Public water system · IN5241007
ActivePrinces Lake Water Department
At a glance
Princes Lake Water Department (PWSID IN5241007) is an active community water system in Johnson County, Indiana. It reports serving 4,095 people through 1,782 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, none is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,095
Service connections
1,782
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Princes Lake Water Department compare with other water systems in Johnson County?
By EPA's size categories, Princes Lake Water Department is a medium system (3,301 to 10,000 people). Johnson County has 33 active public water systems. Its population served is about 13% below the county average of 4,692 people per system, and accounts for 2.6% of the 154,825 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 Princes Lake Water Department is about 39% 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 Princes Lake Water Department?
EPA lists Princes Lake 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 33 active systems in Johnson County (18%) are also owned by a local government.
Does Princes Lake Water Department have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025. The violations listed here began between January 2002 and July 2025. By type: 10 monitoring and reporting and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Consumer Confidence Rule (2 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 |
|---|---|---|---|---|
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2018-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2009-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2005-02-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cyanidecode 1024 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chromiumcode 1020 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | 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.
Princes Lake Water Department: frequently asked questions
Who runs Princes Lake Water Department?
Princes Lake Water Department (PWSID IN5241007) is a community water system owned by a local government. It is regulated by the IN state drinking water program.
How many people does Princes Lake Water Department serve?
Princes Lake Water Department reports serving 4,095 people through 1,782 service connections in Johnson County, Indiana.
Where does Princes Lake 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 Princes Lake Water Department have any drinking water violations?
Of the 12 most recent violations in EPA's records, none 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 Princes Lake 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, none 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 Princes Lake Water Department's water quality report?
As a community water system, Princes Lake 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 Johnson County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Indiana American Water - Johnson County | Johnson | 86,813 | Community | Groundwater |
| Bargersville Water Department | Johnson | 34,418 | Community | Groundwater |
| Whiteland Water Works | Johnson | 5,955 | Community | Purchased groundwater |
| Camp Atterbury | Johnson | 5,300 | Community | Purchased groundwater |
| South Park Business Center | Johnson | 5,167 | Non-transient non-community | Purchased groundwater |
| Edinburgh Water Utility | Johnson | 4,480 | Community | 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, “Princes Lake Water Department, PWSID IN5241007, Indiana”, https://aquacensus.com/water-systems/indiana/princes-lake-water-department-in5241007 (data as of October 1, 2026).