Public water system · IA4254061
ActiveHubbard Water Supply
At a glance
Hubbard Water Supply (PWSID IA4254061) is an active community water system in Hardin County, Iowa. It reports serving 860 people through 403 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 9 violations for this system; all are health-based, and the most recent began in April 2010.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
860
Service connections
403
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Hubbard Water Supply compare with other water systems in Hardin County?
By EPA's size categories, Hubbard Water Supply is a small system (501 to 3,300 people). Hardin County has 22 active public water systems, and Hubbard Water Supply is the 4th-largest of them by population served. Its population served is about 36% above the county average of 633 people per system, and accounts for 6.2% of the 13,920 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 Hubbard 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 Hubbard Water Supply?
EPA lists Hubbard 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. 12 of the 22 active systems in Hardin County (55%) are also owned by a local government.
Does Hubbard Water Supply have drinking water violations?
EPA's records list 9 violations for this system; all are health-based, and the most recent began in April 2010. The violations listed here began between January 1999 and April 2010. By type: 9 contaminant level above the legal limit. The contaminant or rule involved most often is Arsenic (9 of them). EPA lists 9 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 |
|---|---|---|---|---|
| 2010-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2010-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2009-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2009-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2009-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2009-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2008-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2008-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 1999-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Arseniccode 1005 | Yes | Resolved |
All 9 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.
Hubbard Water Supply: frequently asked questions
Who runs Hubbard Water Supply?
Hubbard Water Supply (PWSID IA4254061) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Hubbard Water Supply serve?
Hubbard Water Supply reports serving 860 people through 403 service connections in Hardin County, Iowa.
Where does Hubbard 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 Hubbard Water Supply have any drinking water violations?
EPA's records list 9 violations for this system; all are health-based, and the most recent began in April 2010. 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 Hubbard 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 9 violations for this system; all are health-based, and the most recent began in April 2010. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Hubbard Water Supply's water quality report?
As a community water system, Hubbard 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 Hardin County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Iowa Falls Water Department | Hardin | 5,146 | Community | Groundwater |
| Eldora Water Supply | Hardin | 2,664 | Community | Groundwater |
| Ackley Municipal Water Works | Hardin | 1,599 | Community | Groundwater |
| Alden Water Supply | Hardin | 763 | Community | Groundwater |
| Radcliffe Municipal Water | Hardin | 561 | Community | Groundwater |
| Union Water Supply | Hardin | 399 | 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, “Hubbard Water Supply, PWSID IA4254061, Iowa”, https://aquacensus.com/water-systems/iowa/hubbard-water-supply-ia4254061 (data as of October 1, 2026).