Skip to content
AquaCensus

Public water system · AR0000010

Active

Humphrey Waterworks

At a glance

Humphrey Waterworks (PWSID AR0000010) is an active community water system in Arkansas County, Arkansas. It reports serving 602 people through 238 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in October 2025.

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

Population served

602

Service connections

238

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDAR0000010
System typeCommunity water system
Activity statusActive
Population served602
Service connections238
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyAR state drinking water program
City served—
StateArkansas
ZIP—
CountyArkansas County

How does Humphrey Waterworks compare with other water systems in Arkansas County?

By EPA's size categories, Humphrey Waterworks is a small system (501 to 3,300 people). Arkansas County has 10 active public water systems, and Humphrey Waterworks is the 6th-largest of them by population served. Its population served is well below the county average of 2,873 people per system, and accounts for 2.1% of the 28,731 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 Humphrey 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 Humphrey Waterworks?

EPA lists Humphrey 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. 9 of the 10 active systems in Arkansas County (90%) are also owned by a local government.

Does Humphrey Waterworks have drinking water violations?

Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in October 2025. The violations listed here began between September 2022 and October 2025. By type: 5 required treatment not met, 3 monitoring, 3 public notice, recordkeeping or other and 1 reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (4 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.

BeganViolationContaminant or ruleHealth-basedStatus
2025-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2024-08-01Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2024-03-01Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2023-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2022-12-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2022-12-01Required treatment not metTreatment Technique No Certif. Operator · code 12Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400YesResolved
2022-12-01Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2022-11-01Required treatment not metTreatment Technique No Certif. Operator · code 12Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400YesResolved
2022-11-01Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2022-10-01Required treatment not metTreatment Technique No Certif. Operator · code 12Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400YesResolved
2022-10-01ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2022-09-01Required treatment not metTreatment Technique No Certif. Operator · code 12Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400YesResolved

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.

Humphrey Waterworks: frequently asked questions

Who runs Humphrey Waterworks?

Humphrey Waterworks (PWSID AR0000010) is a community water system owned by a local government. It is regulated by the AR state drinking water program.

How many people does Humphrey Waterworks serve?

Humphrey Waterworks reports serving 602 people through 238 service connections in Arkansas County, Arkansas.

Where does Humphrey 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 Humphrey Waterworks have any drinking water violations?

Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in October 2025. 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 Humphrey 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, 5 are health-based, and the most recent began in October 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the AR state drinking water program.

Where can I find Humphrey Waterworks' water quality report?

As a community water system, Humphrey 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 Arkansas County

Water systemCountyPopulation servedTypeSource
Grand Prairie Regional WaterArkansas15,204CommunityGroundwater
Stuttgart WaterworksArkansas7,393CommunityGroundwater
Dewitt WaterworksArkansas3,208CommunityGroundwater
Gillett Water DeptArkansas655CommunityGroundwater
Northeast Dewitt Water AssocArkansas610CommunityPurchased groundwater
Almyra WaterworksArkansas349CommunityGroundwater

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Humphrey Waterworks, PWSID AR0000010, Arkansas”, https://aquacensus.com/water-systems/arkansas/humphrey-waterworks-ar0000010 (data as of October 1, 2026).