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Public water system · IN5271008

Active

Lakeville Water Department

At a glance

Lakeville Water Department (PWSID IN5271008) is an active community water system in St. Joseph County, Indiana. It reports serving 750 people through 335 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, one is health-based, and the most recent began in July 2025.

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

Population served

750

Service connections

335

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDIN5271008
System typeCommunity water system
Activity statusActive
Population served750
Service connections335
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyIN state drinking water program
City servedLakeville
StateIndiana
ZIP—
CountySt. Joseph County

How does Lakeville Water Department compare with other water systems in St. Joseph County?

By EPA's size categories, Lakeville Water Department is a small system (501 to 3,300 people). St. Joseph County has 221 active public water systems. Its population served is about 24% below the county average of 989 people per system, and accounts for 0.3% of the 218,558 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 Lakeville Water Department 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 3,769 Indiana systems (95%) list groundwater as their primary source.

Who owns and regulates Lakeville Water Department?

EPA lists Lakeville Water Department 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. 21 of the 221 active systems in St. Joseph County (9.5%) are also owned by a local government.

Does Lakeville Water Department have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2025. The violations listed here began between October 1979 and July 2025. By type: 6 monitoring and reporting, 4 public notice, recordkeeping or other, 1 reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 8 as resolved, 3 as archived and 1 as unaddressed. 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. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2025-07-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoUnaddressed
2021-09-01ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2012-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2007-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2007-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2005-11-09Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2005-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2000-07-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
1998-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1992-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1989-06-29Public notice, recordkeeping or otherSanitary Survey (TCR) · code 28Not reportedNoArchived
1979-10-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoArchived

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.

Lakeville Water Department: frequently asked questions

Who runs Lakeville Water Department?

Lakeville Water Department (PWSID IN5271008) is a community water system owned by a local government. It is regulated by the IN state drinking water program.

How many people does Lakeville Water Department serve?

Lakeville Water Department reports serving 750 people through 335 service connections in St. Joseph County, Indiana.

Where does Lakeville Water Department 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 Lakeville Water Department have any drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 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 Lakeville Water Department'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, one is health-based, and the most recent began in July 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 Lakeville Water Department's water quality report?

As a community water system, Lakeville Water Department 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 St. Joseph County

Water systemCountyPopulation servedTypeSource
South Bend Water WorksSt. Joseph115,000CommunityGroundwater
Mishawaka UtilitiesSt. Joseph49,675CommunityGroundwater
University of Notre DameSt. Joseph7,400CommunityGroundwater
Walkerton Light & WaterSt. Joseph2,262CommunityGroundwater
Sisters of Holy Cross-St. Marys CollegeSt. Joseph2,111CommunityGroundwater
North Liberty Water WorksSt. Joseph1,896CommunityGroundwater

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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, “Lakeville Water Department, PWSID IN5271008, Indiana”, https://aquacensus.com/water-systems/indiana/lakeville-water-department-in5271008 (data as of October 1, 2026).