Public water system · IA1281028
ActiveParkersburg Water Supply
At a glance
Parkersburg Water Supply (PWSID IA1281028) is an active community water system in Butler County, Iowa. It reports serving 2,019 people through 886 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in October 2001.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,019
Service connections
886
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Parkersburg Water Supply compare with other water systems in Butler County?
By EPA's size categories, Parkersburg Water Supply is a small system (501 to 3,300 people). Butler County has 16 active public water systems, and Parkersburg Water Supply is the largest of them by population served. Its population served is about 3.4 times the county average of 586 people per system, and accounts for 22% of the 9,368 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 Parkersburg 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. 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 Parkersburg Water Supply?
EPA lists Parkersburg 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. 9 of the 16 active systems in Butler County (56%) are also owned by a local government.
Does Parkersburg Water Supply have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in October 2001. The violations listed here began between October 1993 and October 2001. By type: 2 monitoring and reporting. The contaminants or rules involved are Arsenic and Combined Radium (-226 and -228). EPA lists 2 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 |
|---|---|---|---|---|
| 2001-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 1993-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
All 2 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.
Parkersburg Water Supply: frequently asked questions
Who runs Parkersburg Water Supply?
Parkersburg Water Supply (PWSID IA1281028) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Parkersburg Water Supply serve?
Parkersburg Water Supply reports serving 2,019 people through 886 service connections in Butler County, Iowa.
Where does Parkersburg Water Supply 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 Parkersburg Water Supply have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in October 2001. 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 Parkersburg 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 2 violations for this system; none is health-based, and the most recent began in October 2001. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Parkersburg Water Supply's water quality report?
As a community water system, Parkersburg 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 Butler County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Shell Rock Muni Water Supp | Butler | 1,269 | Community | Groundwater |
| Clarksville Water Supply | Butler | 1,254 | Community | Groundwater |
| Aplington Water Supply | Butler | 1,126 | Community | Groundwater |
| Greene Muni Water Supply | Butler | 994 | Community | Groundwater |
| Allison Water Supply | Butler | 966 | Community | Groundwater |
| Dumont Water Supply | Butler | 635 | 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, “Parkersburg Water Supply, PWSID IA1281028, Iowa”, https://aquacensus.com/water-systems/iowa/parkersburg-water-supply-ia1281028 (data as of October 1, 2026).