Skip to content
AquaCensus

Public water system · KY0040020

Active

Barlow Water System

At a glance

Barlow Water System (PWSID KY0040020) is an active community water system in Ballard County, Kentucky. It reports serving 1,040 people through 327 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, none is health-based, and the most recent began in July 2023.

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

Population served

1,040

Service connections

327

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDKY0040020
System typeCommunity water system
Activity statusActive
Population served1,040
Service connections327
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyKY state drinking water program
City served—
StateKentucky
ZIP—
CountyBallard County

How does Barlow Water System compare with other water systems in Ballard County?

By EPA's size categories, Barlow Water System is a small system (501 to 3,300 people). Ballard County has 7 active public water systems, and Barlow Water System is the 4th-largest of them by population served. Its population served is about 24% above the county average of 837 people per system, and accounts for 18% of the 5,862 people reported by systems filed under the county. Across Kentucky, the 437 active systems average 11,699 people each. Nationally, the average active community water system reports serving 6,703 people, so Barlow Water System 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. Kentucky has 371 active community water systems, 85% of the state's 437 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 111 Kentucky systems (25%) list groundwater as their primary source.

Who owns and regulates Barlow Water System?

EPA lists Barlow Water System as owned by a local government. The KY state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 4 of the 7 active systems in Ballard County (57%) are also owned by a local government.

Does Barlow Water System have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2023. The violations listed here began between January 2023 and July 2023. By type: 12 monitoring and reporting. The contaminants or rules involved are Haloacetic acids (HAA5), Total trihalomethanes (TTHM), Antimony and Thallium. 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
2023-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2023-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Antimonycode 1074NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Thalliumcode 1085NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Bariumcode 1010NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Berylliumcode 1075NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Mercurycode 1035NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Nickelcode 1036NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Cyanidecode 1024NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Chromiumcode 1020NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Fluoridecode 1025NoResolved

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.

Barlow Water System: frequently asked questions

Who runs Barlow Water System?

Barlow Water System (PWSID KY0040020) is a community water system owned by a local government. It is regulated by the KY state drinking water program.

How many people does Barlow Water System serve?

Barlow Water System reports serving 1,040 people through 327 service connections in Ballard County, Kentucky.

Where does Barlow Water System 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 Barlow Water System 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 July 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 Barlow Water System'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 July 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the KY state drinking water program.

Where can I find Barlow Water System's water quality report?

As a community water system, Barlow Water System 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 Ballard County

Water systemCountyPopulation servedTypeSource
Kevil Water DepartmentBallard1,782CommunityGroundwater
Lacenter Municipal Water CoBallard1,291CommunityGroundwater
Wickliffe Municipal Water SystemBallard1,264CommunityGroundwater
Dollar General LovelacevilleBallard300Transient non-communityGroundwater
Lifeline Recovery CenterBallard160Transient non-communityGroundwater
Danielle Orenish RestaurantBallard25Transient non-communityGroundwater

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, “Barlow Water System, PWSID KY0040020, Kentucky”, https://aquacensus.com/water-systems/kentucky/barlow-water-system-ky0040020 (data as of October 1, 2026).