Public water system · AR0000171
ActiveDumas Waterworks
At a glance
Dumas Waterworks (PWSID AR0000171) is an active community water system in Desha County, Arkansas. It reports serving 6,338 people through 2,798 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 7 violations for this system; 4 are health-based, and the most recent began in April 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
6,338
Service connections
2,798
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Dumas Waterworks compare with other water systems in Desha County?
By EPA's size categories, Dumas Waterworks is a medium system (3,301 to 10,000 people). Desha County has 11 active public water systems, and Dumas Waterworks is the largest of them by population served. Its population served is about 5.2 times the county average of 1,211 people per system, and accounts for 48% of the 13,321 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 Dumas Waterworks is roughly in line with 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 Dumas Waterworks?
EPA lists Dumas 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. 8 of the 11 active systems in Desha County (73%) are also owned by a local government.
Does Dumas Waterworks have drinking water violations?
EPA's records list 7 violations for this system; 4 are health-based, and the most recent began in April 2026. The violations listed here began between December 2002 and April 2026. By type: 3 contaminant level above the legal limit, 1 required treatment not met, 1 reporting, 1 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 4 as resolved and 3 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-04-30 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Unaddressed |
| 2026-04-30 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Unaddressed |
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2011-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2003-12-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2003-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2002-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 7 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.
Dumas Waterworks: frequently asked questions
Who runs Dumas Waterworks?
Dumas Waterworks (PWSID AR0000171) is a community water system owned by a local government. It is regulated by the AR state drinking water program.
How many people does Dumas Waterworks serve?
Dumas Waterworks reports serving 6,338 people through 2,798 service connections in Desha County, Arkansas.
Where does Dumas 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 Dumas Waterworks have any drinking water violations?
EPA's records list 7 violations for this system; 4 are health-based, and the most recent began in April 2026. 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 Dumas 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 7 violations for this system; 4 are health-based, and the most recent began in April 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the AR state drinking water program.
Where can I find Dumas Waterworks' water quality report?
As a community water system, Dumas 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 Desha County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Mc Gehee Waterworks | Desha | 3,849 | Community | Groundwater |
| Pendleton-Pea Ridge Water Assn | Desha | 845 | Community | Purchased groundwater |
| Kelso-Rohwer Water Association | Desha | 563 | Community | Groundwater |
| Arkansas City Waterworks | Desha | 360 | Community | Groundwater |
| Clearwater Paper Corporation | Desha | 339 | Non-transient non-community | Groundwater |
| Wkmm Rural Water Association | Desha | 310 | 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, “Dumas Waterworks, PWSID AR0000171, Arkansas”, https://aquacensus.com/water-systems/arkansas/dumas-waterworks-ar0000171 (data as of October 1, 2026).