Public water system · AR0000227
ActiveOzan Waterworks
At a glance
Ozan Waterworks (PWSID AR0000227) is an active community water system in Hempstead County, Arkansas. It reports serving 425 people through 138 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in April 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
425
Service connections
138
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Ozan Waterworks compare with other water systems in Hempstead County?
By EPA's size categories, Ozan Waterworks is a very small system (500 people or fewer). Hempstead County has 10 active public water systems, and Ozan Waterworks is the 6th-largest of them by population served. Its population served is well below the county average of 1,809 people per system, and accounts for 2.3% of the 18,091 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 Ozan Waterworks 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 461 Arkansas systems (54%) list groundwater as their primary source.
Who owns and regulates Ozan Waterworks?
EPA lists Ozan Waterworks 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. 7 of the 10 active systems in Hempstead County (70%) are also owned by a local government.
Does Ozan Waterworks have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in April 2023. The violations listed here began between October 2005 and April 2023. By type: 4 public notice, recordkeeping or other, 3 monitoring and reporting, 2 monitoring, 1 required treatment not met, 1 reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Revised Total Coliform Rule (4 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2023-04-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2023-01-01 | Required treatment not metTreatment Technique No Certif. Operator · code 12 | Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400 | Yes | Resolved |
| 2020-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2019-08-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-03-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2016-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-10-01 | Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-04-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2015-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2015-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2005-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
The 12 most recent 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.
Ozan Waterworks: frequently asked questions
Who runs Ozan Waterworks?
Ozan Waterworks (PWSID AR0000227) is a community water system owned by a local government. It is regulated by the AR state drinking water program.
How many people does Ozan Waterworks serve?
Ozan Waterworks reports serving 425 people through 138 service connections in Hempstead County, Arkansas.
Where does Ozan Waterworks 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 Ozan Waterworks have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in April 2023. 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 Ozan Waterworks' 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. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in April 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the AR state drinking water program.
Where can I find Ozan Waterworks' water quality report?
As a community water system, Ozan Waterworks 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 Hempstead County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Hope Water Light Comm | Hempstead | 11,500 | Community | Surface water |
| Southwest Arkansas Water System | Hempstead | 2,335 | Community | Purchased surface water |
| Bodcaw Rural Water System | Hempstead + 1 more | 1,430 | Community | Purchased surface water |
| Ozan Creek Water System | Hempstead | 787 | Community | Purchased surface water |
| Emmet Waterworks | Hempstead + 1 more | 550 | Community | Groundwater |
| Blevins Waterworks | Hempstead | 383 | 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, “Ozan Waterworks, PWSID AR0000227, Arkansas”, https://aquacensus.com/water-systems/arkansas/ozan-waterworks-ar0000227 (data as of October 1, 2026).