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Public water system · AR0000048

Active

Gentry Waterworks

At a glance

Gentry Waterworks (PWSID AR0000048) is an active community water system in Benton County, Arkansas. It reports serving 7,910 people through 3,288 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; all are health-based, and the most recent began in April 2016.

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

Population served

7,910

Service connections

3,288

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDAR0000048
System typeCommunity water system
Activity statusActive
Population served7,910
Service connections3,288
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyAR state drinking water program
City served—
StateArkansas
ZIP—
CountyBenton County

How does Gentry Waterworks compare with other water systems in Benton County?

By EPA's size categories, Gentry Waterworks is a medium system (3,301 to 10,000 people). Benton County has 35 active public water systems. Its population served is roughly in line with the county average of 7,915 people per system, and accounts for 2.9% of the 277,037 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 Gentry Waterworks is about 18% above 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 Gentry Waterworks?

EPA lists Gentry 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. 24 of the 35 active systems in Benton County (69%) are also owned by a local government.

Does Gentry Waterworks have drinking water violations?

EPA's records list 4 violations for this system; all are health-based, and the most recent began in April 2016. The violations listed here began between October 2015 and April 2016. By type: 4 contaminant level above the legal limit. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (4 of them). EPA lists 3 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.

BeganViolationContaminant or ruleHealth-basedStatus
2016-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2016-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesArchived
2016-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2015-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved

All 4 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.

Gentry Waterworks: frequently asked questions

Who runs Gentry Waterworks?

Gentry Waterworks (PWSID AR0000048) is a community water system owned by a local government. It is regulated by the AR state drinking water program.

How many people does Gentry Waterworks serve?

Gentry Waterworks reports serving 7,910 people through 3,288 service connections in Benton County, Arkansas.

Where does Gentry 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 Gentry Waterworks have any drinking water violations?

EPA's records list 4 violations for this system; all are health-based, and the most recent began in April 2016. 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 Gentry 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 4 violations for this system; all are health-based, and the most recent began in April 2016. For current results, consult the system's annual water quality report, EPA ECHO, or the AR state drinking water program.

Where can I find Gentry Waterworks' water quality report?

As a community water system, Gentry 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 Benton County

Water systemCountyPopulation servedTypeSource
Rogers Water UtilitiesBenton81,443CommunityPurchased surface water
Bentonville Water UtilitiesBenton51,250CommunityPurchased surface water
Bella Vista PoaBenton39,419CommunityPurchased surface water
Centerton WaterworksBenton27,243CommunityPurchased surface water
Siloam Springs WaterworksBenton21,430CommunitySurface water
Pea Ridge WaterworksBenton12,795CommunityPurchased 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, “Gentry Waterworks, PWSID AR0000048, Arkansas”, https://aquacensus.com/water-systems/arkansas/gentry-waterworks-ar0000048 (data as of October 1, 2026).