Public water system · AR0000191

Active

Greenbrier Waterworks

At a glance

Greenbrier Waterworks (PWSID AR0000191) is an active community water system in Faulkner County, Arkansas. It reports serving 12,938 people through 5,175 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 11 are health-based, and the most recent began in September 2024.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

12,938

Service connections

5,175

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDAR0000191

System typeCommunity water system

Activity statusActive

Population served12,938

Service connections5,175

Primary water sourcePurchased surface water

Owner typeLocal government

Primacy agencyAR state drinking water program

City served—

StateArkansas

ZIP—

CountyFaulkner County

How does Greenbrier Waterworks compare with other water systems in Faulkner County?

By EPA's size categories, Greenbrier Waterworks is a large system (10,001 to 100,000 people). Faulkner County has 9 active public water systems, and Greenbrier Waterworks is the 3rd-largest of them by population served. Its population served is roughly in line with the county average of 13,425 people per system, and accounts for 11% of the 120,829 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 Greenbrier Waterworks is about twice 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 surface water means the system buys surface water from another public water system rather than drawing its own. 237 Arkansas systems (28%) list purchased surface water as their primary source.

Who owns and regulates Greenbrier Waterworks?

EPA lists Greenbrier 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 Faulkner County (78%) are also owned by a local government.

Does Greenbrier Waterworks have drinking water violations?

Of the 12 most recent violations in EPA's records, 11 are health-based, and the most recent began in September 2024. The violations listed here began between October 2008 and September 2024. By type: 11 contaminant level above the legal limit and 1 monitoring. The contaminant or rule involved most often is Haloacetic acids (HAA5) (8 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
2024-09-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2012-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2012-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Total trihalomethanes (TTHM)code 2950	Yes	Resolved
2011-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Total trihalomethanes (TTHM)code 2950	Yes	Resolved
2011-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2011-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Total trihalomethanes (TTHM)code 2950	Yes	Resolved
2011-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2010-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2010-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2010-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2009-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2008-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	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.

Greenbrier Waterworks: frequently asked questions

Who runs Greenbrier Waterworks?

Greenbrier Waterworks (PWSID AR0000191) is a community water system owned by a local government. It is regulated by the AR state drinking water program.

How many people does Greenbrier Waterworks serve?

Greenbrier Waterworks reports serving 12,938 people through 5,175 service connections in Faulkner County, Arkansas.

Where does Greenbrier Waterworks get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does Greenbrier Waterworks have any drinking water violations?

Of the 12 most recent violations in EPA's records, 11 are health-based, and the most recent began in September 2024. 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 Greenbrier 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, 11 are health-based, and the most recent began in September 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the AR state drinking water program.

Where can I find Greenbrier Waterworks' water quality report?

As a community water system, Greenbrier 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 Faulkner County

Water system	County	Population served	Type	Source
Conway Water System	Faulkner	64,008	Community	Surface water
Vilonia Waterworks	Faulkner	24,690	Community	Purchased surface water
Mayflower Waterworks	Faulkner	7,390	Community	Purchased surface water
Wooster Waterworks	Faulkner	5,000	Community	Purchased surface water
Beaverfork Pwa	Faulkner	4,220	Community	Purchased surface water
Guy Waterworks	Faulkner	2,438	Community	Purchased surface water

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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, “Greenbrier Waterworks, PWSID AR0000191, Arkansas”, https://aquacensus.com/water-systems/arkansas/greenbrier-waterworks-ar0000191 (data as of October 1, 2026).