Public water system · IA4868701
ActivePoweshiek Water Association (Iac)
At a glance
Poweshiek Water Association (Iac) (PWSID IA4868701) is an active community water system in Iowa County, Iowa. It reports serving 2,490 people through 996 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in December 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,490
Service connections
996
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Poweshiek Water Association (Iac) compare with other water systems in Iowa County?
By EPA's size categories, Poweshiek Water Association (Iac) is a small system (501 to 3,300 people). Iowa County has 15 active public water systems, and Poweshiek Water Association (Iac) is the 2nd-largest of them by population served. Its population served is about 182% above the county average of 884 people per system, and accounts for 19% of the 13,265 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 Poweshiek Water Association (Iac) is about 63% 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 Poweshiek Water Association (Iac)?
EPA lists Poweshiek Water Association (Iac) 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. 8 of the 15 active systems in Iowa County (53%) are also privately owned.
Does Poweshiek Water Association (Iac) have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in December 2020. By type: 1 monitoring and reporting. The contaminant or rule involved is Nitrate. 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 |
|---|---|---|---|---|
| 2020-12-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | 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.
Poweshiek Water Association (Iac): frequently asked questions
Who runs Poweshiek Water Association (Iac)?
Poweshiek Water Association (Iac) (PWSID IA4868701) is a community water system privately owned. It is regulated by the IA state drinking water program.
How many people does Poweshiek Water Association (Iac) serve?
Poweshiek Water Association (Iac) reports serving 2,490 people through 996 service connections in Iowa County, Iowa.
Where does Poweshiek Water Association (Iac) 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 Poweshiek Water Association (Iac) 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 December 2020. 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 Poweshiek Water Association (Iac)'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 December 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Poweshiek Water Association (Iac)'s water quality report?
As a community water system, Poweshiek Water Association (Iac) 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 Iowa County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Williamsburg Public Water Supply | Iowa | 3,345 | Community | Groundwater |
| Marengo Water Supply | Iowa | 2,435 | Community | Groundwater |
| Amana Society Water System North | Iowa | 1,248 | Community | Groundwater |
| North English Water Department | Iowa | 1,065 | Community | Groundwater |
| Victor Municipal Water Dept | Iowa | 875 | Community | Groundwater |
| Kinze Manufacturing Inc. | Iowa | 710 | Non-transient non-community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Poweshiek Water Association (Iac), PWSID IA4868701, Iowa”, https://aquacensus.com/water-systems/iowa/poweshiek-water-association-iac-ia4868701 (data as of October 1, 2026).