) list groundwater as their primary source.
Who owns and regulates Marshalltown Estates?
EPA lists Marshalltown Estates 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 12 active systems in Marshall County (17%) are also privately owned.
Does Marshalltown Estates have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2024. The violations listed here began between October 2015 and July 2024. By type: 12 monitoring and reporting. The contaminants or rules involved are Nitrate, Selenium, Chromium and Beryllium. EPA lists 12 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 |
|---|---|---|---|---|
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2015-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Seleniumcode 1045 | No | Resolved |
| 2015-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chromiumcode 1020 | No | Resolved |
| 2015-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Berylliumcode 1075 | No | Resolved |
| 2015-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2015-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cyanidecode 1024 | No | Resolved |
| 2015-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 2015-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Resolved |
| 2015-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Antimonycode 1074 | No | Resolved |
| 2015-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Resolved |
| 2015-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Resolved |
| 2015-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Thalliumcode 1085 | No | Resolved |
The 12 most recent 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.
Marshalltown Estates: frequently asked questions
Who runs Marshalltown Estates?
Marshalltown Estates (PWSID IA6400628) is a community water system privately owned. It is regulated by the IA state drinking water program.
How many people does Marshalltown Estates serve?
Marshalltown Estates reports serving 382 people through 150 service connections in Marshall County, Iowa.
Where does Marshalltown Estates get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Marshalltown Estates have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2024. 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 Marshalltown Estates' 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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Marshalltown Estates' water quality report?
As a community water system, Marshalltown Estates 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 Marshall County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Marshalltown Water Works | Marshall | 27,680 | Community | Groundwater |
| State Center Muni Water Dept | Marshall | 1,411 | Community | Groundwater |
| Le Grand Water Works | Marshall | 910 | Community | Purchased groundwater |
| Melbourne Water Supply | Marshall | 765 | Community | Purchased groundwater |
| Gilman Water Supply | Marshall | 582 | Community | Purchased groundwater |
| Sunset Village | Marshall | 528 | Community | Purchased 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, “Marshalltown Estates, PWSID IA6400628, Iowa”, https://aquacensus.com/water-systems/iowa/marshalltown-estates-ia6400628 (data as of October 1, 2026).