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Public water system · IN5217006

Active

St. Joe Water Department

At a glance

St. Joe Water Department (PWSID IN5217006) is an active community water system in DeKalb County, Indiana. It reports serving 460 people through 175 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, 4 are health-based, and the most recent began in August 2025.

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

Population served

460

Service connections

175

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDIN5217006
System typeCommunity water system
Activity statusActive
Population served460
Service connections175
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyIN state drinking water program
City servedSt. Joe
StateIndiana
ZIP—
CountyDeKalb County

How does St. Joe Water Department compare with other water systems in DeKalb County?

By EPA's size categories, St. Joe Water Department is a very small system (500 people or fewer). DeKalb County has 50 active public water systems. Its population served is about 28% below the county average of 635 people per system, and accounts for 1.4% of the 31,731 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 St. Joe 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 St. Joe Water Department?

EPA lists St. Joe 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. 6 of the 50 active systems in DeKalb County (12%) are also owned by a local government.

Does St. Joe Water Department have drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in August 2025. The violations listed here began between October 2010 and August 2025. By type: 5 public notice, recordkeeping or other, 4 required treatment not met, 1 reporting, 1 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Consumer Confidence Rule (5 of them). EPA lists 11 as resolved 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2025-08-08Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2025-08-08Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesUnaddressed
2025-08-08Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2024-10-17ReportingLSL Reporting · code 4GLead and Copper Rule Revisionscode 5200NoResolved
2024-10-17Required treatment not metLSL Inventory · code 2ELead and Copper Rule Revisionscode 5200YesResolved
2024-10-10Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2024-01-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2022-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2018-09-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2014-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2013-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2010-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved

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.

St. Joe Water Department: frequently asked questions

Who runs St. Joe Water Department?

St. Joe Water Department (PWSID IN5217006) is a community water system owned by a local government. It is regulated by the IN state drinking water program.

How many people does St. Joe Water Department serve?

St. Joe Water Department reports serving 460 people through 175 service connections in DeKalb County, Indiana.

Where does St. Joe 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 St. Joe Water Department have any drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in August 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 St. Joe 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, 4 are health-based, and the most recent began in August 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 St. Joe Water Department's water quality report?

As a community water system, St. Joe 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 DeKalb County

Water systemCountyPopulation servedTypeSource
Auburn Water DepartmentDeKalb12,800CommunityGroundwater
Garrett Water UtilityDeKalb6,390CommunityGroundwater
Butler Water DepartmentDeKalb2,700CommunityGroundwater
Waterloo Water WorksDeKalb2,242CommunityGroundwater
Lakewood Park Baptist Church/SchoolDeKalb1,100Non-transient non-communityGroundwater
Steel DynamicsDeKalb1,000Non-transient non-communityGroundwater

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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, “St. Joe Water Department, PWSID IN5217006, Indiana”, https://aquacensus.com/water-systems/indiana/st-joe-water-department-in5217006 (data as of October 1, 2026).