Public water system · AR0000225
ActiveMarmaduke Waterworks
At a glance
Marmaduke Waterworks (PWSID AR0000225) is an active community water system in Greene County, Arkansas. It reports serving 1,410 people through 558 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; 2 are health-based, and the most recent began in December 2010.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,410
Service connections
558
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Marmaduke Waterworks compare with other water systems in Greene County?
By EPA's size categories, Marmaduke Waterworks is a small system (501 to 3,300 people). Greene County has 4 active public water systems, and Marmaduke Waterworks is the 3rd-largest of them by population served. Its population served is well below the county average of 9,969 people per system, and accounts for 3.5% of the 39,876 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 Marmaduke 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 Marmaduke Waterworks?
EPA lists Marmaduke 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. 4 of the 4 active systems in Greene County (100%) are also owned by a local government.
Does Marmaduke Waterworks have drinking water violations?
EPA's records list 10 violations for this system; 2 are health-based, and the most recent began in December 2010. The violations listed here began between December 1995 and December 2010. By type: 6 monitoring and reporting, 2 public notice, recordkeeping or other and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (9 of them). EPA lists 8 as resolved and 2 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 |
|---|---|---|---|---|
| 2010-12-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2004-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2002-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2002-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2002-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2001-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2001-10-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2000-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1995-12-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1995-12-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 10 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.
Marmaduke Waterworks: frequently asked questions
Who runs Marmaduke Waterworks?
Marmaduke Waterworks (PWSID AR0000225) is a community water system owned by a local government. It is regulated by the AR state drinking water program.
How many people does Marmaduke Waterworks serve?
Marmaduke Waterworks reports serving 1,410 people through 558 service connections in Greene County, Arkansas.
Where does Marmaduke 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 Marmaduke Waterworks have any drinking water violations?
EPA's records list 10 violations for this system; 2 are health-based, and the most recent began in December 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 Marmaduke 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 10 violations for this system; 2 are health-based, and the most recent began in December 2010. For current results, consult the system's annual water quality report, EPA ECHO, or the AR state drinking water program.
Where can I find Marmaduke Waterworks' water quality report?
As a community water system, Marmaduke 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 Greene County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Paragould Municipal Utilities | Greene | 31,188 | Community | Groundwater |
| Western Greene County R W D | Greene | 7,095 | Community | Groundwater |
| Delaplaine Waterworks | Greene | 183 | Community | Purchased 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, “Marmaduke Waterworks, PWSID AR0000225, Arkansas”, https://aquacensus.com/water-systems/arkansas/marmaduke-waterworks-ar0000225 (data as of October 1, 2026).