Public water system · IA2948062
ActiveMediapolis Water Supply
At a glance
Mediapolis Water Supply (PWSID IA2948062) is an active community water system in Des Moines County, Iowa. It reports serving 1,688 people through 620 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 7 violations for this system; 5 are health-based, and the most recent began in January 2013.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,688
Service connections
620
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Mediapolis Water Supply compare with other water systems in Des Moines County?
By EPA's size categories, Mediapolis Water Supply is a small system (501 to 3,300 people). Des Moines County has 11 active public water systems, and Mediapolis Water Supply is the 4th-largest of them by population served. Its population served is about 57% below the county average of 3,927 people per system, and accounts for 3.9% of the 43,192 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 Mediapolis Water Supply 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. 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 Mediapolis Water Supply?
EPA lists Mediapolis Water Supply 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 11 active systems in Des Moines County (45%) are also owned by a local government.
Does Mediapolis Water Supply have drinking water violations?
EPA's records list 7 violations for this system; 5 are health-based, and the most recent began in January 2013. The violations listed here began between October 1998 and January 2013. By type: 5 contaminant level above the legal limit and 2 monitoring and reporting. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (3 of them). EPA lists 5 as resolved and 2 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2013-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2012-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2012-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2005-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2003-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
| 1998-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1998-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
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.
Mediapolis Water Supply: frequently asked questions
Who runs Mediapolis Water Supply?
Mediapolis Water Supply (PWSID IA2948062) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Mediapolis Water Supply serve?
Mediapolis Water Supply reports serving 1,688 people through 620 service connections in Des Moines County, Iowa.
Where does Mediapolis Water Supply 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 Mediapolis Water Supply have any drinking water violations?
EPA's records list 7 violations for this system; 5 are health-based, and the most recent began in January 2013. 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 Mediapolis Water Supply'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 7 violations for this system; 5 are health-based, and the most recent began in January 2013. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Mediapolis Water Supply's water quality report?
As a community water system, Mediapolis Water Supply 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 Des Moines County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Burlington Municipal Waterworks | Des Moines | 26,015 | Community | Surface water |
| Rathbun Reg Wtr Assn (Burlington) | Des Moines + 1 more | 8,375 | Community | Purchased surface water |
| West Burlington Muni. Water Supply | Des Moines | 3,728 | Community | Purchased surface water |
| Iowa Army Ammunition Plant | Des Moines | 1,100 | Non-transient non-community | Purchased surface water |
| Danville Water Supply | Des Moines | 923 | Community | Purchased surface water |
| Timberline Estates, Ltd. | Des Moines | 712 | 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, “Mediapolis Water Supply, PWSID IA2948062, Iowa”, https://aquacensus.com/water-systems/iowa/mediapolis-water-supply-ia2948062 (data as of October 1, 2026).