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Public water system · KY1130433

Active

Union County Water District

At a glance

Union County Water District (PWSID KY1130433) is an active community water system in Union County, Kentucky. It reports serving 6,117 people through 2,138 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, 12 are health-based, and the most recent began in January 2026.

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

Population served

6,117

Service connections

2,138

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDKY1130433
System typeCommunity water system
Activity statusActive
Population served6,117
Service connections2,138
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyKY state drinking water program
City served—
StateKentucky
ZIP—
CountyUnion County

How does Union County Water District compare with other water systems in Union County?

By EPA's size categories, Union County Water District is a medium system (3,301 to 10,000 people). Union County has 4 active public water systems, and Union County Water District is the largest of them by population served. Its population served is about 50% above the county average of 4,068 people per system, and accounts for 38% of the 16,273 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 Union County Water District is roughly in line with 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 167 Kentucky systems (38%) list purchased surface water as their primary source.

Who owns and regulates Union County Water District?

EPA lists Union County Water District 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 4 active systems in Union County (100%) are also owned by a local government.

Does Union County Water District have drinking water violations?

Of the 12 most recent violations in EPA's records, 12 are health-based, and the most recent began in January 2026. The violations listed here began between January 2024 and January 2026. By type: 12 contaminant level above the legal limit. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (9 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
2026-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesArchived
2026-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesArchived
2025-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesArchived
2025-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesArchived
2025-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesArchived
2025-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesArchived
2025-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesArchived
2025-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesArchived
2024-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesArchived
2024-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesArchived
2024-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesArchived
2024-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesArchived

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.

Union County Water District: frequently asked questions

Who runs Union County Water District?

Union County Water District (PWSID KY1130433) is a community water system owned by a local government. It is regulated by the KY state drinking water program.

How many people does Union County Water District serve?

Union County Water District reports serving 6,117 people through 2,138 service connections in Union County, Kentucky.

Where does Union County Water District 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 Union County Water District have any drinking water violations?

Of the 12 most recent violations in EPA's records, 12 are health-based, and the most recent began in January 2026. 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 Union County Water District'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, 12 are health-based, and the most recent began in January 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the KY state drinking water program.

Where can I find Union County Water District's water quality report?

As a community water system, Union County Water District 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 Union County

Water systemCountyPopulation servedTypeSource
Morganfield Water WorksUnion5,170CommunitySurface water
Sturgis Water WorksUnion3,490CommunityPurchased surface water
Uniontown Water & Sewer DeptUnion1,496CommunityPurchased 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, “Union County Water District, PWSID KY1130433, Kentucky”, https://aquacensus.com/water-systems/kentucky/union-county-water-district-ky1130433 (data as of October 1, 2026).