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AquaCensus

Public water system · AR0000803

Active

Madison Co Regional Water

At a glance

Madison Co Regional Water (PWSID AR0000803) is an active community water system serving Benton, Carroll and Madison counties, Arkansas. It reports serving 4 people through 14 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in August 2023.

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

Population served

4

Service connections

14

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDAR0000803
System typeCommunity water system
Activity statusActive
Population served4
Service connections14
Primary water sourceSurface water
Owner typeLocal government
Primacy agencyAR state drinking water program
City served—
StateArkansas
ZIP—
Counties servedBenton, Carroll, Madison

How does Madison Co Regional Water compare with other water systems in Arkansas?

By EPA's size categories, Madison Co Regional Water is a very small system (500 people or fewer). Across Arkansas, the 853 active systems average 3,592 people each. Nationally, the average active community water system reports serving 6,703 people, so Madison Co Regional Water 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 75 Arkansas systems (8.8%) list surface water as their primary source.

Who owns and regulates Madison Co Regional Water?

EPA lists Madison Co Regional Water 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.

Does Madison Co Regional Water have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in August 2023. The violations listed here began between September 2022 and August 2023. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Interim Enhanced Surface Water Treatment Rule (12 of them). EPA lists 12 as archived. 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
2023-08-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoArchived
2023-07-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoArchived
2023-06-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoArchived
2023-05-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoArchived
2023-04-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoArchived
2023-03-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoArchived
2023-02-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoArchived
2023-01-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoArchived
2022-12-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoArchived
2022-11-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoArchived
2022-10-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoArchived
2022-09-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoArchived

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.

Madison Co Regional Water: frequently asked questions

Who runs Madison Co Regional Water?

Madison Co Regional Water (PWSID AR0000803) is a community water system owned by a local government. It is regulated by the AR state drinking water program.

How many people does Madison Co Regional Water serve?

Madison Co Regional Water reports serving 4 people through 14 service connections in Benton, Carroll and Madison counties, Arkansas.

Where does Madison Co Regional Water get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does Madison Co Regional Water have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in August 2023. 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 Madison Co Regional Water's 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, none is health-based, and the most recent began in August 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the AR state drinking water program.

Where can I find Madison Co Regional Water's water quality report?

As a community water system, Madison Co Regional Water 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(the first county EPA lists for this system)

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, “Madison Co Regional Water, PWSID AR0000803, Arkansas”, https://aquacensus.com/water-systems/arkansas/madison-co-regional-water-ar0000803 (data as of October 1, 2026).