Public water system · KY0870298

Active

Mt Sterling Water Works

At a glance

Mt Sterling Water Works (PWSID KY0870298) is an active community water system in Montgomery County, Kentucky. It reports serving 16,391 people through 6,331 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, 8 are health-based, and the most recent began in April 2023.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

16,391

Service connections

6,331

Primary source

Surface water

System type

CWS

Community water system

System record

PWSIDKY0870298

System typeCommunity water system

Activity statusActive

Population served16,391

Service connections6,331

Primary water sourceSurface water

Owner typeLocal government

Primacy agencyKY state drinking water program

City served—

StateKentucky

ZIP—

CountyMontgomery County

How does Mt Sterling Water Works compare with other water systems in Montgomery County?

By EPA's size categories, Mt Sterling Water Works is a large system (10,001 to 100,000 people). Montgomery County has 7 active public water systems, and Mt Sterling Water Works is the 2nd-largest of them by population served. Its population served is about 48% above the county average of 11,090 people per system, and accounts for 21% of the 77,633 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 Mt Sterling Water Works is about 145% above 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 135 Kentucky systems (31%) list surface water as their primary source.

Who owns and regulates Mt Sterling Water Works?

EPA lists Mt Sterling Water Works 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 Montgomery County (57%) are also owned by a local government.

Does Mt Sterling Water Works have drinking water violations?

Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in April 2023. The violations listed here began between July 2006 and April 2023. By type: 8 contaminant level above the legal limit, 3 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Haloacetic acids (HAA5) (9 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.

Began	Violation	Contaminant or rule	Health-based	Status
2023-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2023-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2013-10-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	No	Resolved
2013-10-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Haloacetic acids (HAA5)code 2456	No	Resolved
2010-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2008-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2008-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2008-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2007-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2007-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2006-10-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	No	Resolved
2006-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved

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.

Mt Sterling Water Works: frequently asked questions

Who runs Mt Sterling Water Works?

Mt Sterling Water Works (PWSID KY0870298) is a community water system owned by a local government. It is regulated by the KY state drinking water program.

How many people does Mt Sterling Water Works serve?

Mt Sterling Water Works reports serving 16,391 people through 6,331 service connections in Montgomery County, Kentucky.

Where does Mt Sterling Water Works 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 Mt Sterling Water Works have any drinking water violations?

Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in April 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 Mt Sterling Water Works' 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, 8 are health-based, and the most recent began in April 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 Mt Sterling Water Works' water quality report?

As a community water system, Mt Sterling Water Works 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 Montgomery County

Water system	County	Population served	Type	Source
Fort Campbell Water System	Montgomery	43,270	Community	Surface water
Judy Water Association	Montgomery	5,539	Community	Purchased surface water
Jeffersonville Water System	Montgomery	5,335	Community	Purchased surface water
Reid Village Water District	Montgomery	2,545	Community	Purchased surface water
Levee Rd Water Association Inc.	Montgomery	2,471	Community	Purchased surface water
Montgomery Co Water District #1	Montgomery	2,082	Community	Purchased 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, “Mt Sterling Water Works, PWSID KY0870298, Kentucky”, https://aquacensus.com/water-systems/kentucky/mt-sterling-water-works-ky0870298 (data as of October 1, 2026).