Public water system · IN5287006

Active

Lynnville Water Works

At a glance

Lynnville Water Works (PWSID IN5287006) is an active community water system in Warrick County, Indiana. It reports serving 1,200 people through 480 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, 6 are health-based, and the most recent began in April 2025.

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

Population served

1,200

Service connections

480

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDIN5287006

System typeCommunity water system

Activity statusActive

Population served1,200

Service connections480

Primary water sourcePurchased surface water

Owner typeLocal government

Primacy agencyIN state drinking water program

City servedLynnville

StateIndiana

ZIP—

CountyWarrick County

How does Lynnville Water Works compare with other water systems in Warrick County?

By EPA's size categories, Lynnville Water Works is a small system (501 to 3,300 people). Warrick County has 10 active public water systems. Its population served is well below the county average of 6,389 people per system, and accounts for 1.9% of the 63,888 people reported by systems filed under the county. Across Indiana, the 3,969 active systems average 1,456 people each. Nationally, the average active community water system reports serving 6,703 people, so Lynnville Water Works 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. Indiana has 770 active community water systems, 19% of the state's 3,969 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 82 Indiana systems (2.1%) list purchased surface water as their primary source.

Who owns and regulates Lynnville Water Works?

EPA lists Lynnville Water Works as owned by a local government. The IN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 6 of the 10 active systems in Warrick County (60%) are also owned by a local government.

Does Lynnville Water Works have drinking water violations?

Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in April 2025. The violations listed here began between January 2016 and April 2025. By type: 5 contaminant level above the legal limit, 3 monitoring and reporting, 3 public notice, recordkeeping or other and 1 required treatment not met. The contaminant or rule involved most often is Haloacetic acids (HAA5) (6 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
2025-04-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Haloacetic acids (HAA5)code 2456	No	Resolved
2025-04-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	No	Resolved
2024-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2024-01-01	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2024-01-01	Required treatment not metOCCT/SOWT Study/Recommendation · code 57	Lead and Copper Rulecode 5000	Yes	Resolved
2024-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2023-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2021-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2017-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2016-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2016-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2016-01-01	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.

Lynnville Water Works: frequently asked questions

Who runs Lynnville Water Works?

Lynnville Water Works (PWSID IN5287006) is a community water system owned by a local government. It is regulated by the IN state drinking water program.

How many people does Lynnville Water Works serve?

Lynnville Water Works reports serving 1,200 people through 480 service connections in Warrick County, Indiana.

Where does Lynnville Water Works 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 Lynnville Water Works have any drinking water violations?

Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in April 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 Lynnville 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, 6 are health-based, and the most recent began in April 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the IN state drinking water program.

Where can I find Lynnville Water Works' water quality report?

As a community water system, Lynnville 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 Warrick County

Water system	County	Population served	Type	Source
Indiana American Water - Newburgh	Warrick	22,215	Community	Groundwater
Chandler Water Works Department	Warrick	20,120	Community	Groundwater
City of Boonville	Warrick	10,260	Community	Groundwater
Tennyson Water Utility	Warrick	4,158	Community	Purchased surface water
Elberfeld Water Department	Warrick	2,122	Community	Purchased surface water
Indiana American Water - Yankeetown	Warrick	1,838	Community	Purchased groundwater

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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, “Lynnville Water Works, PWSID IN5287006, Indiana”, https://aquacensus.com/water-systems/indiana/lynnville-water-works-in5287006 (data as of October 1, 2026).