Public water system · AR0000475
ActiveReyno Waterworks
At a glance
Reyno Waterworks (PWSID AR0000475) is an active community water system in Randolph County, Arkansas. It reports serving 437 people through 176 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; 4 are health-based, and the most recent began in September 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
437
Service connections
176
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Reyno Waterworks compare with other water systems in Randolph County?
By EPA's size categories, Reyno Waterworks is a very small system (500 people or fewer). Randolph County has 9 active public water systems, and Reyno Waterworks is the 2nd-largest of them by population served. Its population served is about 59% below the county average of 1,060 people per system, and accounts for 4.6% of the 9,542 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 Reyno 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 Reyno Waterworks?
EPA lists Reyno 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 9 active systems in Randolph County (78%) are also owned by a local government.
Does Reyno Waterworks have drinking water violations?
EPA's records list 6 violations for this system; 4 are health-based, and the most recent began in September 2025. The violations listed here began between June 1994 and September 2025. By type: 4 contaminant level above the legal limit, 1 reporting and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 5 as resolved and 1 as archived. 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. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-09-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2015-02-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2006-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2000-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1994-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
All 6 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.
Reyno Waterworks: frequently asked questions
Who runs Reyno Waterworks?
Reyno Waterworks (PWSID AR0000475) is a community water system owned by a local government. It is regulated by the AR state drinking water program.
How many people does Reyno Waterworks serve?
Reyno Waterworks reports serving 437 people through 176 service connections in Randolph County, Arkansas.
Where does Reyno 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 Reyno Waterworks have any drinking water violations?
EPA's records list 6 violations for this system; 4 are health-based, and the most recent began in September 2025. 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 Reyno 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. EPA's records list 6 violations for this system; 4 are health-based, and the most recent began in September 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the AR state drinking water program.
Where can I find Reyno Waterworks' water quality report?
As a community water system, Reyno 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 Randolph County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Pocahontas Waterworks | Randolph | 7,752 | Community | Surface water |
| Biggers Waterworks | Randolph | 404 | Community | Groundwater |
| Maynard Waterworks | Randolph | 375 | Community | Groundwater |
| O Kean Waterworks | Randolph | 230 | Community | Purchased groundwater |
| Supply Country Store | Randolph | 150 | Transient non-community | Groundwater |
| Ravenden Springs Waterworks | Randolph | 139 | 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, “Reyno Waterworks, PWSID AR0000475, Arkansas”, https://aquacensus.com/water-systems/arkansas/reyno-waterworks-ar0000475 (data as of October 1, 2026).