Skip to content
AquaCensus

Public water system · KY0170528

Active

Caldwell County Water District

At a glance

Caldwell County Water District (PWSID KY0170528) is an active community water system in Caldwell County, Kentucky. It reports serving 6,000 people through 2,174 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, 9 are health-based, and the most recent began in April 2019.

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

Population served

6,000

Service connections

2,174

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDKY0170528
System typeCommunity water system
Activity statusActive
Population served6,000
Service connections2,174
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyKY state drinking water program
City served—
StateKentucky
ZIP—
CountyCaldwell County

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

By EPA's size categories, Caldwell County Water District is a medium system (3,301 to 10,000 people). Caldwell County has 3 active public water systems, and Caldwell County Water District is the 2nd-largest of them by population served. Its population served is about 28% above the county average of 4,682 people per system, and accounts for 43% of the 14,047 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 Caldwell County Water District is about 10% 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. 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 Caldwell County Water District?

EPA lists Caldwell 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. 2 of the 3 active systems in Caldwell County (67%) are also owned by a local government.

Does Caldwell County Water District have drinking water violations?

Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in April 2019. The violations listed here began between September 2005 and April 2019. By type: 9 contaminant level above the legal limit, 2 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Haloacetic acids (HAA5) (7 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
2019-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2019-01-18Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2019-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2018-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2016-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2016-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2015-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2015-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2014-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2012-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2012-07-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2005-09-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved

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.

Caldwell County Water District: frequently asked questions

Who runs Caldwell County Water District?

Caldwell County Water District (PWSID KY0170528) is a community water system owned by a local government. It is regulated by the KY state drinking water program.

How many people does Caldwell County Water District serve?

Caldwell County Water District reports serving 6,000 people through 2,174 service connections in Caldwell County, Kentucky.

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

Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in April 2019. 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 Caldwell 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, 9 are health-based, and the most recent began in April 2019. For current results, consult the system's annual water quality report, EPA ECHO, or the KY state drinking water program.

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

As a community water system, Caldwell 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 Caldwell County

Water systemCountyPopulation servedTypeSource
Princeton Water & Sewer CommissionCaldwell7,007CommunitySurface water
Fredonia Water DepartmentCaldwell1,040CommunityPurchased surface water

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, “Caldwell County Water District, PWSID KY0170528, Kentucky”, https://aquacensus.com/water-systems/kentucky/caldwell-county-water-district-ky0170528 (data as of October 1, 2026).