Public water system · IA7770050
ActivePolk City Water Supply
At a glance
Polk City Water Supply (PWSID IA7770050) is an active community water system in Polk County, Iowa. It reports serving 6,533 people through 2,670 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2000.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
6,533
Service connections
2,670
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Polk City Water Supply compare with other water systems in Polk County?
By EPA's size categories, Polk City Water Supply is a medium system (3,301 to 10,000 people). Polk County has 38 active public water systems. Its population served is about half of the county average of 12,857 people per system, and accounts for 1.3% of the 488,556 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 Polk City Water Supply is roughly in line with 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 Polk City Water Supply?
EPA lists Polk City 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. 16 of the 38 active systems in Polk County (42%) are also owned by a local government.
Does Polk City Water Supply have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2000. By type: 1 monitoring and reporting. The contaminant or rule involved is Arsenic. EPA lists 1 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 |
|---|---|---|---|---|
| 2000-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
The one violation in EPA's records.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.
Polk City Water Supply: frequently asked questions
Who runs Polk City Water Supply?
Polk City Water Supply (PWSID IA7770050) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Polk City Water Supply serve?
Polk City Water Supply reports serving 6,533 people through 2,670 service connections in Polk County, Iowa.
Where does Polk City 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 Polk City Water Supply have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2000. 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 Polk City 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 one violation for this system; it is not health-based, and the most recent began in July 2000. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Polk City Water Supply's water quality report?
As a community water system, Polk City 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 Polk County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Des Moines Water Works | Polk | 246,055 | Community | Purchased surface water |
| Ankeny, City of | Polk | 76,207 | Community | Purchased surface water |
| Urbandale Water Utility | Polk | 45,605 | Community | Purchased surface water |
| Johnston Municipal Water Supply | Polk | 24,897 | Community | Purchased surface water |
| Clive Water Department | Polk | 20,277 | Community | Purchased surface water |
| Altoona Water Supply | Polk | 19,565 | 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, “Polk City Water Supply, PWSID IA7770050, Iowa”, https://aquacensus.com/water-systems/iowa/polk-city-water-supply-ia7770050 (data as of October 1, 2026).