Public water system · IA7222034
ActiveHarris Water Supply
At a glance
Harris Water Supply (PWSID IA7222034) is an active community water system in Osceola County, Iowa. It reports serving 151 people through 72 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in June 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
151
Service connections
72
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Harris Water Supply compare with other water systems in Osceola County?
By EPA's size categories, Harris Water Supply is a very small system (500 people or fewer). Osceola County has 7 active public water systems. Its population served is well below the county average of 1,889 people per system, and accounts for 1.1% of the 13,222 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 Harris 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 groundwater means the system buys groundwater from another public water system rather than drawing its own. 156 Iowa systems (8.5%) list purchased groundwater as their primary source.
Who owns and regulates Harris Water Supply?
EPA lists Harris 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 7 active systems in Osceola County (71%) are also owned by a local government.
Does Harris Water Supply have drinking water violations?
EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in June 2020. The violations listed here began between November 1991 and June 2020. By type: 2 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2020-06-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1991-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1991-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 3 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.
Harris Water Supply: frequently asked questions
Who runs Harris Water Supply?
Harris Water Supply (PWSID IA7222034) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Harris Water Supply serve?
Harris Water Supply reports serving 151 people through 72 service connections in Osceola County, Iowa.
Where does Harris Water Supply get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Harris Water Supply have any drinking water violations?
EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in June 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 Harris 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 3 violations for this system; 2 are health-based, and the most recent began in June 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 Harris Water Supply's water quality report?
As a community water system, Harris 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 Osceola County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Osceola Rural Water System-North | Osceola | 7,002 | Community | Groundwater |
| Sibley Public Water Supply | Osceola | 2,860 | Community | Purchased groundwater |
| Osceola Rural Water System-South | Osceola | 2,112 | Community | Groundwater |
| Ashton Municipal Water Department | Osceola | 456 | Community | Purchased groundwater |
| Ocheyedan Water Works | Osceola | 439 | Community | Groundwater |
| Melvin Waterworks | Osceola | 202 | 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, “Harris Water Supply, PWSID IA7222034, Iowa”, https://aquacensus.com/water-systems/iowa/harris-water-supply-ia7222034 (data as of October 1, 2026).