Public water system · AR0000273
ActiveHardin Water Association
At a glance
Hardin Water Association (PWSID AR0000273) is an active community water system in Jefferson County, Arkansas. It reports serving 4,600 people through 1,923 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in May 2012.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,600
Service connections
1,923
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Hardin Water Association compare with other water systems in Jefferson County?
By EPA's size categories, Hardin Water Association is a medium system (3,301 to 10,000 people). Jefferson County has 12 active public water systems, and Hardin Water Association is the 3rd-largest of them by population served. Its population served is about 16% below the county average of 5,499 people per system, and accounts for 7% of the 65,986 people reported by systems filed under the county. Across Arkansas, the 853 active systems average 3,592 people each. Nationally, the average active community water system reports serving 6,703 people, so Hardin Water Association is about 31% 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. Arkansas has 660 active community water systems, 77% of the state's 853 active systems. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 69 Arkansas systems (8.1%) list purchased groundwater as their primary source.
Who owns and regulates Hardin Water Association?
EPA lists Hardin Water Association as owned by a local government. The AR 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 12 active systems in Jefferson County (67%) are also owned by a local government.
Does Hardin Water Association have drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in May 2012. The violations listed here began between July 2005 and May 2012. By type: 1 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminants or rules involved are Total coliform bacteria (TCR) and Consumer Confidence Rule. 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 |
|---|---|---|---|---|
| 2012-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2005-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | 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.
Hardin Water Association: frequently asked questions
Who runs Hardin Water Association?
Hardin Water Association (PWSID AR0000273) is a community water system owned by a local government. It is regulated by the AR state drinking water program.
How many people does Hardin Water Association serve?
Hardin Water Association reports serving 4,600 people through 1,923 service connections in Jefferson County, Arkansas.
Where does Hardin Water Association 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 Hardin Water Association have any drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in May 2012. 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 Hardin Water Association'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; 1 is health-based, and the most recent began in May 2012. For current results, consult the system's annual water quality report, EPA ECHO, or the AR state drinking water program.
Where can I find Hardin Water Association's water quality report?
As a community water system, Hardin Water Association 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 Jefferson County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Liberty Utilities | Jefferson | 43,438 | Community | Groundwater |
| Watson Chapel Water Assoc | Jefferson | 5,590 | Community | Groundwater |
| Redfield Waterworks | Jefferson | 2,823 | Community | Groundwater |
| Jefferson Public Water Authority | Jefferson | 2,551 | Community | Groundwater |
| Adc - Tucker Unit Maint | Jefferson | 2,000 | Community | Groundwater |
| Ladd Water Association | Jefferson | 1,773 | 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, “Hardin Water Association, PWSID AR0000273, Arkansas”, https://aquacensus.com/water-systems/arkansas/hardin-water-association-ar0000273 (data as of October 1, 2026).