Public water system · AR0000558
ActiveOak Manor Water Association
At a glance
Oak Manor Water Association (PWSID AR0000558) is an active community water system in Union County, Arkansas. It reports serving 338 people through 139 service connections. Its primary water source is purchased groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2012.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
338
Service connections
139
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Oak Manor Water Association compare with other water systems in Union County?
By EPA's size categories, Oak Manor Water Association is a very small system (500 people or fewer). Union County has 25 active public water systems. Its population served is well below the county average of 1,582 people per system, and accounts for 0.9% of the 39,541 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 Oak Manor Water Association 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. 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 Oak Manor Water Association?
EPA lists Oak Manor Water Association as privately owned. 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. 12 of the 25 active systems in Union County (48%) are also privately owned.
Does Oak Manor Water Association have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2012. The violations listed here began between February 1990 and July 2012. By type: 3 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 3 as archived and 1 as resolved. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. 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 |
|---|---|---|---|---|
| 2012-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1993-12-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1993-12-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1990-02-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Total coliform bacteria (pre-TCR)code 3000 | No | Archived |
All 4 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.
Oak Manor Water Association: frequently asked questions
Who runs Oak Manor Water Association?
Oak Manor Water Association (PWSID AR0000558) is a community water system privately owned. It is regulated by the AR state drinking water program.
How many people does Oak Manor Water Association serve?
Oak Manor Water Association reports serving 338 people through 139 service connections in Union County, Arkansas.
Where does Oak Manor 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 Oak Manor Water Association have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 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 Oak Manor 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 4 violations for this system; none is health-based, and the most recent began in July 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 Oak Manor Water Association's water quality report?
As a community water system, Oak Manor 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 Union County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| El Dorado Waterworks | Union | 17,932 | Community | Groundwater |
| Smackover Waterworks | Union | 2,821 | Community | Groundwater |
| Parkers Chapel Public Water | Union | 2,391 | Community | Groundwater |
| Wildwood Water Association | Union | 1,350 | Community | Groundwater |
| Faircrest Water Association | Union | 1,329 | Community | Groundwater |
| Old Union Public Water Authority | Union | 1,200 | 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, “Oak Manor Water Association, PWSID AR0000558, Arkansas”, https://aquacensus.com/water-systems/arkansas/oak-manor-water-association-ar0000558 (data as of October 1, 2026).